Radiation calculations and comparisons with data

Details Radiation calculations and comparisons with data Radiation calculations and comparisons with data

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ldef.symp...22a&link_type=abstract

In NASA, Langley Research Center, First LDEF Post-Retrieval Symposium Abstracts p 22 (SEE N91-24972 16-99)

Statistics

Applications

Dosimeters, Galactic Radiation, Ionizing Radiation, Long Duration Exposure Facility, Radiation Dosage, Radiation Effects, Albedo, Aluminum, Atmospheric Radiation, Radiation Shielding, Radiation Sources, Radioactivity, Shafts (Machine Elements), Stainless Steels

Scientific paper

In conjunction with the analysis of data from the Long Duration Exposure Facility (LDEF) ionizing radiation dosimetry, a calculation program was established to aid in data interpretation and to assess the accuracy of current radiation environments and effects models for future mission applications. Initial estimates of LDEF exposure to trapped, galactic, and atmospheric (albedo) radiation sources were made, and the radiation environment (primary and secondary particle spectra) and several radiation effects (induced radioactivity and dose) for varying amounts of LDEF shielding were calculated for a simplified LDEF mass model. Preliminary comparisons of the calculated results were made with the induced radioactivity measurements for several LDEF parts and with preliminary dose data from several experiments (P0004, P0006, and M0004). Predictions were compared with the radioactivity induced in the aluminum clamps holding the experiment trays and in the stainless steel trunnions to test a recently developed theory of trapped proton anisotropy.

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