Transport Phenomena in Thermal Engineering. Volume 2

ISBN Print: 1-56700-015-0

HEAT TRANSFER AUGMENTATION BY INERT GAS BUBBLE SLIDING ON HORIZONTAL TUBE BUNDLE BOILING

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DOI: 10.1615/ISTP-VI.360
pages 1015-1020

Zi-Qiu Shen Institute of Chemical Engineering Research Dalian University of Science and Engineering, Dalian, China 116012

Wei Xu Institute of Chemical Engineering, Liaoning Key Laboratory of Clean Utilization of Chemical Resources, Dalian University of Technology, Dalian, China

J.R. Liu Department of Chemical Engineering, Dalian University of Technology, Dalian 116012, CHINA

N.S. Chi Department of Chemical Engineering, Dalian University of Technology, Dalian 116012, CHINA

Abstract

In horizontal tube bundle boiling, the heat transfer augmentation by inert gas introduced at the bottom was studied experimentally. The mechanism of augmentation was analyzed. It would be demonstrated by the effect of gas − liquid interfacial vaporization heat sink. The liquid − gas interfacial temperature adjacent to the heating wall were evaluated and compared. Several parameters affecting the heat transfer augmentation were studied and the results were discussed. The possible applications were suggested.

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