Experimental investigation on heat transfer characteristics of drug-reduction surface

WU Hong; WANG Jiao; LIU Kun

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Experimental investigation on heat transfer characteristics of drug-reduction surface

更新时间：2026-07-07

- Experimental investigation on heat transfer characteristics of drug-reduction surface
- Vol. 22, Issue 8, (2007)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院航空发动机气动热力重点实验室,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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WU Hong, WANG Jiao, LIU Kun. Experimental investigation on heat transfer characteristics of drug-reduction surface[J]. 2007, 22(8).
DOI：

WU Hong, WANG Jiao, LIU Kun. Experimental investigation on heat transfer characteristics of drug-reduction surface[J]. 2007, 22(8). DOI：

摘要

采用实验方法对带"V"型沟槽表面通道在不同雷诺数下的流动与换热特性进行了研究.研究结果表明:宽与深均为0.5 mm的沟槽板通道在实验范围内具有明显的减阻效果

减阻效果随着雷诺数的增大而减小;相比平板通道流动

低雷诺数范围下(10000

Abstract

The heat transfer characteristics of ribbed surfaces with rectangular channel were experimentally studied under different Reynolds numbers.The experimental results indicate that the small longitudinal ribbed surface of h=s=0.5 mm has great drag-reduction characteristics within the test range

and its drag-reduction declines with the increase of Reynolds number.As compared with heat flow in flat plate channel

the heat transfer characteristics of ribbed surface decreases in the case of 10 0001).Moreover

the heat transfer enhancement ratio increases with Reynolds number under test conditions.

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