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Neutronic analysis of the Three Mile Island Unit 2 ex-core detector response [electronic resource].

Published:
Argonne, Ill. : Argonne National Laboratory, 1981.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 37 : digital, PDF file
Additional Creators:
Argonne National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
A neutronic analysis has been made with respect to the ex-core neutron detector response during the TMI-2 incident. A series of transport theory calculations quantified the impact upon the detector count rate of various core and downcomer conditions. In particular, various combinations of coolant void content and spatial distributions were investigated to yield the resulting transmission of the photoneutron source to the detector. The impact of a hypothetical distributed source within the downcomer region was also examined in order to simulate the potential effect of the release of neutron producing fission products into the coolant. These results are then offered as potential explanations for the anomalous behavior of the detector during the period of approx. 20 minutes through approx. 3 hours following the reactor scram.
Report Numbers:
E 1.99:anl-81-75
anl-81-75
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
10/01/1981.
"anl-81-75"
"DE82004040"
Chang, Y.I.; Malloy, D.J.
Funding Information:
W-31-109-ENG-38
View MARC record | catkey: 14802421