Now showing items 41-60 of 26110

    • U.S. Spacesuit Knowledge Capture – Documenting the Anatomy of a Spacesuit 

      Chullen, Cinda; Oliva, Vladenka (2020 International Conference on Environmental Systems, 2020-07-31)
      After more than 45 years since the United States last landed humans on the Moon, Space Policy Directive-1 now directs NASA to return astronauts to the Moon by 2024, followed by missions to Mars and beyond. To assist in the ...
    • Range of Motion (ROM) Analysis for Pressure Garments (EVA and LES) using 3D Photogrammetric Motion Capture 

      Hall, Dillon; Dunbar, Bonnie; Burke, Paul; Hajda, Callen (2020 International Conference on Environmental Systems, 2020-07-31)
      Understanding work envelope (reach) and range of motion (ROM) is a critical component of pressure garment (EVA and LES) design. In comparison to methods used in the Apollo program involving the use of goniometers and 2D ...
    • Power Optimization of Cryogenic CO2 Deposition Capture in Deep Space 

      Jagtap, Pranav; Belancik, Grace; Jan, Darrell; Hall, Scott; Chen, Weibo (2020 International Conference on Environmental Systems, 2020-07-31)
      An extremely reliable cabin air revitalization system is needed for human deep space exploration missions. Deep space offers an environmental temperature close to 4 Kelvin. This low environmental temperature enables heat ...
    • Effect of Flow Velocity and VOCs on Ammonia Adsorption in Acid Impregnated Activated Carbon Sorbents 

      Finn, Joshua; Monje, Oscar; Kayatin, Matthew; Perry, Jay (2020 International Conference on Environmental Systems, 2020-07-31)
      The current trace contaminant control subassembly (TCCS) aboard the International Space Station (ISS) includes a packed bed containing Barnebey-Sutcliffe Type 3032 (BS-3032) activated carbon to control ammonia levels in ...
    • A Biomechanical Design Framework to Improve Spacesuit Boot Fit 

      Boppana, Abhishektha; Anderson, Allison (2020 International Conference on Environmental Systems, 2020-07-31)
      The current trace contaminant control subassembly (TCCS) aboard the International Space Station (ISS) includes a packed bed containing Barnebey-Sutcliffe Type 3032 (BS-3032) activated carbon to control ammonia levels in ...
    • Solar Array Configurations for the Moon Village 

      Halbach, Eric; Inocente, Daniel; Haney, Max; Katz, Neil; Petrov, Georgi I. (2020 International Conference on Environmental Systems, 2020-07-31)
      The Moon Village master plan is an architectural concept for a sustainable, international human outpost on the rim of Shackleton Crater near the lunar South Pole. This site receives nearly continuous sunlight throughout ...
    • Poisoning Evaluation of On-Orbit Sabatier Assembly 

      Carpenter, Joyce; Yu, Ping; Woods, Julius; Goberman, Daniel; Galvin, Lynda; Garr, John; Ulrich, Bettylynn (2020 International Conference on Environmental Systems, 2020-07-31)
      The Sabatier Assembly (SA) P/N SV1015510-1 was designed by Collins Aerospace to partially close the life support loop on ISS by reacting two waste gases (carbon dioxide and hydrogen) to form water (and waste methane). ...
    • Preliminary Testing of Electrolytic Silver Ion Generation for Spacecraft Potable Water Systems 

      Hicks, Phillip; Nelson, Jason (2020 International Conference on Environmental Systems, 2020-07-31)
      Anodic dissolution of silver electrodes, or “silver electrolysis,” is being investigated as a means of imparting biocidal silver into potable water on exploration spacecraft. This method of water disinfection is used ...
    • Influence of Orbit and Thermal Design Parameters on the Temperature Behaviour of CubeSats - Implications for Thermal Analysis and Thermal Hardware Demands 

      Hager, Philipp; Janzer, Katja (2020 International Conference on Environmental Systems, 2020-07-31)
      In this paper we investigate the impact of different parameters on the thermal behavior of common CubeSats. Thermal aspects are often treated as an afterthought in the design process of CubeSats. In the past, CubeSats were ...
    • Development of a Proof-of-Concept Laser Pyrolysis Assembly (LPA) 

      Crotzer, Tom; Hooper, Ryan (2020 International Conference on Environmental Systems, 2020-07-31)
      Recovery of oxygen from metabolic carbon dioxide on-board a spacecraft is currently based on the Sabatier reaction. At present, methane, which is a Sabatier effluent, is vented as waste. Processing this effluent, however, ...
    • Preliminary Investigation of the Design of a Mechanically Antagonistic, Actuating Countermeasure Garment 

      Granberry, Rachael; Abel, Julianna; Holschuh, Brad (2020 International Conference on Environmental Systems, 2020-07-31)
      Countermeasure garments are worn by all NASA crew during Earth reentry, landing, and egress in accordance with NASA-STD-3001. These lower-body compression garments are designed to mitigate lower body blood pooling, which ...
    • Flight Results For The Multiphase Flow Experiment For Suborbital Testing Payload 

      Miller Hurlbert, Kathryn; Kurwitz, Cable; Nguyen, Hiep; Moeller, Chad; Duvall, Dean; Williams, Rube (2020 International Conference on Environmental Systems, 2020-07-31)
      This paper provides an overview of the Multiphase Flow Experiment for Suborbital Testing (MFEST) payload flown on Virgin Galactic’s SpaceShipTwo. The NASA Johnson Space Center, Crew and Thermal Systems Division had previously ...
    • Thermal Design of Upper Boost Stage with Hybrid Kick Motor for Microspacecraft 

      Tabata, Kenichi; Totani, Tsuyoshi; Matsushima, Kohei; Nagata, Harunori (2020 International Conference on Environmental Systems, 2020-07-31)
      This paper proposes thermal design of the upper boost stage with a hybrid kick motor for increasing the deep space exploration from a geostationary transfer orbit by microspacraft. The oxidizer of the hybrid kick motor is ...
    • Advanced Thermal, Radiation, and Dust Protection for Spacesuits and Space Systems 

      Paige, Cody; Newman, Dava; Peter, Jonah (2020 International Conference on Environmental Systems, 2020-07-31)
      Future planetary exploration missions will directly expose astronauts to constant galactic cosmic radiation (GCR). To send humans back to the lunar surface and on to Mars, NASA, academia and industry must develop the methods ...
    • Analysis of Sensitivity to Parameter Variations in the Design of Filtration Systems for a NASA Carbon Capture Application 

      Andreas, Nicos; Cox, Christopher (2020 International Conference on Environmental Systems, 2020-07-31)
      "The problem of interest is the design of a cross flow filter to capture carbon nanoparticles that occur as a byproduct in the process used to convert carbon dioxide to water and oxygen, in particular the stage in which ...
    • Urine Processing and Water Recovery using Electro Oxidation and Membrane Evaporator 

      Arai, Tatsuya; Fricker, John (2020 International Conference on Environmental Systems, 2020-07-31)
      The Electro Oxidation and Membrane Evaporator (EOME) is a partial gravity compatible urine processor to oxidize urine and recover water from urine. The EOME purifies wastewater (augmented urine, flush water, and optional ...
    • The Bionomic Design and Mixed Reality as Passive Countermeasures in Terrestrial Analogs and Extraterrestrial Habitats 

      Bishop, Sheryl; Haeuplik-Meusburger, Sandra; Bannova, Olga; Camba, Jorge; Jurblum, Marc (2020 International Conference on Environmental Systems, 2020-07-31)
      "Convergent research from architectural design, evolutionary psychology and human cognition suggests links between sensed structural patterns of the living environment and the functional efficacy and quality of life ...
    • Applying the Thermal Design Method Based on Overall Heat Capacity to Microsatellites 

      Ota, Hajime; Yoshii, Kei; Totani, Tsuyoshi (2020 International Conference on Environmental Systems, 2020-07-31)
      Microsatellites differ from large and medium satellites in that the former have smaller masses, sizes, power resources, and development periods compared with the latter. Thus, a different thermal design method is required ...
    • Evaluation and Performance of a Regenerable Porous Metal Alloy Filter to Remove Carbon Particulates from a Plasma Pyrolysis Reactor Effluent 

      Agui, Juan; Black, Cara; Jones, Jacob; Berger, Gordon (2020 International Conference on Environmental Systems, 2020-07-31)
      NASA is exploring a microwave-based plasma pyrolysis technology to increase oxygen recovery and advance loop closure of life support systems on the International Space Station (ISS) and future manned spacecraft. The Plasma ...
    • Thermal Modelling of CubeSats in ESATAN-TMS: A Modular Approach 

      te Nijenhuis, Arne K.; Brouwer, Hugo S. B.; Jonsson, Martin; van Benthem, Roel C.; Bloem, Edwin A.; Vollmuller, Bert-Johan (2020 International Conference on Environmental Systems, 2020-07-31)
      "Miniaturization has allowed CubeSats to enter the domains of Earth observation, RF-oriented missions, and astronomy, surpassing its original intention of being an educational instrument. With the increase in power density, ...