Space exploration mission analyses for estimates of energetic particle fluence and incurred dose

Details Space exploration mission analyses for estimates of energetic particle fluence and incurred dose Space exploration mission analyses for estimates of energetic particle fluence and incurred dose

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..246..372n&link_type=abstract

Proceedings of the ninth symposium on space nuclear power systems. AIP Conference Proceedings, Volume 246, pp. 372-382 (1992).

Statistics

Computation

Lunar, Planetary, And Deep-Space Probes

Scientific paper

A computational procedure and data base is developed for manned space exploration missions in which estimates are made for energetic particle fluences encountered and the resulting dose equivalent incurred. The data base includes optional statistical and continuum models for ordinary solar proton events, options for selection of up to six observed large proton flare spectra, and galactic cosmic ray fluxes for elemental nuclei of charge numbers 1 through 92. The program requires as input trajectory definition information and specification of optional parameters, such as the selection of desired spectral data and nominal shield thicknesses. The procedure may be implemented as an independent program or as a subroutine in trajectory codes. To illustrate the application of the program, a representative manned Mars mission scenario is analyzed in which mission total particle fluences and incurred doses are predicted. The hypothetical mission chosen is similar to several recently proposed in which the crew proceeds from Earth to Mars in a nuclear thermal rocket powered vehicle, has a brief stay in the vicinity of Mars, and returns to Earth along a route that includes a Venus swingby.

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