Open AccessAn evaluation of life extension of the HFIR pressure vessel. Supplement 1
Author(s) -
R.D. Cheverton
Publication year - 1996
Language(s) - English
Resource type - Reports
DOI - 10.2172/425356
Subject(s) - hydrostatic pressure , pressure vessel , nuclear engineering , hydrostatic test , hydrostatic equilibrium , materials science , nuclear physics , physics , mechanics , engineering , composite material , quantum mechanics
Preliminary analyses were performed in 1994 to determine the remaining useful life of the HFIR pressure vessel. The estimated total permissible life was {approximately} 50 EFPY (100 MW). More recently, the analyses have been updated, including a more precise treatment of uncertainties in the calculation of the hydrostatic-proof-test conditions and also including the contribution of gammas to the radiation-induced reduction in fracture toughness. These and other refinements had essentially no effect on the predicted useful life of the vessel or on the specified hydrostatic proof-test conditions
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