Personnel radiation exposure in HTGR and LWR plants

Technical Report · Sat Sep 01 00:00:00 EDT 1979

DOI:https://doi.org/10.2172/5856809· OSTI ID:5856809

Engholm, B. A.

Occupational radiation exposures at HTGR plants were compared with those at typical LWR facilities. Actual man-rem accumulations at the Peach Bottom 1 HTGR and at the Fort St. Vrain HTGR have been substantially lower than those at LWRs with similarly rated powers, when compared on the basis of man-rem/GW(e)y. The expected exposure rate for a large HTGR steam cycle or gas turbine unit is 70 man-rem/GW(e)y, while the design basis is 180 man-rem/GW(e)y. The results from Peach Bottom and FSV lend credence to these predictions, as do the exposures experienced in CO/sub 2/-cooled reactors with PCRVs. The comparable figure for actual LWR experience is 570 man-rem/GW(e)y.

• Research Organization: General Atomic Co., San Diego, CA (USA)
• DOE Contract Number: AT03-76ET35300
• OSTI ID: 5856809
• Report Number(s): GA-A-15569
• Country of Publication: United States
• Language: English

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