Final report of Shield System Trade Study. Volume II. WANL support activities for shielding trade study

Technical Report · Wed Jul 01 00:00:00 EDT 1970

OSTI ID:4156771

Based on the trades made within this study BATH (mixture of B$sub 4$C, aluminum and TiH$sub 1$$.$$sub 8$) was selected as the internal shield material. Borated titanium hydride can also meet the criteria with a competitive weight but was rejected because of schedular constraints. A baseline internal shield design was accomplished. This design resulted in a single internal shield weighing about 3300 lb for both manned and unmanned missions. WANL checks on ANSC calculations are generally in agreement, but with some difference in the prediction of the effectiveness of the Boral liner. All of the alternate NSS concepts in the system weight reduction program were rejected. While some did save shield weight, they complicated the NSS design to an unacceptable degree. Studies were made of the feasibility of manual maintenance of NSS components outside of the pressure vessel. The requirements of the NSS components located forward of the internal shield were considered from a thermal and radiation damage standpoint. (auth)

• Research Organization: Aerojet Nuclear Systems Co., Azusa, Calif. (USA); Westinghouse Electric Corp., Pittsburgh, Pa. (USA). Astronuclear Lab.
• NSA Number: NSA-33-002406
• OSTI ID: 4156771
• Report Number(s): TID/SNA-1823
• Resource Relation: Other Information: Declassified 19 Sep 1975. Orig. Receipt Date: 30-JUN-76
• Country of Publication: United States
• Language: English

Related Subjects

N77800* -Reactors-Space
Mobile
Propulsion
Transportation & Package Reactors
220800* -Nuclear Reactor Technology-Propulsion Reactors
*NERVA REACTOR- SHIELDING
ANALOG SYSTEMS
COMPARATIVE EVALUATIONS
FEASIBILITY STUDIES
MATHEMATICAL MODELS
RADIATION DOSES
NESDPS Office of Nuclear Energy Space and Defense Power Systems