Sensitivity of Solar Energetic Particle Event Doses to Spectral Hardness 2005-01-2830
Doses in critical body organs of human crews in interplanetary space from energetic solar particle events (SPE) vary widely with the size and spectral hardness of the event. In this work, we present a study of the sensitivities of calculated doses to the skin, ocular lens of the eye, and bone marrow, for crewmembers in deep space, to variations in solar energetic particle event fluence levels and spectral hardness. The calculations are performed by incrementally varying the fluence levels and spectral hardness and tracking changes in organ doses as a function of these variations. For simplicity in interpreting the results, we use the rigidity parameterization form for the SPE integral fluences. It was found that for harder spectra the doses are much larger and decrease less rapidly with increased shielding.
Citation: Campbell, C., Miller, T., Nichols, T., Edwards, J. et al., "Sensitivity of Solar Energetic Particle Event Doses to Spectral Hardness," SAE Technical Paper 2005-01-2830, 2005, https://doi.org/10.4271/2005-01-2830. Download Citation
Author(s):
Christina E. Campbell, Thomas M. Miller, Theodore F. Nichols, John R. Edwards, Hanna M. Moussa, Lawrence W. Townsend
Affiliated:
Department of Nuclear Engineering, The University of Tennessee
Pages: 6
Event:
International Conference On Environmental Systems
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 2005 Transactions Journal of Aerospace-V114-1
Related Topics:
Particulate matter (PM)
Sun and solar
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