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Simplified model for solar cosmic ray exposure in manned Earth orbital flightsA simple calculational model is derived for use in estimating solar cosmic ray exposure to critical body organs in low-Earth orbit at the center of a large spherical shield of fixed thickness. The effects of the Earth's geomagnetic field, including storm conditions and the astronauts' self-shielding, are evaluated explicitly. The magnetic storm model is keyed to the planetary index K(sub p).
Document ID
19900012399
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Wilson, John W. (NASA Langley Research Center Hampton, VA., United States)
Khandelwal, Govind S. (Old Dominion Univ. Norfolk, VA., United States)
Shinn, Judy L. (NASA Langley Research Center Hampton, VA., United States)
Nealy, John E. (NASA Langley Research Center Hampton, VA., United States)
Townsend, Lawrence W. (NASA Langley Research Center Hampton, VA., United States)
Cucinotta, Francis A. (Rockwell International Corp. Houston, TX., United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1990
Subject Category
Space Radiation
Report/Patent Number
NAS 1.15:4182
L-16738
NASA-TM-4182
Report Number: NAS 1.15:4182
Report Number: L-16738
Report Number: NASA-TM-4182
Accession Number
90N21715
Funding Number(s)
PROJECT: RTOP 199-22-76-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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