Lunar ISRU 2019

Developing a New Space Economy Through Lunar Resources and Their Utilization

July 15-17, 2019

Columbia, Maryland

 

Program and Abstracts

 

Monday, July 15, 2019

8:30 a.m.

USRA Conference Center

Introduction and Updates

1:15 p.m.

USRA Conference Center

Marketing of Resources

5:00 p.m.

USRA Education Gallery

Poster Session:  Characterization of Resources

5:00 p.m.

USRA Education Gallery

Poster Session:  Identification of Resources

5:00 p.m.

USRA Education Gallery

Poster Session:  Marketing of Resources

 

Tuesday, July 16, 2019

8:15 a.m.

USRA Conference Center

Identification of Resources

1:15 p.m.

USRA Conference Center

Characterization of Resources

5:00 p.m.

USRA Education Gallery

Poster Session:  Extraction of Resources

5:00 p.m.

USRA Education Gallery

Poster Session:  Processing of Resources

 

Wednesday, July 17, 2019

8:15 a.m.

USRA Conference Center

Extraction of Resources

1:15 p.m.

USRA Conference Center

Processing of Resources

 

Print Only

 

 

Characterization of Resources

 

 

Extraction of Resources

 

 

Identification of Resources

 

 

Marketing of Resources

 

 

Processing of Resources

 

 

Monday, July 15, 2019

INTRODUCTION AND UPDATES

8:30 a.m.   USRA Conference Center

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Times

Authors (*Denotes Presenter)

Abstract Title and Summary

8:30 a.m.

Neal C. *

Introduction and Workshop Logistics

8:40 a.m.

TBD *

NASA — Going Forward to the Moon

9:00 a.m.

Picard M. *

Canadian Space Agency Presentation

9:20 a.m.

Makaya A. *

European Space Agency

9:40 a.m.

Martin G. *   Lamboray B.

The Luxembourg Perspective on ISRU and the Development of a Commercial Space Ecosystem Presentation

9:55 a.m.

Suzuki N. *

NASA — ISRU Perspective

10:15 a.m.

Acierno K. *

iSpace and Lunar Resources

10:30 a.m.

 

Break

10:45 a.m.

Moderator:  Sowers G.

Panelist:  Barnhard G.   Kelsey L.   Blair B.

Panel:  Commercial Lunar Propellant Architecture Study

Sower - Presentation; Blair - Presentation

12:00 p.m.

 

Lunch

 

Monday, July 15, 2019

MARKETING OF RESOURCES

1:15 p.m.   USRA Conference Center

Chair:  Alex MacDonald

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Times

Authors (*Denotes Presenter)

Abstract Title and Summary

1:15 p.m.

MacDonald A. *

What are ‘Markets’ for Lunar Resources?

1:25 p.m.

Christensen C. *

Lunar ISRU Markets Within Broader Economic Context

1:40 p.m.

Marquez P. *

Space Resource Markets and Lessons Learned Presentation

1:55 p.m.

Jones C. *

Exploration Architectures and Lunar ISRU Presentation

2:10 p.m.

Chen H.   Sarton du Jonchay T.   Hou L.   Ho K. *

Integrated Analysis Framework for Space Propellant Logistics:  Production, Storage, and Transportation [#5003]
Our research proposes an integrated ISRU evaluation framework through the network-based space logistics architecture and analyzes the performance of ISRU by considering plant deployment, regular production operations, and propellant storage.

2:15 p.m.

Gelino N. J. *   Buckles B. C.   Mueller R. P.

Construction of Infrastructure is the Key to Establishing a Cislunar Economy [#5072] Presentation
Government funded infrastructure in Cislunar space and on the lunar surface will be pivotal in establishing a Cislunar economy. Government, industry, and academia must define the highest return on investment areas for government funded infrastructure and develop it.

2:20 p.m.

Blair B. R. *

Emerging Markets for Lunar Resources [#5046] Presentation
Recent movements in commercial space investment have inspired quantitative market models for lunar propellant and related commodities on the lunar surface, Earth-Moon Lagrange points, in lunar orbit, and in high-traffic inclinations of Earth orbit.

2:25 p.m.

Bienhoff D. G. *

Markets for Lunar ISRU Products and Their Value [#5018] Presentation
Lunar ISRU products and their value as a function of use location for CSDC’s architecture is discussed. A high early value is critical to in situ resource development. Value as a function of launch cost is another hurdle that must be overcome.

2:30 p.m.

 

Discussion:  Markets for Lunar Resources

3:00 p.m.

 

Break

3:15 p.m.

Meurisse A. *   Carpenter J.

ISRU:  An Approach to Change and Knowledge Gaps to Fill for Viable Processes in Space [#5005]
As an interest in ISRU is emerging again, it is important to understand the failure of the past. This work offers a critical look at the past considerations of ISRU activities and proposes a new focus for developing the field in the long-term.

3:20 p.m.

Bennett N. J. *

An Existing Market for Lunar Propellant — GTO Orbit Raising as a Service [#5043] Presentation
GTO orbit raising is an existing market for lunar sourced propellant. This market can charge higher prices per kilogram and be serviced by a much smaller mining operation than a LEO market; these factors translate to significantly higher returns.

3:25 p.m.

Moderator:  MacDonald A.

Panelist:  Christensen C.   Marquez P.   Jones C.

Panel Discussion:  What Are the Critical Economic and Market Issues We Need to Address for Lunar ISRU?

5:00 p.m.

 

Adjourn

 

Monday, July 15, 2019

POSTER SESSION:  CHARACTERIZATION OF RESOURCES

5:00 p.m.   USRA Education Gallery

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Authors (*Denotes Presenter)

Abstract Title and Summary

Colaprete A.   Elphic R. C.   Shirley M.

Characterizing Lunar Polar Volatiles at the Working Scale:  Going from ISRU Goals to Mission Requirements [#5025]
This paper presents new geostatistical analysis and modeling to quantify critical parameter scales and mission requirements for adequate characterization of polar volatiles.

Vonstad F. K.   Ferreira P.

Using an Interdisciplinary Sample Testing Framework for Borehole Cores [#5051]
The research proposed is to create an interdisciplinary Sample Testing Framework for space utilization, combining Earth sciences with current astrobiology testing. This would be done using the newly developed Sample Testing Framework.

Barnhard G. P.

Surface-to-Surface Power Beaming [#5093]
Space Power Beaming & Ancillary Services (SPB&AS) technology to be used to provide wireless utility services (e.g., power, data, communications, navigation, time, heat, etc.) in the lunar environment in a cost and resource effective manner.

Battler M.   Faragalli M.   Reid E.   Cole M.   Raimalwala K.   Smal E.   Vandermeulen M.   Aziz M.

Supporting ISRU Missions Through Mission Control Software [#5095]
Mission Control Space Services Inc. is developing mission control software to address emerging operations and autonomy needs in upcoming privately-led lunar ISRU missions, including improved guidance/navigation/control, communication, and data needs.

Wilkes J. M.

Greenhouses as the Source of Rare Lunar Resources [#5102]
This paper is a discussion of what one would grow in a lunar greenhouse and why. Food and medicine will be mentioned, but the focus is on materials to construct, furnish, operate, and maintain a lunar base which are easiest to import as a seed.

Shukla S.   Kumar S.   Tolpekin V. A.

Revisiting the Retention Framework of Lunar Helium-3 Through Space Weathering Processes and Its Implications [#5108]
A new space weathering perspective for precisely characterizing lunar Helium-3, wherein higher retentivity of hydrated pyroclasts is observed as part of preliminary survey. Such regoliths provide potential mining sites to develop lunar energy market.

Taylor G. J.   Blake D. F.   Sarrizin P.   Bristow T. F.   Martel L. M.   Lucey P. G.   Zacny K.   Downs R.   Chen J.   Dera P.   Gailhanou M.   McKenzie W.   Quinn R.   Thomson K.   Walroth R.

XTRA:  An Extraterrestial Regolith Analyzer for Resource Exploration [#5116]
A new X-ray diffraction/X-ray fluorescence instrument will aid in resource exploration and process monitoring.

Joshi D. R.   Eustes A. W.   Rostami J.   Dreyer C.   Zody Z.   Liu W.

Using Real-Time Drilling Data to Characterize Water-Ice on the Moon [#5127]
This paper offers the details of the design of the test drill unit based on heritage drill systems used by NASA and others. The paper discusses the acquisition and analysis of the drilling data to assess the strength and water content in the PSRs.

 

Monday, July 15, 2019

POSTER SESSION:  IDENTIFICATION OF RESOURCES

5:00 p.m.   USRA Education Gallery

BACK TO TOP

Authors (*Denotes Presenter)

Abstract Title and Summary

Brown H. M.   Robinson M. S.   Boyd A. K.

Identifying Resource-Rich Lunar Permanently Shadowed Regions [#5035]
We compare the lunar polar volatile datasets in order to identify sites that are most likely to host volatiles, and rank PSRs by resource potential.

Jozwiak L. M.   Patterson G. W.   Perkins R.

Mini-RF Monostatic Radar Observations of Permanently Shadowed Crater Floors [#5079]
We used Mini-RF to analyze the CPR of flat PSR and non-PSR crater floors at the lunar north and south pole. No significant differences in the CPR were observed, suggesting water ice may not be preferentially concentrated in shadowed regions.

Barker D. C.

Lunar Resources:  From Finding to Making Demand [#5083]
The current model of spaceflight is insufficient to kick-start off Earth ISRU, mining and usage of lunar resources. A paradigm shift, either by NASA or privately, must be initiated in a sustainable and long-term manner, if actual headway is to occur.

Schmitt H. H.

Lunar Helium-3 as the Foundation of Lunar and Mars Settlement and an Earth-Moon Economy [#5084]
The fusion of lunar helium-3 with itself or with deuterium offers the promise of environmentally benign electrical power on Earth, and flexible and rapid interplanetary propulsion.

Lamboray B.   Link M.   Martin G.

The Luxembourg Perspective on ISRU and the Development of a Commercial Space Ecosystem [#5105]
This Presentation is an overview of activities undertaken by the Luxembourg Space Agency to support each of its five strategic pillars and provides the progress it has made, including results from the ISRU Value Chain Study and the Mining Space Summit.

Cook J. G.

An Exploration Architecture for the Moon and Mars [#5106]
The aim of this Presentation is to provide a thoughtful roadmap for a focused Mars and Moon exploration campaign integrating robotics, human, and commercial activities.

Faragalli M.   Reid E.   Battler M.   Raimalwala K.   Smal E.   Vandermeulen M.   Aziz M.

Supporting ISRU Missions Through Mission Control Software [#5115]
Mission Control Software is an end-to-end operations software stack designed for rapid and on-demand deployment. MCS allows operators to easily and securely access mission data, and enables autonomy at multiple points in the operation.

Bower D. M.   Hewagama T.   Gorius N.   Li S. X.   Aslam S.   Misra P.   Livengood T. A.   Kolasinski J. R.

Correlated Raman and Reflectance Spectroscopy for In Situ Lunar Resource Exploration [#5117]
The Rapid Optical Characterization Suite for in situ Target Analysis of Lunar Rocks (ROCSTAR) will identify minerals and volatiles in lunar materials using a combination of  (VIS) 532 nm - (NIR) 785 nm Raman, with (NIR-MIR) reflectance spectroscopy.

Cohen B. A.   Hayne P. O.   Greenhagen B. T.   Paige D. A.   Seybold C. A.   Baker J. D.

Lunar Flashlight:  Searching for Accessible Water Frost [#5120]
Lunar Flashlight is a NASA cubesat to be launched in 2020 to detect and map water ice in permanently shadowed regions of the lunar south pole and understand the resource potential in these areas.

Marra W. A.

The Use of Thermal Mass in a Lunar Surface Structure [#5008]
In addition to radiation protection, applying the thermal mass/heat storage mechanism to a layer of the lunar regolith will provide a lunar habitat with natural supplemental heat energy, reducing the energy requirements met by mechanical equipment.

 

Monday, July 15, 2019

POSTER SESSION:  MARKETING OF RESOURCES

5:00 p.m.   USRA Education Gallery

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Authors (*Denotes Presenter)

Abstract Title and Summary

Ignatiev A.   Curreri P.   Sadoway D.   Carol E.

The Use of Lunar Resources for the Construction and Operation of a Lunar Radio Observatory on the Moon [#5011]
The resources of the Moon can be used to develop a radio astrophysical observatory on the far side of the Moon by fabricating a strip wire antenna or a dipole antenna array by thin film growth technology in the vacuum environment of the Moon.

Ignatiev A.   Sadoway D.   Curreri P.   Carol E.

The Use of Lunar Resources for Energy Generation on the Moon [#5013]
Leveraging in-space vacuum deposition and lunar resources to fabricate solar cells and transmission wire to create a powergrid on the surface of the Moon.

Ignatiev A.   Sadoway D.   Curreri P.   Carol E.

The Use of a Lunar Vacuum Deposition Paver/Rover to Eliminate Hazardous Dust Plumes on the Lunar Surface [#5014]
Based on available lunar resources and the Moon’s ultra-strong vacuum, a vacuum deposition paver/rover can be used to melt regolith into glass to eliminate dust plumes during landing operations and surface activities on the Moon.

Yun P.

Lunar In Situ Resource Utilization (ISRU) and Commercialization [#5122]
A feasible and sustainable lunar ISRU through commercialization can happen with affordable transportation and power supply. Lunar tourism can be a significant financial source for continued expansion of permanent human habitation on the Moon.

Schingler J. K.   Kapoglou A.   Hubbard K.

Common Pool Lunar Resources [#5124]
This article offers a conceptual framework for structuring a discussion of property rights regimes for the Moon.

Harmer G.

Integrating ISRU Projects to Create a Sustainable In-Space Economy [#5128]
This abstract is for a poster showing how integrating all the various lunar ISRU projects can have a big impact on how much (if at all) they contribute to the formation of a sustainable in-space economy.

Lacerda M.   Park D.

A Comprehensive Risk Assessment of the Proposed NASA Lunar Orbital Platform-Gateway [#5129]
A comprehensive risk assessment of proposed NASA Lunar Orbital Platform Gateway. Study will use gateway hardware element and human operation risk characteristics to assess overall platform risk levels and risk matrix to mission proposed and occupants.

 

Tuesday, July 16, 2019

IDENTIFICATION OF RESOURCES

8:15 a.m.   USRA Conference Center

Chair:  Clive Neal

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Times

Authors (*Denotes Presenter)

Abstract Title and Summary

8:15 a.m.

Sanders G., Neal C. *

What are Lunar Resources? Presentation

8:25 a.m.

Mandt K. *

Lunar Volatile Reservoirs Presentation

8:40 a.m.

Li S. *

Polar Water Ice Presentation

8:55 a.m.

 

Discussion

9:00 a.m.

Sargeant H. M. *   Abernethy F.   Anand M.   Barber S. J.   Sheridan S.   Wright I.   Morse A.

Experimental Development and Testing of the Reduction of Ilmenite for a Lunar ISRU Demonstration with ProSPA [#5020] Presentation
Hydrogen reduction of ilmenite will be trialed on Luna-27 as a proof-of-principle ISRU demonstration with the ProSPA instrument. A breadboard model has been built to test the reaction under static conditions, and water has successfully been produced.

9:05 a.m.

Gruener J. E. *

The Lunar Northwest Nearside:  The Prize is Right Before Your Eyes [#5058] Presentation
Recent lunar resource discussions have focused on water ice at the lunar poles, however much is unknown about the quantity and accessibility of these potential resources. The northwest nearside of the Moon is a much more known commodity.

9:10 a.m.

Hibbitts C. A. *

Secular Mapping of Water on the Moon from a Near-Rectilinear Halo Orbit [#5060] Presentation
Our knowledge of the location, abundance, and chemical state of water on the surface of the Moon can be vastly improved through infrared observations from a platform in a Near-Rectilinear Halo Orbit, such as the Deep Space Gateway.

9:15 a.m.

Kakish Z. M. *   Lera F. R.   Bischel D.   Mosquera A.   Boumghar R.   Kaczmarek S.   Seabrook T.   Metzger P.   Galache J. L.

Open-Source AI Assistant for Cooperative Multi-Agent Systems for Lunar Prospecting Missions [#5036] Presentation
Development of open-source multi-agent robotic toolset to assist in mission planning for prospecting the lunar surface. First iteration uses NASA Resource Prospector mission as inspiration.

9:20 a.m.

Rogers N.   Villeneuve M. *

Modelling Prospectivity of Under Explored Regions:  Deploying Ore System Based Predictions in a Lunar Environment [#5057]
An overview of how the new approaches to quantitative resource prospectivity mapping that uses the ore systems approach is applicable in frontier environments such as the Moon.

9:25 a.m.

Bailey S. A. *

Lunar Resource Prospecting [#5054] Presentation
The Deep Space System lunar lander selected for the NASA Commercial Lunar Payload Services catalog is optimized for lunar resource prospecting in the polar regions of the Moon.

9:30 a.m.

 

Discussion:  Identification of Lunar Volatile Resources

10:00 a.m.

 

Break

10:15 a.m.

Heldmann J. L. *   Colaprete A. C.   Elphic R. C.   Andrews D. R.

Landing Site Selection and Effects on Robotic Resource Prospecting Mission Operations [#5016] Presentation
Lunar water ice and volatile deposits are critical resources for ISRU. These resources can be found outside of permanently shadowed regions, allowing for ISRU operations in sunlit regions on the Moon.

10:20 a.m.

Stubbs T. J. *   Purucker M. E.   Hudeck J. D.   Hoyt R. P.   Malphrus B. K.   Mesarch M. A.   Bakhtiari-nejad M.   Cruz-Ortiz G. E.   Stoneking E. T.   Johnson T. E.   Chai D. J.  
Folta D. C.   Vondrak R. R.

Lunar Tethered Resource Explorer (Lunar T-REx):  Identifying Resources on the Moon Using Tethered SmallSats [#5049] Presentation
The Lunar T-REx tethered CubeSat/SmallSat mission concept makes repeated low altitude measurements that could be capable of identifying magnetic signatures associated with economic mineralization at Nectarian-aged impact features.

10:25 a.m.

Carroll K. A. *

Lunar Surface Gravimetry for Finding Ore Deposits on the Moon [#5041]
Will valuable lunar resources be in the form of concentrated ore deposits, or widely dispersed through the regolith? If the former, standard exploration techniques may help find ore bodies. We discuss the use of gravimetric surveying for this.

10:30 a.m.

Bell E. *   Schmerr N.   Bleacher J.   Young K.   Porter R.   Whelley P.   Garry W.   Kruse S.   Esmaeili S.   Jazayeri S.   Richardson J.   West J.   Pettit D.   Rees S.

Using Terrestrial Volcanic Fields as an Analog for the Geophysical Characterization of Potential Lunar Resources [#5050] Presentation
Terrestrial volcanic fields are analogs for the geologic conditions that will be encountered on the Moon. Seismic and magnetic data from these locations will aid in the geophysical characterization and locating of lunar resources in similar areas.

10:35 a.m.

Zacny K. *

Prospecting for Lunar Resources

10:50 a.m.

Sowers G. *

Prospecting Workshop at Colorado School of Mines

11:00 a.m.

Moderator:  Neal C.

Panelists:  Gertsch L.   Hurley D.   Martin G.   Acierno K.

Panel Discussion:  What Does a Lunar ISRU Prospecting Campaign Look Like?

12:00 p.m.

 

Lunch

 

Tuesday, July 16, 2019

CHARACTERIZATION OF RESOURCES

1:15 p.m.   USRA Conference Center

Chair:  Dale Boucher

BACK TO TOP

Times

Authors (*Denotes Presenter)

Abstract Title and Summary

1:15 p.m.

Raut U. *   Retherford K. D.   Poenitzsch V.   Hurley D. M.   Miller M. A.   Metzger P.   Whizin A. D.   Poston M.

IS5 – In-Situ Resource Utilization:  Scouting | Sampling | Separation | Synthesis | Storage — A Concept Study [#5089]
We discuss ISRU-driven concept study that aims at volatiles and regolith utilization on the lunar surface.

1:30 p.m.

Trautner R. *   Barber S.   Carpenter J.   Fisackerly R.   Houdou B.   Leese M.   Rusconi A.   Sefton-Nash E.   Zamboni A.

Development of the PROSPECT Payload Package for Subsurface Sample Acquisition and Analysis of Lunar Volatiles [#5004] Presentation
ESA’s PROSPECT package on board the Russian Luna-27 lander will support the extraction and analysis of lunar surface and subsurface samples at a lunar near-polar landing site, and acquire data from additional environmental sensors.

1:35 p.m.

Morse A. D. *   Abernethy F.   Barber S. J.   Lim S.   Sargeant H.   Sheridan S.   Wright I. P.

Mass Spectrometers for In-Situ Resource Utilisation [#5026] Presentation
The Open University has a heritage of building small, less than 2 kg, mass spectrometers for lander packages. Continuing development aims to use the mass spectrometers for prospecting for lunar resources and for ISRU process monitoring.

1:40 p.m.

Zacny K. *   Paulsen G.   Mank Z.   Spring J.   Chu P.   Bergman D.   Sanasarian L.   Quinn J.   Smith J.   Kleinhenz J.

TRIDENT Lunar Drill with PlanetVac Pneumatic Sample Delivery:  A New Paradigm in Sample Acquisition and Delivery [#5059] Presentation
We present an approach for sample acquisition and delivery to instruments for analysis. Sample acquisition is done using a TRIDENT drill, while sample delivery is performed using a PlanetVac pneumatic sample delivery.

1:45 p.m.

Meyen F. E. *   Campbell A.   Steiner T. J. III   Streetman B. J.   Mario C. E.  
Steffes S. R.   Duda K. R.

Bringing Your ISRU Payload to the Moon:  How Artemis-7 and Draper’s Vision-Based Navigation Get You There [#5080] Presentation
This Presentation discusses Draper’s Artemis-7 lunar lander and describes payload accommodations and vision navigation features that enable the deployment of ISRU payloads to the Moon.

1:50 p.m.

Schieber G. L. *   Jones B. M.   Orlando T. M.   Loutzenhiser P. G.

Experimental Study and Modeling of Gas Transport Within Regolith for Examining ISRU/Sampling Scenarios [#5034] Presentation
Understanding gas transport for the extraction of water within regolith is a key step in the design of ISRU systems. This study considers gas transport at low pressure in the porous medium formed by regolith.

1:55 p.m.

Mantovani J. G. *   Vu B. T.

Chemical Effects on Surface Regolith Caused by a Lunar Lander’s Exhaust Plume During Descent and Landing [#5070]
This Presentation will discuss previous work conducted at NASA Kennedy Space Center that studied the potential surface contamination that can be caused by a lunar lander descending into a lunar cold trap area.

2:00 p.m.

Botha P. W. S. K. *   Butcher A. R.

The Geometallurgy of Lunar Simulants and Apollo 16 and 17 Regolith [#5045] Presentation
We utilize geometallurgical characterization techniques to study seven lunar simulants; two sized Apollo 16 drive tube samples; and two sized Apollo 17 drive tube samples (74002,181 and 74001,113) using QEMSCAN.

2:05 p.m.

Patterson M. C. L. *   Tucker J.   Carpenter K.   Parness A.

Understanding Component/Materials Performance in the Lunar Environment [#5056] Presentation
A test environment that closely approximates the lunar surface has been established to characterize the wear and degradation mechanisms associated with components such as gear boxes, predict performance, and establish mitigation strategies.

2:10 p.m.

Mueller R. P. *   Mantovani J. G.

Geotechnical Properties of BP-1 Lunar Regolith Simulant [#5068] Presentation
An experimental program including particle-size distribution, microscopy observations using scanning electron microscope (SEM) images, density measurements, compressibility, and shear strength was performed.

2:25 p.m.

 

Discussion:  What Bulk Regolith Characteristics are Necessary for Sustainable Resource Utilization on the Moon?

2:55 p.m.

 

Break

3:10 p.m.

Chung T. *   Yoo Y.   Shin H.-S.

A Lunar Surface Environment Simulator:  Dirty Thermal Vacuum Chamber (DTVC) [#5038]
KICT is developing a space environment simulator containing a large amount of a lunar soil simulant for verification of ISRU technology. It is expected to contribute to improve the completeness and reliability of the developed ISRU technology.

3:25 p.m.

Keszthelyi L. *   Williams C. F.   Howard D. A.   Crafford T. C.   Meinert L. D.  
Hagerty J.   Ridley W. I.

Applying the USGS Resource Assessment Methodology to the Moon:  Three Very Different Cases [#5030] Presentation
We examine the application of the standard USGS mineral resource assessment methodology to lunar ice, regolith, and solar energy.

3:30 p.m.

Cannon K. M. *   Britt D. T.

Mineralogically Accurate Simulants for Lunar ISRU, and Strategic Regolith Processing [#5002]
Beneficiating lunar resources will be controlled by properties of soils/rocks that are only captured by mineralogically accurate simulants. We describe two such regolith simulants and a distribution model that solves previous simulant issues.

3:35 p.m.

Johnson L. *

Lunar Power Lander for Surviving Long Lunar Nights [#5001]
A Lunar Power Lander concept is presented that will utilize concentrated solar thermal radiation as an energy source for generating and storing electrical power during the day for use during lunar nights.

3:40 p.m.

Coyan J. A. *   Schmidt G.

Mineral Resources Assessments:  Implications for Assessing Cosmic Bodies [#5092]
Resource assessments provide leaders a framework for making decisions under conditions of uncertainty. Three Part Mineral Resource Assessment Method may be applicable to assess resources on cosmic bodies.

3:45 p.m.

Ehrlich J. W. *   Cichan T.   Payne K.

Advancing In-Situ Resource Utilization Through Current and Future Deep Space Technologies [#5067] Presentation
Lockheed Martin has a rich background in the design and testing of ISRU technology. Revitalization of previously proven technology, such as the Precursor ISRU Lunar Oxygen Testbed (PILOT), will allow NASA to press ahead in advancing ISRU at the Moon.

3:50 p.m.

Colaprete A. *   Elphic R. C.   Shirley M.

Characterizing Lunar Polar Volatiles at the Working Scale:  Going from ISRU Goals to Mission Requirements [#5025] Presentation
This paper presents new geostatistical analysis and modeling to quantify critical parameter scales and mission requirements for adequate characterization of polar volatiles.

3:55 p.m.

Moderator:  Boucher D.

Panelist:  Neal C.   Sanders G.   Abbud-Madrid A.   On M.

Panel Discussion:  What is Needed to Determine “Grade and Tonage” of a Deposit and How Does Bulk Regolith Characterization Play a Role?

5:00 p.m.

 

Adjourn

 

Tuesday, July 16, 2019

POSTER SESSION:  EXTRACTION OF RESOURCES

5:00 p.m.   USRA Education Gallery

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Authors (*Denotes Presenter)

Abstract Title and Summary

Just G.   Smith K.   Joy K. H.   Roy M.

Parametric Review of Regolith Excavation and Handling Techniques for Lunar In Situ Resource Utilisation [#5007]
Review of regolith excavation and handling techniques for lunar ISRU. To compare different mechanisms, representative parameters are chosen (process parameters and experimental conditions). Probability of incorporation into future lunar missions is evaluated.

Sargeant H. M.   Bickel V. T.   Honniball C. I.   Martinez S. N.   Rogaski A.   Bell S. K.   Czaplinski E. C.   Farrant B. E.   Harrington E. M.   Tolometti G. D.   Kring D. A.

Determining Trafficability of Pyroclastic Deposits and Permanently Shaded Regions of the Moon Using Boulder Tracks [#5019]
Pyroclastic deposits and permanently shaded regions are of interest for lunar ISRU. This work uses lunar boulder tracks to calculate the bearing capacity of regolith in these locations, and discusses the implications for future missions.

Lomax B. A.   Conti M.   Khan N.   Symes M. D.

The Metalysis-FFC-Cambridge Process for the Efficient Production of Oxygen and Metals on the Lunar Surface [#5023] Presentation
We present an efficient method for simultaneously extracting oxygen and producing useful metallic materials from lunar regolith using the Metalysis FFC-Cambridge process.

Smith J. D.   Schuler J. M.   Nick A. J.

Cryobotics:  Testing of Strainwave Gearboxes [#5064]
Cryobotics, testing how strainwave gear sets perform in extreme cryogenic temperature conditions.

Mueller R. P.   Smith J. D.

NASA Kennedy Space Center Swamp Works:  Capabilities and Facilities [#5069]
The Swamp Works is a KSC environment designed for innovation and lean development of new space technologies. It establishes rapid, innovative, and cost effective exploration mission solutions through leveraging of partnerships.

Baiden G. R.   Barnhard G. P.   Blair B. R.

Lunar Production Drilling Using WaterWitch [#5087]
Improved technologies for lunar regolith processing mechanisms and end-to-end process flow engineering required for the recovery of resources and specific mechanisms for Lunar Regolith Processing (e.g., WATERWITCH).

Vaughn L. A.

A Modular Robotic System for In-Situ Extraction and Processing of Lunar Resources [#5094]
An autonomous system of modular robotic components is described that is capable of excavation and transportation of materials between the various work centers of an operational or demonstration lunar mining, manufacturing, and construction facility.

Kim J.-H.   Kim S. H.   Kang T. J.   Kim J.   Jeon K.   Kim K. J.   Kim K.-S.

Approach and Possible Cooperative Activity from South Korea for Lunar Space Exploration [#5101]
New approaches for space exploration is under discussion for lunar exploration. Possible collaborating activities of Inha IST/KIGAM with NASA LaRC will be air-tighten fabric, purification, 3D printing, life and medical science, and energy harvesting.

Bar-Cohen Y.   Badescu M.   Sherrit S.   Bao X.   Lee H. J.   Jackson S.   Metz B.   Zacny K.   Mellerowicz B.   Kim D.   Paulsen G. L.

Auto-Gopher-2 (AG2) — Autonomous Wireline Rotary Piezo-Percussive for Deep Drilling [#5104]
Reaching great depths on the Moon for human’s settlement, ISRU, and construction of infrastructure applications will require effective drilling mechanisms, and this is the subject of this paper using a piezoelectric actuator.

Rhodes D. J.   Farrell W. M.

Drilling in a Lunar Polar Crater:  Triboelectric Charge Regulation [#5119]
We model the electrical environment of a lunar polar crater, and explore implications for drilling. Considerations include the plasma-surface interaction, tribo-electric charge buildup on equipment, and charged dust levitation.

Mitchell J. L.   Lewis E. K.   Fisher K. R.   Zeigler R. A.   Fries M. D.

Lunar Volatile-Rich Sample Storage and Handling for Curation and ISRU [#5121]
Here we describe the latest updates regarding lunar polar simulant development at JSC. In addition, we describe our ongoing effort to complete a lunar environment chamber, allowing high-fidelity testing of sample handling and volatile extraction.

 

Tuesday, July 16, 2019

POSTER SESSION:  PROCESSING OF RESOURCES

5:00 p.m.   USRA Education Gallery

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Authors (*Denotes Presenter)

Abstract Title and Summary

Indyk S.   Benaroya H.

Structural Members Produced from Unrefined Lunar Regolith Simulant [#5015]
Evaluation of sintered lunar simulants structural properties with applications for lunar construction.

Elliott J. O.   Sherwood B.   Austin A.

Operations Modeling of ISRU Lunar Base Architectures [#5021]
We present preliminary results of an operations-based model for an ISRU lunar base that takes into account all phases; construction through full operation. Architectural impacts are illustrated by comparing results from two different base locations.

Hanks H. L.

Prospective Study for Harvesting Solar Wind Particles via Lunar Regolith Capture [#5022]
In this prospective study, a process to extract solar wind particles from lunar regolith is being designed to minimize required energy input by maximizing heat integration and utilizing existing hot and cold sinks and daily temperature variations.

Dickson D. C.   Centers R. J.

Preliminary Trade Study of Power Generation and Transmission for Lunar Propellant Manufacturing [#5052]
Production of propellant from lunar resources requires copious power delivery into permanently shadowed regions. A preliminary trade study is performed comparing options for power generation and transmission.

Metzger P. T.   Britt D. T.

Mitigating Lander Plume Effects with Space Resources [#5055]
Lunar lander plume effects must be mitigated to prevent damage to the operations at a lunar outpost or mining operation. Mitigating the effects require the use of lunar regolith as a construction material to build landing pads.

Whizin A.   Raut U.   Retherford K.   Miller M.   Poenitzsch V.   Kirkpatrick K.   Shin H.

In-Situ Synthesis of Propellants and 3D Printed Materials from Lunar Regolith [#5086]
In order to enable operations and long-term human and robotic presence on the lunar surface, our work advances the science and technology required for scalable production in-situ building materials as well as propellants from lunar feedstocks.

Barnhard G. P.   Blair B. R.

Solar Dynamic Systems:  A Path to a Lunar Power and Light Company [#5088]
The ability to provide power when and where needed is essential to virtually all aspects of human endeavor and enables all forms of space development/settlement including lunar ISRU. Solar dynamic systems may prove integral to accomplishing ISRU.

Poston M. J.   Miller M. A.   Green S. T.   McCleney A. B.   Retherford K. D.   Raut U.

Gas Storage Systems for In Situ Resource Utilization [#5091]
Between processing and marketing, resources must be stored efficiently. We propose to study how.

Steklov A. F.   Vidmachenko A. P.   Miniaylo D. M.

Methods of Heating Areas for Human Living Under the Surface of the Moon [#5107]
At 1 m2 of Moon’s surface from the Sun comes more than 1.3 kW of energy. This energy must be taken, transformed, transmitted under surface, there accumulated and to be used for heating of habitations.

Zhang X.   Osinski G. R.

Comparison of Selected Lunar Regolith Simulants and Implications on their Potentials for ISRU-Related Applications [#5123]
This study compared some simulants produced in different countries to show their strengths and weaknesses and commented on their potentials to serve ISRU technology development.

Reiss P.   Kerscher F.   Grill L.

Thermogravimetric Analysis of the Reduction of Ilmenite and NU-LHT-2M with Hydrogen and Methane [#5125]
TGA was performed on ilmenite and NU-LHT-2M to study the weight change in a flow of nitrogen/hydrogen/methane from room temperature up to 1000°C. The feasiblitiy of these ISRU processes at <1000°C was assessed and several challenges were identified.

Acierno K.

ispace’s Polar Ice Explorer:  A Commercial ISRU Exploration Mission to the South Pole of the Moon [#5126]
The topic of Presentation will provide an update on the development of the lunar lander and rover and provide insight into the Polar Ice Explorer mission that is being developed.

 

Wednesday, July 17, 2019

EXTRACTION OF RESOURCES

8:15 a.m.   USRA Conference Center

Chair:  Leslie Gertsch

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Times

Authors (*Denotes Presenter)

Abstract Title and Summary

8:15 a.m.

Gertsch L. *

What is Mineral Extraction? What We’ll Be Hearing This Morning and How It Maps to Needs

8:30 a.m.

Ellery A. A. *

Sustainable Lunar In-Situ Resource Utilisation = Long-Term Planning [#5017] Presentation
We present a lunar industrial ecology that can be developed robotically on the lunar surface consistent with the Lunar Gateway to pave the way for a subsequent sustainable human presence on the Moon.

8:45 a.m.

Mueller R. P. *

A Review of Extra-Terrestrial Mining and Construction Concepts [#5066] Presentation
There have been a variety of extra-terrestrial robotic mining concepts proposed over the last 40 years, and this talk will summarize and review concepts to serve as an informational resource for future mining robot developers and operators.

9:00 a.m.

Williams H. *   Dreyer C.

Space Resource Enabling Technology Development at the Colorado School of Mines [#5053] Presentation
At the Center for Space Resources in the Colorado School of Mines, key enabling technologies for lunar ice mining, regolith 3D printing, and in-situ geophysical investigation are being actively developed and will be reviewed in this Presentation.

9:05 a.m.

van Susante P. J. *   Alger R.

Proposed New Testing Facility for Cold and Operational Long Duration Testing of Lunar and Mars ISRU and Mobility [#5048] Presentation
Mining water and other resources from the Moon, Mars, and asteroids requires development and testing of mining equipment. We propose to develop a test facility for large scale, long duration ISRU testing under simulated lunar and martian conditions.

9:10 a.m.

Metzger P. T. *

High Fidelity Model of Lunar Volatile Extraction Indicates Challenges and Solutions to Economic Resource Recovery [#5090] Presentation
Lunar modeling is developed for thermal extraction of models including the physics of heat transfer, ice sublimation, and gas diffusion, accounting for the effects of mixed chemistry ice in the soil. The model informs design decisions for mining.

9:15 a.m.

Goertzen S. G. *   Conners A. B.   Gregg R.   Hugo A.   Webb N.   Hunter H.

Nuclear Power Demonstration in a Permanently Shadowed Region of the Moon [#5078]
The goal of this project is to develop a power demonstration system for use in a PSR on the lunar surface. Using nuclear fission reactors, this project will demonstrate power production for ISRU where sunlight is not readily available.

9:20 a.m.

Stoica A. *

A Solar Power Infrastructure Around Shackleton Crater [#5096] Presentation
A solar power infrastructure around the south pole of the Moon could enable long term missions in regions without natural solar illumination. It could change the way missions are designed and operated, lower the barriers of entry, lower the cost of operation for exploration and ISRU.

9:25 a.m.

Nick A. J. *   Mueller R. P.   Townsend I. I.   Tamasy G. J.

Dust Tolerant Automated Umbilical (DTAU) [#5073]
Dust Tolerant Umbilical to pass commodities such as cryogenic liquid propellants, purge and buffer gases, water, breathing air, pressurizing gases, heat exchange fluids, power, and data.

9:30 a.m.

 

Authors Discussion Panel

10:00 a.m.

 

Break

10:15 a.m.

Schuler J. M. *   Smith J. D.   Mueller R. P.   Nick A. J.

RASSOR, the Low-Gravity Excavator [#5061] Presentation
Description of a robotic mining vehicle designed to operate in low-gravity.

10:20 a.m.

Roesler G. *

Beyond Rovers:  Mobility for Lunar ISRU [#5097] Presentation
A mobility system for a production-level ISRU facility must provide efficient delivery, construction, resource transport, and robot power while mitigating extreme cold, abrasion, and obstacles. A robotically-emplaced elevated track approach is discussed.

10:25 a.m.

Morrison P. *   Zacny K.   Vendiola V.   Paz A.

Results and Lessons Learned from Testing of the Planetary Volatiles Extractor (PVEx) and Related ISRU Concepts [#5076] Presentation
We present a novel method for water and other volatile extraction on the Moon.

10:30 a.m.

Keravala J. *   Nall M.   Beinhoff D.   Pittman B.

How OffWorld`s Swarm Robotic Mining Architecture is Opening Up the Way for Autonomous Insitu Mineral Extraction — On Earth and Beyond [#5044] Presentation
OffWorld is building millions of smart robots working on the human supervision on Earth and in space, turning the solar system into a habitable place for life and civilization. Enabling human expansion off our home planet.

10:35 a.m.

Hopkins J. B.   Murrow D. W.   Wiens S. W. *   Linn T.

Lockheed Martin’s McCandless Lunar Lander Capabilities for ISRU Missions [#5063] Presentation
Lockheed Martin’s McCandless Lunar Lander, selected for NASA’s CLPS program, is designed to provide the larger mass, volume, and power needed for ISRU prospecting rovers or pilot processing plants.

10:40 a.m.

Zuniga A. F. *

NASA Lunar Development Lab Concept:  A Leveraged Partnerships Approach for Lunar Resource Extraction, Utilization, and Infrastructure Development [#5062]
NASA Lunar Development Lab is a new concept to bring together academia, industry, and NASA in an accelerator environment to generate new design solutions and technologies for lunar resource extraction, utilization, and infrastructure development.

10:45 a.m.

Austin A.   Elliott J. O.   Sherwood B. *

Integrated Engineering Modeling of an ISRU Lunar Base [#5040] Presentation
Lunar ISRU will be a complicated and complex endeavor involving many unprecedented operations and systems. This document describes the development of an integrated systems model to discern holistic interdependencies of ISRU operations scenarios.

10:50 a.m.

Sibille L. *   Saydam S.   Tapia Cortez C.

Modeling Tool for Lunar Mining Optimization and Resource Processing Based on Geological Contexts [#5099]
A novel comprehensive mining and materials processing model integrates the specific geology of the targeted resource, as done in terrestrial mining industries to generate comparative operational results for a particular resource deposit on the Moon.

10:55 a.m.

 

Authors Discussion Panel

11:15 a.m.

Moderator:  Gertsch L.

Panelists:  Boucher D.   van Susante P. J.   Mueller R.

Panel Discussion:  What’s Still Missing?  Where are the Holes?  (So We Can Plan to Fill Them!)

12:00 p.m.

 

Lunch

 

Wednesday, July 17, 2019

PROCESSING OF RESOURCES

1:15 p.m.   USRA Conference Center

Chairs:  Jerry Sanders and Diane Linne

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Times

Authors (*Denotes Presenter)

Abstract Title and Summary

1:15 p.m.

Linne D. *

NASA Development Plans for Resource Processing for O2 and Water Presentation

1:30 p.m.

Gruener J. *

Lunar Material-Minerals Primer for Oxygen Extraction Presentation

1:40 p.m.

Sanders J. *

NASA O2 and Water Production Architectures for Early Reusable Lander

1:55 p.m.

Meurisse A. *   Carpenter J.

ESA Activities as Support to ISRU Technology Development [#5006]
The European Space Agency is starting new ISRU activities in 2019. This talk will present the end-to-end terrestrial demonstrators currently under development for research purposes, and the ISRU demo mission planned for 2023.

2:00 p.m.

Townsend I. I. *   Mueller R. P.   Tamasy G. J.   Nick A. J.

Regolith Size Sorter and Hopper [#5075]
Regolith size sorter for lunar regolith processing.

2:05 p.m.

Quinn J. W. *

Electrostatic Beneficiation of Lunar Regolith; a Review of Previous Testing as a Starting Point for Future Work [#5074]
Summary results of electrostatic beneficiation of lunar simulants and Apollo regolith, in lunar high-vacuum, are reported in which various degrees of efficient particle separation and mineral enrichment up to a few hundred percent were achieved.

2:10 p.m.

Lim S. *   Morse A. D.   Anand M.   Holland A.

Understanding of Microwave Heating Behaviour of Lunar Regolith and Simulants [#5047]
We have designed an industrial bespoke microwave heating apparatus. This apparatus will allow a thorough experimental investigation of the sintering mechanism of lunar regolith/simulant in the cavity.

2:15 p.m.

Wingo D. *

Vapor and Plasma Phase Pyrolysis; A Key to Lunar Industrialization [#5098]
The vacuum of the Moon allows Vapor Phase Pyrolysis production of metals and oxygen at much lower temperatures than here on Earth.

2:20 p.m.

Sibille L. *   Schreiner S. S.   Dominguez J. A.

Advance Concepts for Molten Regolith Electrolysis:  One-Step Oxygen and Metals Production Anywhere on the Moon [#5100]
Several integrated concepts were recently developed by our team to advance this remarkable technology into position for demonstration on the lunar surface. Laboratory tests have demonstrated production of oxygen from any lunar regolith composition.

2:25 p.m.

Sadoway D. *   Ignatiev A.   Curreri P.   Carol E.

Regolith Extraction Through Molten Regolith Electrolysis [#5012]
Molten oxide electrolysis can directly electrolyze regolith as received to produce pure oxygen at one electrode and a plurality of liquid metals at the other electrode, doing so without the need for any form of supporting electrolyte.

2:30 p.m.

 

Discussion:  Processing of Lunar Materials

3:00 p.m.

 

Break

3:15 p.m.

Utz R. C.   Miller M. C.   Pass S.   Valdez T. I. *

Robust Electrolyzer for Lunar ISRU Applications [#5082] Presentation
Teledyne will discuss the development and testing of an electrolyzer that is compatible with lunar regolith-derived water sources.

3:20 p.m.

Hayes A. K. *   Ye P.   Loy D. A.   Muralidharan K.   Potter B. G.   Barnes J. J.

Additive Manufacturing of Lunar Mineral-Based Composites [#5009] Presentation
This work explores methods of incorporating lunar minerals into additive manufacturing. Regolith simulants were 3D-printed in conjunction with polymeric binders in concentrations up to 60 wt.% using Fused Deposition Modeling (FDM) and robocasting.

3:25

Buckles B. C.   Mueller R. P. *   Gelino N. J.

Additive Construction Technology for Lunar Infrastructure [#5077]
Developing a lunar economy will require a significant amount of infrastructure on the lunar surface. To do this, we will need to investigate automated construction technologies.

3:30 p.m.

Makaya A. *

In-Situ Resource Utilization for Construction and Hardware Manufacturing to Support Lunar Exploration — Developments at ESA [#5039] Presentation
An overview of completed and ongoing activities, funded by or conducted within ESA, will be presented, reflecting the development of technologies for the processing of lunar regolith, for construction and hardware manufacturing.

3:35 p.m.

Shafirovich E. *

Combustion-Based Methods for Construction on the Moon [#5081] Presentation
We will present the results of our studies on the combustion of lunar and martian regolith simulants with magnesium, as well as on the combustion joining of ceramic tiles made of a lunar regolith simulant.

3:40 p.m.

Moderator:  Sanders J.

Panelist:  Linne D.   Wingo D.   Mueller R.   Meurisse A.   Buckles B.

Discussion

4:10 p.m.

 

Wrap-Up

5:00 p.m.

 

Adjourn

 

PRINT ONLY:  CHARACTERIZATION OF RESOURCES

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Authors (*Denotes Presenter)

Abstract Title and Summary

Kochemasov G. G.

Possible Fe-Metal Enrichment Areas in the SPA Basin [#5024]
Metal iron is a very important component of constructions on the lunar surface. Coincidence of swirls (light probably Mg-rich objects) with magnetic anomalies in the SPA Basin is interpreted as an indication of presence of native Fe concentrations.

Steklov A. F.   Vidmachenko A. P.   Dashkiev G. N.

On the Creation of Technology for a Comfortable Human Life on the Moon [#5033]
We offer accommodation astronauts below the surface of the Moon. We have developed a technology for creating periscope lens-mirror systems for heating of the soil by sunlight near endo-settlements under lunar surface.

Vidmachenko A. P.   Morozhenko A. V.

Mineralogy of Moon Surface at Remote Polarimetric Investigations [#5032]
The current problem of the Moon studies is still the mineralogical mapping of its surface. We offer an experiment of polarization mapping of the surface of the Moon in UV for phase angles of 80–120 degrees.

 

PRINT ONLY:  EXTRACTION OF RESOURCES

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Authors (*Denotes Presenter)

Abstract Title and Summary

Mardon A. A.   Zhou G.

Lunar Lava Tubes and In-Situ Resource Utilization [#5111]
Terrestrial construction techniques may not be suitable and will face numerous challenges posed by the different lunar geography and distance away from Earth. One daunting problem is the production of suitable construction materials.

Mardon A. A.   Zhou G.   Witiw R.

Lunar Rare Earth Minerals for Commercialization [#5118]
Rare Earth elements are ultra-rare and previous deposits that can be used in a variety of applications, most of which are used on electronics for consumers and defense systems alike.

Tombrowski L. W.   Mardon A. A.

Lunar Lava Tubes as Potential Sites for Human Habitation and Resource Extraction [#5037]
A brief review of how the inside of lunar lava tubes could be used as locations for human habitation and resource extraction.

 

PRINT ONLY:  IDENTIFICATION OF RESOURCES

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Authors (*Denotes Presenter)

Abstract Title and Summary

Johnson P. A.   Witiw R. W.   Mardon A. A.

Application of Elastic Compression Bandages to Prevent Orthostatic Hypotension Following Exposure to Microgravity Conditions [#5103]
Orthostatic intolerance is common, resulting in syncope-associated symptoms in 20% of all astronauts. The use of compression bandages have been identified for preventative management of orthostatic hypotension after microgravity exposure in space.

Johnson P. A.   Witiw R.   Mardon A. A.

The Use of Prosthetic Accelerometers for Restoration of Normal Limb Movements Under Microgravity Conditions [#5109]
Motor-related tasks in microgravity conditions on the lunar surface can be difficult and physiologically compromising. Novel prosthetic accelerometer technology has been identified and may be used to restore normal movements under these conditions.

Mardon A. A.   Zhou G.

In-Situ Lunar Construction Material for Human Habitation [#5110]
Terrestrial Construction Techniques face numerous challenges posed by the different lunar geography and cannot be used. One daunting problem is the production of suitable construction materials.

Mardon A. A.   Zhou G.

Structural Analysis for Lunar Bases [#5112]
Facilities on the lunar surface will challenge contemporary ideas of structural analysis by structural and civil engineers, as well as designers, constructors, and logistics planners.

Marra W. A.

The Use of Thermal Mass in a Lunar Surface Structure [#5008]
In addition to radiation protection, applying the thermal mass/heat storage mechanism to a layer of the lunar regolith will provide a lunar habitat with natural supplemental heat energy, reducing the energy requirements met by mechanical equipment.

 

PRINT ONLY:  MARKETING OF RESOURCES

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Authors (*Denotes Presenter)

Abstract Title and Summary

Christensen I. A.

The Concept of “Benefit” as a Central Topic in International Policy and Legal Discussion of Commercial Space Resources Development [#5071]
This lightning talk will discuss the importance of elucidating, describing, and sharing benefit(s) from space resources development with the broader space community as a key element of achieving a supportive policy context.

Mardon A. A.   Zhou G.   Witiw R.

Ethical Conduct in Lunar Commercialization [#5114]
Ever since the launch of the Sputnik, countries from across the world have continually strived to exploring and one day colonizing of space.

 

PRINT ONLY:  PROCESSING OF RESOURCES

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Authors (*Denotes Presenter)

Abstract Title and Summary

Mardon A. A.   Zhou G.   Witiw R.

Sulphur-Based Reinforced Concrete Under Lunar Conditions [#5113]
Composition of lunar lava tube regolith is also a variable determinant of structural stability. After identifying intact lava tubes, the concept of “lunar concrete” is introduced to increase loading capacity.