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HEAT TRANSFER DISTRIBUTION UNDER A TURBULENT IMPINGING JET – A NUMERICAL STUDY

 

作者: Suna Polat,   ArunS. Mujumdar,   W.J.M. Douglas,  

 

期刊: Drying Technology  （Taylor Available online 1985）
卷期: Volume 3, issue 1  

页码: 15-38

 

ISSN:0737-3937

 

年代: 1985

 

DOI:10.1080/07373938508916253

 

出版商: Taylor & Francis Group

 

关键词: Heat transfer;impinging jets;turbulence;turbulence models;prediction of turbulent heat transfer;impingement drying

 

数据来源: Taylor

 

摘要:

Results of a computational model are presented to predict the flow and heat transfer characteristics of a single, semi-confined turbulent jet impinging normally on an impermeable isothermal planar surface. A two-equation model of turbulence was employed. Effects of jet Reynolds number, nozzle-to-surface spacing and the turbulence level at the nozzle plane were examined numerically. Predicted results compare favorably with available data although further refinement of the turbulence model is needed for impingement-type flows.

 

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