Experimental study on forced convection heat transfer from a flat plate by a transverse jet

ZHONG Huadong; LI Guoneng; ZHENG Youqu; YANG Huawen

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Experimental study on forced convection heat transfer from a flat plate by a transverse jet

Thermal Power Generation Issue 5, (2016)

更新时间：2025-09-28

- Experimental study on forced convection heat transfer from a flat plate by a transverse jet
- 作者机构：
  
  浙江科技学院能源与环境系统工程系,浙江,杭州,310023
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK124
- Published Online：15 June 2016，
  
  Published：2016
- 稿件说明：
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ZHONG Huadong, LI Guoneng, ZHENG Youqu, et al. Experimental study on forced convection heat transfer from a flat plate by a transverse jet[J]. Thermal Power Generation, 2016, (5).
DOI：

ZHONG Huadong, LI Guoneng, ZHENG Youqu, et al. Experimental study on forced convection heat transfer from a flat plate by a transverse jet[J]. Thermal Power Generation, 2016, (5). DOI：

摘要

为研究横向射流对平板传热特性的影响

搭建了横向射流强化传热的实验台

研究了不同射流比r(0≤r≤6.69)下横向射流对加热平板对流换热效率的影响

通过加热平板表面温度的分布云图

分析了对流换热系数h的变化规律

讨论了横向射流强化传热的物理机理。结果表明:当r较小时

增加横向射流有利于强化对流换热(r=0.57时

强化传热因子Φ=8.85％)；随着r的继续增大

强化传热效果不断下降(r=1.12时Φ=5.14％

r=2.23时Φ=2.34％)；继续增大r值

将恶化对流换热(r=4.46时

Φ=-1.97％)；随r的增大

最高温度点先后移再前移。

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