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Chemcial Industry and Engineering 2002, Vol. 19 Issue (4) :316-319    DOI:
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Study on Heat Transfer Calculation of Spiral Plate Heat Exchanger
WANG Xin-xiang (Hunan Building Materials Higher College,Hunan Hengyang 421008,China)
(Hunan Building Materials Higher College,Hunan Hengyang 421008,China

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Abstract The difference of heat transfer calculation between spiral plate heat exchanger and single shell and tube heat exchange is discussed in the article.Before now the method of heat transfer calcuation on spiral plate heat exchanger was the same as shell and tube heat exchange.Based on the formula of calcul a Tion logarithmic mean temperature difference ��t m ,we have presumed that heat transfer only take place between some flow path and the temperature of cold liquid on both sides of hot liquid is equal,but it is not according with fact.Considering characteristics of spiral plate heat exchanger,and heat transfer take place in both sides of hot liquid,and temperature on both sides of hot liquid being different we must take these into account in heat transfer calculation.A new calculation method in this article is educed from differential and integral calulus.
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Received 2002-07-15; published 2002-07-15
Cite this article:   
WANG Xin-xiang .Study on Heat Transfer Calculation of Spiral Plate Heat Exchanger[J]  Chemcial Industry and Engineering, 2002,V19(4): 316-319
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