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Freezing controlled penetration of molten metals flowing through stainless steel tubes [electronic resource].

Published
Argonne, Ill. : Argonne National Laboratory, 1985.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 11 : 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
The freezing controlled penetration potential of molten metals flowing within stainless steel structure is important to the safety assessment of hypothetical severe accidents in liquid metal reactors. A series of scoping experiments has been performed in which molten stainless steel and nickel at various initial temperatures and driving pressures were injected downward and upward into 6.4 and 3.3 mm ID stainless steel tubes filled with argon gas and initially at room temperature. In all tests, there was no evidence that the solid tube wall was wetted by the molten metals. The penetration phenomena are markedly different for downward versus upward injections. The dependency upon tube orientation is explained in terms of the absence of wetting. Complete plugs were formed in all experiments halting the continued injection of melt. Calculations with a fluid dynamics/heat transfer computer code show that the injected masses limited by plugging are consistent with freezing through the growth of a stable solidified layer (crust) of metal upon the solid tube wall. 23 refs., 5 figs., 2 tabs.
Report Numbers
E 1.99:conf-850810-28
conf-850810-28
Subject(s)
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Note
Published through SciTech Connect.
01/01/1985.
"conf-850810-28"
"DE85018394"
National heat transfer conference, Denver, CO, USA, 4 Aug 1985.
Vetter, D.L.; Sienicki, J.J.; Spencer, B.W.; Wesel, R.H.
Funding Information
W-31-109-ENG-38
View MARC record | catkey: 14369158