Voici les éléments 21-40 de 2229

    • Development of Improved Thermal Analysis Capabilities at the NASA Goddard Space Flight Center 

      Peabody, Hume; Yee, Eric (51st International Conference on Environmental Systems, 7/10/2022)
      Goddard Space Flight Center (GSFC) has been developing a framework of additional analysis capabilities to aid in the verification, development, and execution of thermal models using the OpenTD Application Programming ...
    • Providing Experimental Data for Dust Transport Models Using Novel Technology Aboard a Suborbital Lunar-g Test Flight 

      Sumlin, Benjamin; Meyer, Marit (51st International Conference on Environmental Systems, 7/10/2022)
      Human activity on extraterrestrial bodies such as the Moon or Mars will necessarily comprise extra-vehicular activity (EVA). Using the Apollo missions as historical evidence, dust will be a significant obstacle in the ...
    • Clothes Cleaning Research for Space Exploration 

      Ewert, Michael; Orndoff, Evelyne; Sivik, Mark; Niehaus, Kristi; Shearouse, William; Zinna, Jessica; Patterson, Steven; Muirhead, Dean; Jackson, W. Andrew (51st International Conference on Environmental Systems, 7/10/2022)
      As the National Aeronautics and Space Administration (NASA) plans to establish a sustainable presence on the Moon to prepare for missions to Mars, there is an increased need to find effective and sustainable laundry solutions ...
    • Chemical Vapor Deposition Methane Pyrolysis Enables Closed-loop Oxygen Recovery: Path to Flight 

      Childers, Amanda; Yates, Stephen; Parsons, Abigail; Spencer, Jeff; Smoke, Jason; Mehr, Mehrad (51st International Conference on Environmental Systems, 7/10/2022)
      Deep-space long-duration human exploration missions to Mars will require advanced oxygen recovery technologies. Honeywell Aerospace is developing a methane pyrolysis technology in partnership with NASA that would recover ...
    • Ionic Silver and Iodine Biocide Losses from Potable Water in ISS-Material Tubes under Stagnant Conditions 

      Muirhead, Dean; Adam, Niklas; Callahan, Michael (51st International Conference on Environmental Systems, 7/10/2022)
      Combinations of multiple different biocide-treated potable water solutions in multiple tube materials that are used in the International Space Station water distribution system were evaluated to determine the fate of the ...
    • A Review of Baseline Assumptions and Ersatz Waste Streams for Partial Gravity Habitats and Orbiting Microgravity Habitats 

      Muirhead, Dean; Moller, Stacey; Adam, Niklas; Callahan, Michael (51st International Conference on Environmental Systems, 7/10/2022)
      Highly efficient water management and recovery systems will be required to support human missions beyond the low Earth orbit of the International Space Station (ISS). A review of baseline assumptions for the human activities ...
    • Electrochemically-driven CO2 Removal using Anion Exchange Membranes for Spacecraft Cabin Air Revitalization 

      Matz, Stephanie; Setzler, Brian; Yan, Yushan (51st International Conference on Environmental Systems, 7/10/2022)
      Cabin CO2 removal remains a crucial obstacle to overcome for extended, manned deep space missions. Incumbent state-of-the-art CO2 removal technologies require frequent and costly maintenance. Numerous substitutes are being ...
    • Analysis on the Effect of Flow Interruption in the Oxygen Ventilation Loop on Inspired Carbon Dioxide 

      Andersen, Noah (51st International Conference on Environmental Systems, 7/10/2022)
      The Oxygen Ventilation Loop (OVL) of the Exploration Portable Life Support Subsystem (xPLSS) provides oxygen gas (O2) and removes water (H-2O) and carbon dioxide (CO2) from the Exploration Extravehicular Mobility Unit ...
    • Summary of Research and Outreach Activities during the 2021 Season of the EDEN ISS Antarctic Greenhouse 

      Vrakking, Vincent; Zabel, Paul; Dorn, Markus; Schubert, Daniel; Bunchek, Jess (51st International Conference on Environmental Systems, 7/10/2022)
      The EDEN ISS greenhouse is a space-analogue test facility near the German Neumayer Station III in Antarctica. The greenhouse design, construction, and test phase began in 2015, and the facility was deployed in January 2018. ...
    • Designing a hybrid approach for space analog missions in Brazil 

      Souza, Davi; Rezende, Julio; Santos, Luisa (51st International Conference on Environmental Systems, 7/10/2022)
      The COVID-19 pandemic induced a challengefull moment to carry out face-to-face space analog missions in Brazil, given that there could be a spread of the disease if one of the participants was infected, transmitting it to ...
    • Robocast Zeolitic Lattices For Reversible CO2 Sorbent Monoliths 

      Cesarano, Joe; Niehaus, Michael; Richardson, Tra-My Justine; Coker, Eric (51st International Conference on Environmental Systems, 7/10/2022)
      There is room for improvement for NASA's current systems used to control CO2 levels in a cabin's atmosphere. Currently, packed beds of granules of zeolite are used as sorbents for CO2 in NASA CO2-removal assemblies. ...
    • Development of an Inertial and Cold Trap Filter For Carbon Fines Management 

      Agui, Juan; Green, Robert D.; Berger, Gordon (51st International Conference on Environmental Systems, 7/10/2022)
      The Plasma Pyrolysis Assembly (PPA) is a methane processing technology that integrates with the Sabatier Reactor Assembly (SRA) to further advance oxygen loop closure for spaceflight. A problematic reaction byproduct of ...
    • Biologically Reliable Integration and Design for Growth Environments in Space (BRIDGES) 

      Souza, Davi; Shileikis, Eran; Bandemegala, Sai Tarun Prabhu (51st International Conference on Environmental Systems, 7/10/2022)
      Establishing sustainable architectures beyond existing environmental control and life support systems (ECLSS) into closed ecological environments is of utmost importance for long duration human spaceflight. BRIDGES facilitates ...
    • Additively-Manufactured, Net-Shape Adsorbent Beds for Carbon Dioxide Removal 

      Steppan, Jim; Hsu, Keng; Millet, Byron; Morikawa, Kai; Meaders, Tom (51st International Conference on Environmental Systems, 7/10/2022)
      Current and future human space exploration missions require an optimized air revitalization system (ARS) that can reduce the system mass, volume, and power, and also increase reliability. The ARS systems contain a carbon ...
    • Experimental Investigation of Minimum Cabin Sizes at Varying Gravity Levels 

      Lachance, Zachary; Akin, David; Hanner, Charles; Bolatto, Nicolas (51st International Conference on Environmental Systems, 7/10/2022)
      The return to the development of near-term human exploration missions beyond low Earth orbit has necessitated renewed investigation of low size, low mass, and cost-effective human spacecraft. However, very little experimental ...
    • Model and Full-Scale Testing of Outfitting Approaches for Inflatable Habitats 

      Bolatto, Nicolas; Merrill, Colby; Chawla, Ronak; Naylor, Olivia; Myers, Elizabeth; Akin, David (51st International Conference on Environmental Systems, 7/10/2022)
      Inflatable habitats feature prominently in many future space program concepts, but generally there is little focus on how the system transitions from its newly inflated configuration to a fully operational system. The ...
    • Development of an Autonomous Umbilical Tending System for Rover-Supported Surface EVAs 

      Bolatto, Nicolas; Fink, Robert; Martin, Joshua; Lachance, Zachary; Vishnoi, Rahul; Akin, David (51st International Conference on Environmental Systems, 7/10/2022)
      For surface extravehicular activities, no parameter is more impactful on the design of spacesuits than the "weight on the back," or the weight of the suit system that must be supported by the astronaut under gravity. The ...
    • Development and Testing of the BioBot EVA Support System 

      Hanner, Charles; Bolatto, Nicolas; Martin, Joshua; Gribok, Daniil; Akin, David (51st International Conference on Environmental Systems, 7/10/2022)
      With the resumption of human lunar exploration and plans for eventual Mars landings, extravehicular activities (EVAs) in gravitational environments will again become a primary focus. Geological exploration in early missions ...
    • Experiments on a Loop Heat Pipe with a 3D Printed Evaporator 

      Gupta, Rohit; Chen, Chien-Hua; Anderson, William (51st International Conference on Environmental Systems, 7/10/2022)
      The construction and testing of a loop heat pipe with a 3D printed evaporator is described in this paper. The system was developed as part of a larger engineering demonstration unit for thermal management on NASA's Volatiles ...
    • Thermal Amine Scrubber-- Operational Status, Optimization & Improvements 

      Ranz, Holden; Dionne, Steven; Papale, William; Garr, John (51st International Conference on Environmental Systems, 7/10/2022)
      The carbon dioxide (CO2) removal flight experiment known as "Thermal Amine Scrubber" (TAS), developed collaboratively by Collins Aerospace and Johnson Space Center, has been operating and scrubbing metabolically produced ...