EXPERIMENTAL STUDY ON NATURAL CONVECTIVE HEAT TRANSFER FROM A VERTICAL WAVY SURFACE HEATED AT CONVEX/CONCAVE ELEMENTS.

被引：0
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作者：
Kishinami, Koki
Saito, Hakaru
Tokura, Ikuo
机构：
来源：
Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B | 1987年 / 53卷 / 486期
关键词：
SURFACES - TEMPERATURE DISTRIBUTION;
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摘要：
Natural convective heat transfer from a vertical wavy surface with discontinuous heating has been studied experimentally by considering the effect of heat conduction in unheated elements. The wavy surface is constructed with concave and convex semicircular cylinder and has discontinuous heat sources on concave or convex surfaces. The behavior of the flow and the temperature distributions in the boundary layer of surfaces have been discussed to clarify the effect of heat conduction in the unheated elements on local Nusselt number for the case of convex- or concave-heating. Empirical formulas have been derived to predict the average Nusselt number along the wavy surface.
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页码：516 / 521
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