Estimates of Radiation Exposures to Crews on Missions in Cis-Lunar Space and on the Lunar Surface from the August 1972 SEP Event
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In work reported at the 2018 Intercontinental Conference on Environmental Systems, radiation doses in cis-lunar space for the August 1972 event, using the NASA design standard King spectrum, were compared with doses from the summed spectrum of the October 1989 series of events, recently-proposed as a new NASA design standard replacing the August 1972 event [1]. In this work we compare estimates of organ doses and effective doses, shielded by aluminum, for three representations of the August 1972 event spectrum: (1) King spectrum; (2) Langley Research Center spectrum; and (3) Band function representation. The estimates are made for missions in cis-lunar space and on the surface of Earth’s moon. Comparisons of organ doses will be made with NASA short-term exposure limits. [1] Townsend, L.W.; Adams, J.H.; Blattnig, S.R.; Clowdsley, M.S.; Fry, D.J.; Jun, I.;, McLeod, C.D.; Minow, J.I.; Moore, D.F.; Norbury, J.W.; Norman, R.B.; Reames, D.V.; Schwadron, N.A.; Semones, E.; Singleterry, R.C.; Slaba, T.C.;Werneth, C.M.; Xapsos, M.A.: Solar Particle Event Storm Shelter Requirements for Missions Beyond Low Earth Orbit, Life Sciences in Space Research, Vol 17, May 2018, pp. 32-39. Doi.org/ 10.1016/j.lssr.2018.02.002
Description
Wouter de Wet, University of New Hampshire, USA
Fahad Zaman, University of Tennessee, USA
ICES503: Radiation Issues for Space Flight
The 49th International Conference on Environmental Systems as held in Boston, Massachusetts, USA on 07 July 2019 through 11 July 2019.