Nucleate pool boiling characteristics from coated tube bundles in saturated R-134a

被引：45

作者：

Hsieh, SS ^{[1
]}

Huang, GZ ^{[1
]}

Tsai, HH ^{[1
]}

机构：

[1] Natl Sun Yat Sen Univ, Dept Mech & Electromech Engn, Kaohsiung 80424, Taiwan

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2003年 / 46卷 / 07期

关键词：

D O I：

10.1016/S0017-9310(02)00380-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Nucleate pool boiling heat transfer from plasma coated copper tube bundles with porous copper (Cu) immersed in saturated R-134a was experimentally studied. The bundle is composed of 15 tubes (of which the number of heated/ instrumented tubes was varied) arranged in four different configurations with a pitch-to-diameter ratio of 1.5. The influences of various parameters, for instance, bundle arrangements and heat flux were clarified. Tests were conducted with both increasing and decreasing the heat flux. The data presented indicated that at low heat fluxes, the vertical-in-line tube bundles have the highest bundle factor. A configuration factor was proposed which can be used to characterize the geometric arrangements of the bundles. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：1223 / 1239

页数：17

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