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Mixing length equation for high schmidt number mass transfer at solid boundaries

 

作者: J. Grifoll,   Francesc Giralt,  

 

期刊: The Canadian Journal of Chemical Engineering  （WILEY Available online 1987）
卷期: Volume 65, issue 1  

页码: 18-22

 

ISSN:0008-4034

 

年代: 1987

 

DOI:10.1002/cjce.5450650104

 

出版商: Wiley Subscription Services, Inc., A Wiley Company

 

关键词: mass transfer;mixing length model;transfer at solid boundaries

 

数据来源: WILEY

 

摘要:

AbstractA simple modification of the Van Driest damping factor for mixing length calculations of mass and/or heat transfer coefficients at solid boundaries is proposed to increase mass eddy diffusivities in the near‐wall region, without affecting velocity predictions. Calculated mass transfer rates with a constantSct= 0.85 are in good agreement with present and previous experimental results obtained in pipe and duct flows at high Schmidt number

 

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