AN INVESTIGATION INTO EFFECTS OF VARIOUS PLATINGS ON FILM COEFFICIENT DURING NUCLEATE BOILING FROM HORIZONTAL TUBES

被引:25
作者
BLISS, FE
HSU, ST
CRAWFORD, M
机构
[1] Mechanical Engineering Department, Virginia Polytechnic Institute, Blacksburg
关键词
D O I
10.1016/0017-9310(69)90115-X
中图分类号
O414.1 [热力学];
学科分类号
摘要
Tests were conducted using stainless-steel tubes heated electrically from which nucleate boiling took place. These tests were repeated when the tubes had been plated with a thin layer of different materials. Plating materials used were copper, zinc, tin, nickel, cadmium, and chromium. It was found that the presence of the plating resulted in a change in the film coefficient by as much as 200 to 300 per cent in the case of copper or zinc. An analytical solution was obtained for the action of a single bubble on a flat plate. From this solution it is concluded that the effect of the plating material is not due solely to its thermal properties. © 1969.
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页码:1061 / +
页数:1
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