Condensation heat transfer on noncircular pipes in stationary vapor

被引：6

作者：

Semenov, V. ^{[1
]}

Nikitin, N. ^{[1
]}

机构：

[1] Magnitogorsk State Univ, Chelyabinsk 455000, Russia

来源：

HEAT TRANSFER RESEARCH | 2008年 / 39卷 / 04期

关键词：

D O I：

10.1615/HeatTransRes.v39.i4.50

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

There is a mathematical model for condensation heat transfer on noncircular horizontal tubes with optional cross-section profile. This model is developed taking into account the surface tension force. In this report, we present calculations for local and medium condensate-film thickness and average condensation heat transfer rate for three types of smooth horizontal tubes. The conditions to optimize the cross-section form are determined. These conditions are connected with condensate-film thickness allocation on the condensation surface. In addition, geometric restrictions on the form of these profiles are presented.

引用

页码：317 / 326

页数：10

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