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Author : Francis A. Cucinotta
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)
Download or read book Calculations of Cosmic-ray Helium Transport in Shielding Materials written by Francis A. Cucinotta and published by . This book was released on 1993 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781729124345
Total Pages : 38 pages
Book Rating : 4.1/5 (243 download)
Download or read book Calculations of Cosmic-Ray Helium Transport in Shielding Materials written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-10-23 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transport of galactic cosmic-ray helium nuclei and their secondaries through bulk shielding is considered using the straight-ahead approximation to the Boltzmann equation. A data base for nuclear interaction cross sections and secondary particle energy spectra for high-energy light-ion breakup is presented. The importance of the light ions H-2, H-3, and He-3 for cosmic-ray risk estimation is discussed, and the estimates of the fractional contribution to the neutron flux from helium interactions compared with other particle interactions are presented using a 1977 solar minimum cosmic-ray spectrum. Cucinotta, Francis A. Langley Research Center RTOP 199-45-16-11
Author :
Publisher :
ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781792697661
Total Pages : 34 pages
Book Rating : 4.6/5 (976 download)
Download or read book Estimates of Galactic Cosmic Ray Shielding Requirements During Solar Minimum written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-31 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimates of radiation risk from galactic cosmic rays are presented for manned interplanetary missions. The calculations use the Naval Research Laboratory cosmic ray spectrum model as input into the Langley Research Center galactic cosmic ray transport code. This transport code, which transports both heavy ions and nucleons, can be used with any number of layers of target material, consisting of up to five different arbitrary constituents per layer. Calculated galactic cosmic ray fluxes, dose and dose equivalents behind various thicknesses of aluminum, water and liquid hydrogen shielding are presented for the solar minimum period. Estimates of risk to the skin and the blood-forming organs (BFO) are made using 0-cm and 5-cm depth dose/dose equivalent values, respectively, for water. These results indicate that at least 3.5 g/sq cm (3.5 cm) of water, or 6.5 g/sq cm (2.4 cm) of aluminum, or 1.0 g/sq cm (14 cm) of liquid hydrogen shielding is required to reduce the annual exposure below the currently recommended BFO limit of 0.5 Sv. Because of large uncertainties in fragmentation parameters and the input cosmic ray spectrum, these exposure estimates may be uncertain by as much as a factor of 2 or more. The effects of these potential exposure uncertainties or shield thickness requirements are analyzed. Townsend, Lawrence W. and Nealy, John E. and Wilson, John W. and Simonsen, Lisa C. Langley Research Center NASA-TM-4167, L-16715, NAS 1.15:4167 RTOP 199-04-16-11...
Author : Judy L. Shinn
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (31 download)
Download or read book An Efficient HZETRN written by Judy L. Shinn and published by . This book was released on 1992 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Anmerckungen über die ... Beantwortung der Nachricht ... publiciret worden written by and published by . This book was released on 1685 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : COSPAR. Scientific Assembly
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.F/5 ( download)
Download or read book Near-earth Radiation Environment Including Time Variations and Secondary Radiation written by COSPAR. Scientific Assembly and published by Elsevier Science & Technology. This book was released on 1995 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 2300 pages
Book Rating : 4.F/5 ( download)
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1967 with total page 2300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 2088 pages
Book Rating : 4.E/5 ( download)
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1966 with total page 2088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John W. Wilson
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Galactic and Solar Cosmic Ray Shielding in Deep Space written by John W. Wilson and published by . This book was released on 1997 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1068 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John William Wilson
Publisher :
ISBN 13 :
Total Pages : 496 pages
Book Rating : 4.:/5 (317 download)
Download or read book Shielding Strategies for Human Space Exploration written by John William Wilson and published by . This book was released on 1997 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the workshop was to define requirements for the development and evaluation of high performance shield materials and designs and to develop ideas regarding approaches to radiation shielding.
Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 2084 pages
Book Rating : 4.E/5 ( download)
Download or read book A Selected Listing of NASA Scientific and Technical Reports for 1966 written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1967 with total page 2084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1200 pages
Book Rating : 4.E/5 ( download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994-04 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary Eugene Musgrave
Publisher : Butterworth-Heinemann
ISBN 13 : 0080559220
Total Pages : 988 pages
Book Rating : 4.0/5 (85 download)
Download or read book Safety Design for Space Systems written by Gary Eugene Musgrave and published by Butterworth-Heinemann. This book was released on 2009-03-27 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in space safety lies in the acceptance of safety design and engineering as an integral part of the design and implementation process for new space systems. Safety must be seen as the principle design driver of utmost importance from the outset of the design process, which is only achieved through a culture change that moves all stakeholders toward front-end loaded safety concepts. This approach entails a common understanding and mastering of basic principles of safety design for space systems at all levels of the program organisation. Fully supported by the International Association for the Advancement of Space Safety (IAASS), written by the leading figures in the industry, with frontline experience from projects ranging from the Apollo missions, Skylab, the Space Shuttle and the International Space Station, this book provides a comprehensive reference for aerospace engineers in industry. It addresses each of the key elements that impact on space systems safety, including: the space environment (natural and induced); human physiology in space; human rating factors; emergency capabilities; launch propellants and oxidizer systems; life support systems; battery and fuel cell safety; nuclear power generators (NPG) safety; habitat activities; fire protection; safety-critical software development; collision avoidance systems design; operations and on-orbit maintenance. The only comprehensive space systems safety reference, its must-have status within space agencies and suppliers, technical and aerospace libraries is practically guaranteed Written by the leading figures in the industry from NASA, ESA, JAXA, (et cetera), with frontline experience from projects ranging from the Apollo missions, Skylab, the Space Shuttle, small and large satellite systems, and the International Space Station Superb quality information for engineers, programme managers, suppliers and aerospace technologists; fully supported by the IAASS (International Association for the Advancement of Space Safety)
Author :
Publisher :
ISBN 13 :
Total Pages : 1106 pages
Book Rating : 4.3/5 (243 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
