Physics
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aiaa.meetqz...g&link_type=abstract
AIAA, Aerospace Sciences Meeting and Exhibit, 31st, Reno, NV, Jan. 11-14, 1993, 12 p.
Physics
Earth Orbital Environments, Radiation Dosage, Radiation Shielding, Spacecraft Design, Optimization, Radiation Hazards, Solar Protons, Trapped Particles, Weight Reduction
Scientific paper
Many space missions, such as crewed flights and those carrying sensitive electronics, are constrained by a maximum allowable radiation dose to materials inside the vehicle. A modification to the orbit can reduce the radiation dose and may be an advantageous solution. This paper describes the control of spacecraft natural radiation dose with the optimization of orbit and shielding thickness. Trapped particle and solar proton models have been implemented; however, the galactic cosmic ray contribution has not been included at this point. Established optimization techniques are applied to the problem, and several earth orbiting mission scenarios are explored. Mission specific optimizations are also performed by applying weighting schemes to the design parameters.
Gates Michele M.
Lewis Mark J.
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