The effect of intensifiers of heat transfer on the thermohydraulic properties of channels

被引：3
|
作者：
Leontiev, A. I. [1 ]
Olimpiev, V. V. [2 ]
机构：
[1] Bauman Moscow State Tech Univ, Moscow 10505, Russia
[2] Kazan State Univ Power Engn, Kazan 420066, Russia
来源：
HIGH TEMPERATURE | 2007年 / 45卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0018151X07060168
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The high energy-saving capacity of channels with transverse projections and the economic expediency of their extensive uses in industrial heat exchangers are confirmed. Models and methods of thermohydraulic calculation of discretely rough channels are analyzed. The problem of the effect of spacing between projections on the drag and heat-transfer coefficients of the channels is discussed in detail. The consequences of this effect are considered, such as the bistable mode of flow, self-induced oscillation, and resonance in the flow. Technical recommendations are given for design engineers. Problems for further investigations are formulated.
引用
收藏
页码：844 / 870
页数：27
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