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What is Evaluation Of Space Radiation Safety Procedures In The Design And Operation Of Some Early Manned Lunar Vehicles about?

This paper presents some of the results of investigations undertaken to determine the degree of radiation safety result ing from different lunar spacecraft design and mission opera tions. Included in the latter are the shaping of the trajectory to minimize time spent in the Van Allen Belt and the scheduling of launchings during periods of low solar activity. In the eval uation, a number of lunar vehicle preliminary configurations were analyzed. This procedure represented a departure from earlier work, which considered only regularly shaped bodies made up of one elementary material. In this more recent study, we used actual compound materials in the proper weight and stratified position applicable to each configuration. Also included is an examination of a separate radiation "storm cellar" as well as the radiation protection afforded by additional "spot" shielding within the cabin. Models of the ra diation environments developed for the investigation are also presented. It has been determined that a very significant fac tor in the crew radiation exposure levels is the attenuation af forded by the materials of the basic spacecraft--and that this varies considerably among lunar spacec

Author

A.J. Beck; E. Divita; S.L. Russak

Publisher

Elsevier

Published

1961

Language

EN