Space radiation dosimetry on US and Soviet manned missions
Technical Report
·
OSTI ID:64261
- San Francisco Univ., CA (United States)
Radiation measurements obtained on board U.S. and Soviet spacecraft are presented and discussed. A considerable amount of data has now been collected and analyzed from measurements with a variety of detector types in low-Earth orbit. The objectives of these measurements have been to investigate the dose and Linear Energy Transfer (LET) spectra within the complex shielding of large spacecraft. The shielding modifies the external radiation (trapped protons, electrons, cosmic ray nuclei) which, in turn, is quite dependent on orbital parameters (altitude, inclination). For manned flights, these measurements provide a crew exposure record and a data base for future spacecraft design and flight planning. For the scientific community they provide useful information for planning and analyzing data from experiments with high sensitivity to radiation. In this paper, results of measurements by both passive and active detectors are described. High-LET spectra measurements were obtained by means of plastic nuclear track detectors (PNTD`s) while thermoluminescent dosimeters (TLD`s) measured the dose.
- Research Organization:
- San Francisco Univ., CA (United States)
- OSTI ID:
- 64261
- Report Number(s):
- N--95-25911; NASA-CR--197694; NAS--1.26:197694; CNN: NAS9-17389; NAG8-071
- Country of Publication:
- United States
- Language:
- English
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