CORROSION PRODUCT DEPOSITION AND RELEASE AT NUCLEAR-FUEL SHEATHS IN BOILING WATER

被引:4
作者
BURRILL, KA
机构
关键词
D O I
10.5006/0010-9312-35.2.84
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Deposition and release mechanisms for corrosion products at nuclear fuel element surfaces in boiling water are considered in detail. Particles deposit from turbulent eddies, as in non-boiling water. Also, water which evaporates at nucleation sites causes a convective flow normal to the heating surface. Particles in the convective flow are filtered as the water percolates through deposits to reach nucleation sites. Results from an in-reactor experiment are used to postulate a spalling mechanism which depends on surface heat flux.
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页码:84 / 88
页数:5
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