Bounding The Spacecraft Atmosphere Design Space For Future Exploration Missions
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Bounding The Spacecraft Atmosphere Design Space For Future Exploration Missions
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-09-19
Bounding The Spacecraft Atmosphere Design Space For Future Exploration Missions written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-19 with Science categories.
The selection of spacecraft and space suit atmospheres for future human space exploration missions will play an important, if not critical, role in the ultimate safety, productivity, and cost of such missions. Internal atmosphere pressure and composition (particularly oxygen concentration) influence many aspects of spacecraft and space suit design, operation, and technology development. Optimal atmosphere solutions must be determined by iterative process involving research, design, development, testing, and systems analysis. A necessary first step in this process is the establishment of working bounds on the atmosphere design space.Lange, Kevin E. and Perka, Alan T. and Duffield, Bruce E. and Jeng, Frank F.Johnson Space CenterSPACECRAFT DESIGN; SPACE SUITS; DESIGN ANALYSIS; ATMOSPHERIC PRESSURE; LIFE SUPPORT SYSTEMS; SYSTEMS ANALYSIS; SPACE EXPLORATION; PRODUCTIVITY; INTERNAL PRESSURE
Bounding The Spacecraft Atmosphere Design Space For Future Exploration Missions
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Author :
language : en
Publisher:
Release Date : 2005
Bounding The Spacecraft Atmosphere Design Space For Future Exploration Missions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Artificial atmospheres (Space environment) categories.
The approach adopted in the current study was to define working bounds on the spacecraft cabin atmosphere pressure and oxygen concentration design space based on an initial assessment of requirements in three areas: 1. Respiratory Physiology 2. Decompression Sickness Prevention 3. Materials Selection. The resulting bounds are then combined to arrive at several plots of the spacecraft atmosphere design space for different values of the space suit pressure and decompression sickness risk parameter (tissue ratio).
Recapturing A Future For Space Exploration
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2012-01-30
Recapturing A Future For Space Exploration written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-30 with Science categories.
More than four decades have passed since a human first set foot on the Moon. Great strides have been made in our understanding of what is required to support an enduring human presence in space, as evidenced by progressively more advanced orbiting human outposts, culminating in the current International Space Station (ISS). However, of the more than 500 humans who have so far ventured into space, most have gone only as far as near-Earth orbit, and none have traveled beyond the orbit of the Moon. Achieving humans' further progress into the solar system had proved far more difficult than imagined in the heady days of the Apollo missions, but the potential rewards remain substantial. During its more than 50-year history, NASA's success in human space exploration has depended on the agency's ability to effectively address a wide range of biomedical, engineering, physical science, and related obstacles-an achievement made possible by NASA's strong and productive commitments to life and physical sciences research for human space exploration, and by its use of human space exploration infrastructures for scientific discovery. The Committee for the Decadal Survey of Biological and Physical Sciences acknowledges the many achievements of NASA, which are all the more remarkable given budgetary challenges and changing directions within the agency. In the past decade, however, a consequence of those challenges has been a life and physical sciences research program that was dramatically reduced in both scale and scope, with the result that the agency is poorly positioned to take full advantage of the scientific opportunities offered by the now fully equipped and staffed ISS laboratory, or to effectively pursue the scientific research needed to support the development of advanced human exploration capabilities. Although its review has left it deeply concerned about the current state of NASA's life and physical sciences research, the Committee for the Decadal Survey on Biological and Physical Sciences in Space is nevertheless convinced that a focused science and engineering program can achieve successes that will bring the space community, the U.S. public, and policymakers to an understanding that we are ready for the next significant phase of human space exploration. The goal of this report is to lay out steps and develop a forward-looking portfolio of research that will provide the basis for recapturing the excitement and value of human spaceflight-thereby enabling the U.S. space program to deliver on new exploration initiatives that serve the nation, excite the public, and place the United States again at the forefront of space exploration for the global good.
Advances In Potato Chemistry And Technology
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Author : Jaspreet Singh
language : en
Publisher: Academic Press
Release Date : 2009-07-22
Advances In Potato Chemistry And Technology written by Jaspreet Singh and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07-22 with Technology & Engineering categories.
Developments in potato chemistry, including identification and use of the functional components of potatoes, genetic improvements and modifications that increase their suitability for food and non-food applications, the use of starch chemistry in non-food industry and methods of sensory and objective measurement have led to new and important uses for this crop. Advances in Potato Chemistry and Technology presents the most current information available in one convenient resource.The expert coverage includes details on findings related to potato composition, new methods of quality determination of potato tubers, genetic and agronomic improvements, use of specific potato cultivars and their starches, flours for specific food and non-food applications, and quality measurement methods for potato products. Covers potato chemistry in detail, providing key understanding of the role of chemical compositions on emerging uses for specific food and non-food applications Presents coverage of developing areas, related to potato production and processing including genetic modification of potatoes, laboratory and industry scale sophistication, and modern quality measurement techniques to help producers identify appropriate varieties based on anticipated use Explores novel application uses of potatoes and potato by-products to help producers identify potential areas for development of potato variety and structure
Flammability And Sensitivity Of Materials In Oxygen Enriched Atmospheres
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Author : David B. Hirsch
language : en
Publisher: ASTM International
Release Date : 2006
Flammability And Sensitivity Of Materials In Oxygen Enriched Atmospheres written by David B. Hirsch and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Fire testing categories.
Systems Medicine For Human Spaceflight
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Author : Mark J Shelhamer
language : en
Publisher: World Scientific
Release Date : 2024-03-19
Systems Medicine For Human Spaceflight written by Mark J Shelhamer and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-19 with Medical categories.
This edited volume makes the case that a systems approach is needed for long-term spaceflight missions. Due to distance from Earth and the impossibility of resupply or rapid return, these flights will entail unprecedented autonomy on the part of the crew. This autonomy includes the need for local clinical decision support and other assistance with urgent medical concerns. The advantage of a systems approach to medical needs in human spaceflight is that it enables a systematic and repeatable methodology for identifying and developing the individual pieces of the spacecraft systems based on the human system needs that are unique to that problem and environment.The book begins by introducing a systems basis for thinking about humans in space. It describes existing models and paradigms of systems medicine, as well as the tools and analytical approaches involved. A tantalizing peek at preliminary applications of systems medicine in NASA is provided. As systems in human spaceflight continue to evolve for the foreseeable future, it is argued that a systems approach will help to ensure that the evolution of the relevant sub-systems is centered on optimal human-system function across the unique spaceflight needs of the developing customer base. The discussions on balancing the needs of the mission versus the maintenance of crew health, medical risk and liability for commercial spaceflights, and the need to anticipate what the next medical issues might be, will hopefully leave readers cautiously optimistic about this new frontier of applied science.
An Experimental Study Of Temperature And Radiation Characteristics Of Transient Spherical Diffusion Flames In Microgravity
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Author : Melissa Kay Chernovsky
language : en
Publisher:
Release Date : 2006
An Experimental Study Of Temperature And Radiation Characteristics Of Transient Spherical Diffusion Flames In Microgravity written by Melissa Kay Chernovsky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Space Biology And Medicine
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Author :
language : en
Publisher:
Release Date : 2009
Space Biology And Medicine written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Benefits Stemming From Space Exploration
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Author : Isecg
language : en
Publisher:
Release Date : 2013-10-24
Benefits Stemming From Space Exploration written by Isecg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-24 with categories.
Preventing The Forward Contamination Of Mars
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2006-04-22
Preventing The Forward Contamination Of Mars written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-22 with Science categories.
Recent spacecraft and robotic probes to Mars have yielded data that are changing our understanding significantly about the possibility of existing or past life on that planet. Coupled with advances in biology and life-detection techniques, these developments place increasing importance on the need to protect Mars from contamination by Earth-borne organisms. To help with this effort, NASA requested that the NRC examine existing planetary protection measures for Mars and recommend changes and further research to improve such measures. This report discusses policies, requirements, and techniques to protect Mars from organisms originating on Earth that could interfere with scientific investigations. It provides recommendations on cleanliness and biological burden levels of Mars-bound spacecraft, methods to reach those levels, and research to reduce uncertainties in preventing forward contamination of Mars.