Browsing International Conference on Environmental Systems by Title

Now showing items 1-20 of 2229

    • 2014 ISS Potable Water Characterization and Continuation of the Dimethylsilanediol Chronicle 

      Straub, John E. II; Plumlee, Debrah K.; Mudgett, Paul D. (45th International Conference on Environmental Systems, 2015-07-12)
      During 2014 the crews from Expeditions 38-41 were in residence on the International Space Station (ISS). In addition to the U.S. potable water reclaimed from humidity condensate and urine, the other water supplies available ...

    • 24 Hour Consumable-based Cooling System for Venus Lander 

      Lee, Kuan-Lin; Tarau, Calin (49th International Conference on Environmental Systems, 2019-07-07)
      To support NASA future Venus in-situ exploration missions, Advanced Cooling Technologies, Inc (ACT) is developing a Venus Lander thermal management system based on venting of a mixture cooling fluids. This system will allow ...

    • 30 Years of Thermally Controlled Imaging Spectrometers for Earth and Planetary Science 

      Green, Robert (46th International Conference on Environmental Systems, 2016-07-10)
      Since its inception spectroscopy has been used to pursue science and applications based on the interaction of light with matter on Earth, throughout the solar system, and for diverse astronomical objectives. Spectroscopic ...

    • 3D Modeling of Human Thermal Interaction in Complex Environments using the Wissler Human Thermal Model 

      Cognata, Thomas; Durrant, Tom (44th International Conference on Environmental Systems, 2014-07-13)
      Models for human thermal evaluation in extreme environments have played a key role in life support, suit, and crewed vehicle development at NASA for many decades. These models, which include the 41-Node Metabolic Man and ...

    • 3D Printed Thermal Management System for the Next Generation of Gallium Nitride-based Solid State Power Amplifiers 

      Ababneh, Mohammed; Tarau, Calin; Anderson, William (49th International Conference on Environmental Systems, 2019-07-07)
      Current Gallium Nitride (GaN)-based solid state power amplifiers (SSPAs) are limited in their operational capabilities due to the limitations of the overall thermal management system in dissipating the high heat fluxes. ...

    • 3D-Printing Lunar and Martian Habitats and the Potential Applications for Additive Construction 

      Roman, Monserrate; Yashar, Melodie; Fiske, Michael; Nazarian, Shadi; Adams, Amanda; Boyd, Platt; Bentley, Michael; Ballard, Jason (2020 International Conference on Environmental Systems, 2020-07-31)
      In 2015, the NASA Centennial Challenges program launched the 3D-Printed Habitat (3DPH) competition to develop housing solutions for extended-duration missions on planetary surfaces using advanced additive construction ...

    • 4-Bed CO2 Scrubber – From Design to Build 

      Cmarik, Gregory; Knox, James; Peters, Warren (2020 International Conference on Environmental Systems, 2020-07-31)
      Four-bed technology is an International Space Station (ISS) mainstay for metabolic Carbon Dioxide (CO2) removal and crew life support. The current generation is known as the Carbon Dioxide Removal Assembly (CDRA) and has ...

    • 4BCO2 EDU Performance 

      Peters, Warren; Cmarik, Gregory; Knox, James (50th International Conference on Environmental Systems, 7/12/2021)
      NASA is reducing the power, volume and mass requirements on future CO2 (Carbon Dioxide) removal systems for exploration missions. To meet this goal, a 4BCO2 flight experiment based on 4BMS (Four Bed Molecular Sieve) ...

    • 4BMS-X Design and Test Activation 

      Peters, Warren; Knox, James (47th International Conference on Environmental Systems, 2017-07-16)
      In support of the AES (Advanced Exploration Systems) goals to reduce power, volume and mass requirements on future CO2 (Carbon Dioxide) removal systems for exploration missions, a 4BMS (Four Bed Molecular Sieve) test bed ...

    • 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 ...

    • A Cabin CO2 Adsorption System for a Novel Medium-range Aircraft Concept 

      Berres, Axel; Niemeyer, Philipp; Milow, Barbara (2020 International Conference on Environmental Systems, 2020-07-31)
      In the ATLAS project, a concept study of a medium-range aircraft was carried out. For this purpose, novel technologies such as the extraction of oxygen, the control of CO2 in the cabin air as well as hybrid laminar flow ...

    • A Cloud Computing Infrastructure to Support xEMUs and Future EVAs 

      Manlucu, John; Ahsan, Najya; Robinson, Ruth; Vandi, Michael; Baker, Kaitlyn; Vincenti, Giovanni (51st International Conference on Environmental Systems, 7/10/2022)
      EVAs are arguably one of the most dangerous parts of a mission. With the advent of xEMUs, the safety and toolkit of an astronaut is greatly augmented; however, there are still significant limitations imposed by the ...

    • A CO2 controller enabling cell culture research inside automated incubator onboard the ISS 

      Tozer, Stuart; Stodieck, Louis; Hoehn, Alexander; Anthony, Jonathan (46th International Conference on Environmental Systems, 2016-07-10)
      The majority of all Earth-based mammalian tissue and cell culture research is conducted in “CO2 incubators” where both the air temperature and concentration of carbon dioxide is precisely controlled to ensure optimal cell ...

    • A Concept Demonstrator for an Additively Manufactured Li-ion Battery Case with Embedded Heat Pipes 

      Furst, Benjamin; Bugga, Ratnakumar; Roberts, Scott (2020 International Conference on Environmental Systems, 2020-07-31)
      A successful concept demonstrator for an Additively Manufactured (AM) Li-ion battery case is presented. The novel battery case contains a conformal heat pipe with a complex internal wick structure to efficiently remove ...

    • A Cost Analysis of the use of In Situ Space Resources for Sustainable Habitation on the Moon and Mars 

      Miyajima, Hiroyuki (51st International Conference on Environmental Systems, 7/10/2022)
      Commercial space launch companies have been drastically reducing their launch costs in recent years. This may change space logistics for future lunar and Mars missions. Staging points in the lunar orbit can be used to ...

    • A Diagnostics Model for Detecting Leak Severity in a Regenerable CO2 Removal System 

      Eshima, Samuel; Nabity, James; Mohany, Ayush; Rozas, Heraldo; Gebraeel, Nagi (51st International Conference on Environmental Systems, 7/10/2022)
      Human spaceflight beyond Earth orbit will experience high latency in communication and data transmission requiring autonomous deep space habitats that can keep the crew alive when present and keep the habitat "alive" when ...

    • A Geology Sampling System for Small Bodies 

      Naids, Adam; Hood, A. Drew; Graff, Trevor; Abell, Paul; Buffington, Jesse (46th International Conference on Environmental Systems, 2016-07-10)
      Human exploration of small bodies is being investigated as a precursor to a Mars surface mission. Asteroids, comets, dwarf planets, and the moons of Mars all fall into this small bodies category and some are being discussed ...

    • A Guide for Evaluating Spacecraft Environmental Control & Life Support Systems (ECLSS) Technology Developments 

      Cowan, Darnell; Abney, Morgan; Broyan, James; Perry, Jay; Delzeit, Lance; Meyer, Marit; Melendez, Orlando; Williams, David (51st International Conference on Environmental Systems, 7/10/2022)
      Environmental Control and Life Support Systems (ECLSS) are the core of any human spacecraft or habitat and are key to the astronaut's survival during missions. NASA continues to invest in the development of ECLSS technology ...

    • A Low-power medical Oxygen Concentrator 

      Alptekin, Gokhan; Bruinsma, Douwe; Jayaraman, Ambalavan; Bernal, Casey; Wall, Byron (46th International Conference on Environmental Systems, 2016-07-10)
      An on-board oxygen concentrator is required during long duration manned space missions to supply medical oxygen. The commercial medical oxygen generators based on pressure swing adsorption (PSA) are large and highly power ...

    • A mission concept to study multigenerational mammalian reproduction 

      Rodgers, Erica; Simon, Matt; Chai, Patrick; Lewis, Weston; Neilan, Jim; Stillwagen, Fred; Williams, Phillip (46th International Conference on Environmental Systems, 2016-07-10)
      A team at NASA Langley Research Center conducted a study during which a conceptual space mission was designed. In this study, rodents are used as human analogs to gather biological and systems data in a relevant environment ...