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Transient quenching of superheated debris beds during bottom reflood [electronic resource].

Published:
Upton, N.Y. : Brookhaven National Laboratory, 1984.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 16 : digital, PDF file
Additional Creators:
Brookhaven National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The experimental data suggest that for small liquid supply rate and low initial particle temperature, the bed quench process is a one-dimensional frontal phenomenon. The bed heat flux is constant during most of the duration of the quench period. The range of conditions which display one-dimensional frontal cooling characteristics is identified as the deep bed regime of bed quenching, and a limiting mathematical model was developed to describe the observed behavior. For large liquid supply rate and high initial bed temperature, the bed quench process is a complex phenomenon. Under these conditions, the bed heat flux displays a nonuniform time dependence. In order to characterize this shallow bed regime, it was necessary to develop a detailed transient model of the coolant-debris interaction. This model, while developed for the shallow bed regime, also applies to the deep bed regime. Numerical computations clearly demonstrate the importance of developing a general reliable model for the solid-fluid heat transfer coefficients.
Report Numbers:
E 1.99:bnl-nureg-35287
E 1.99: conf-841174-8
conf-841174-8
bnl-nureg-35287
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Note:
Published through SciTech Connect.
01/01/1984.
"bnl-nureg-35287"
" conf-841174-8"
"TI85000885"
5. information exchange meeting on debris coolability, Los Angeles, CA, USA, 7 Nov 1984.
Klein, J.; Ginsberg, T.; Tutu, N.K.; Schwarz, C.E.; Klages, J.
Funding Information:
AC02-76CH00016
View MARC record | catkey: 14365685