Modeling steam condensation from steam-air mixture in the inclined tubes of an air-cooled condenser

被引：3

作者：

Artemov V.I. ^{[1
]}

Minko K.B. ^{[1
]}

Yan'Kov G.G. ^{[1
]}

机构：

[1] Moscow Power Engineering Institute National Research University, Moscow 111250

来源：

Thermal Engineering | 2014年 / 61卷 / 1期

基金：

俄罗斯基础研究基金会;

关键词：

air-cooled condensing installations; heat transfer; hydraulic resistance; mathematical model; steam condensation from a steam-gas mixture;

D O I：

10.1134/S0040601514010017

中图分类号：

学科分类号：

摘要：

Specific features pertinent to the flow of steam-gas mixture are discussed as applied to the inclined tubes of air-cooled condensers used in steam turbine units, and the condensate film annular flow and "streamlet" models are analyzed. The calculated results are compared with the data obtained by other researchers. It is shown that with relatively small flow rates of steam-gas mixture typical for air-cooled condensers, the restoration of pressure along the channel may exceed the losses connected with hydraulic resistance. Data on the influence of cooling air temperature on the condensation process are also presented. © 2014 Pleiades Publishing, Inc.

引用

页码：30 / 40

页数：10

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