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Quenching phenomena in natural circulation loop [electronic resource].

Published
Rockville, Md. : U.S. Nuclear Regulatory Commission, 1995.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
pages 487-496 : digital, PDF file
Additional Creators
U.S. Nuclear Regulatory Commission and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Quenching phenomena has been investigated experimentally using circulation loop of liquid nitrogen. During the quenching under natural circulation, the heat transfer mode changes from film boiling to nucleate boiling, and at the same time flux changes with time depending on the vapor generation rate and related two-phase flow characteristics. Moreover, density wave oscillations occur under a certain operating condition, which is closely related to the dynamic behavior of the cooling curve. The experimental results indicates that the occurrence of the density wave oscillation induces the deterioration of effective cooling of the heat surface in the film and the transition boiling regions, which results in the decrease in the quenching velocity.
Report Numbers
E 1.99:nureg/cp--0142-vol.1
E 1.99: conf-950904--vol.1
conf-950904--vol.1
nureg/cp--0142-vol.1
Subject(s)
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Note
Published through SciTech Connect.
09/01/1995.
"nureg/cp--0142-vol.1"
" conf-950904--vol.1"
"TI95017077"
": Grant 05750203"
7. international topical meeting on nuclear reactor thermal-hydraulics (Nureth-7), Saratoga Springs, NY (United States), 10-15 Sep 1995.
Umekawa, Hisashi; Ozawa, Mamoru; Ishida, Naoki.
View MARC record | catkey: 14113462