1996年是什么年
Measurement of Heat Transfer Coefficients for Axial Air Flow through Eccentric Annulus and
Seven-Rod Cluster512汶川地震
期刊名称： Journal of Nuclear Science and Technology车险买哪些
作者： TACHIBANA, Fujio,OYAMA, Akira,AKIYAMA, Mamoru,KONDO, Shunsuke 年份： 1969年
期号： 第4期山花子
关键词： n24300* --engineering--heat transfer & fluid flow;air;fuel elements;gas flow;heat transfer;mass;measurement air/heat transfer for axially flowing,
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through eccentric annulus and ven-rod cluster;reactor fuel
elements/asmblies of, heat transfer for air flowing through ven-rod;heat transfer/measurement for axial air flow through eccentric annulus and ven-rod cluster带水的诗句
摘要：The heat transfer characteristics of non-concentric annuli with various eccentricities and also of
小型微利企业a ven-rod cluster were experimentally determined by means of mass transfer technique. A coating of naphthalene was applied to the surface of the test rod and changes in its thickness measured. The mass transfer coefficients have been reprented in terms of Colburn''s j-factor, with which both the average and local values were analyzed. The measured average heat transfer j-factors were found to be in part equal to tho for smooth round ducts, but the circumferential variations of the local factors for the eccentric annulus did not agree with the theoretical prediction propod by Dwyer & Yu. The existence of condary flow in the ven-rod cluster is also discusd.清肺水果
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