Integrated Waste Trade Study: Lunar Surface to Deep Space

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dc.creatorRini,Emily
dc.creatorEwert, Michael K.
dc.creatorChen, Thomas T.
dc.date.accessioned2024-06-20T19:46:33Z
dc.date.available2024-06-20T19:46:33Z
dc.date.issued2024-07-21
dc.descriptionEmily Rini, Jacobs JSC Engineering, Technology, and Science (JETSII), USA
dc.descriptionMichael K. Ewert, NASA Johnson Space Center(JSC), USA
dc.descriptionThomas T. Chen, NASA Johnson Space Center(JSC), USA
dc.descriptionICES506: Human Exploration Beyond Low Earth Orbit: Missions and Technologies
dc.descriptionThe 53rd International Conference on Environmental Systems was held in Louisville, Kentucky, USA, on 21 July 2024 through 25 July 2024.
dc.description.abstractThe Logistics Reduction Project is one of NASA's technology development projects that is preparing humanity for deep space missions. Reducing the mass and volume of logistical supplies that must be carried from Earth to support the missions and their crews is the primary goal of the project. Effective ways to achieve this goal include reducing, reusing, or recycling wastes generated throughout the mission. Due to the goal of the project, waste processing technologies were analyzed for Lunar surface missions at various lengths and an 850-day Mars transit mission to evaluate the potential benefits of waste processing pertaining to each mission. The technologies assessed include trash compaction, trash-to-gas and human metabolic waste processing technologies, integrated with the baseline architectures of each mission�s habitat. The fully integrated systems were analyzed using an equivalent system mass, which is a metric that encompasses the mass, volume, power and cooling of a system, resulting in an estimate of launch mass and serving as a proxy for cost. Each system�s equivalent system mass was compared to that of the baseline waste processing system of the respective habitat, hand compaction with storage for Lunar surface missions and hand compaction with jettisoning for Mars transit, to evaluate whether the traded waste processing technology was beneficial. This analysis identifies a general trend that more sophisticated waste processing can be beneficial depending on the mission duration. For Lunar surface missions, the water recovery from waste processing can pay off over consecutive missions, due to offsetting the losses from the system via extravehicular activities. In contrast for Mars transit, the primary objective is mass removal from the spacecraft, so technologies like trash-to-gas are competitive with the baseline. Furthermore, the technologies which can recover resources from waste, such as water, may present additional advantages to an ever-changing Mars mission architecture.
dc.format.mimetypeapplication/pdf
dc.identifier.otherICES-2024-92
dc.identifier.urihttps://hdl.handle.net/2346/98799
dc.language.isoeng
dc.publisher2024 International Conference on Environmnetal Systems
dc.subjectWaste Processing
dc.subjectCompaction Technologies
dc.subjectTrash-to-Gas
dc.subjectLogistics Reduction
dc.subjectLogistics
dc.titleIntegrated Waste Trade Study: Lunar Surface to Deep Space
dc.typePresentations

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