5th DUBROVNIK CONFERENCE ON SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS , 2009-09-28

Title : ( Entropy generation analysis in film condensation on an elliptical tube with interfacial shear stress at high Bond numbers )

Authors: Javad Abolfazli Esfahani , Seama Kouhi Fayegh Dehkordi ,

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This study focuses on the second law analysis of film condensation on an elliptical tube with variable wall temperature. Based on the interfacial shear and the gravitational forces applied to the liquid film at high Bond numbers, two limiting cases are investigated: condensation with high gravitational force compared to the interfacial one and condensation with high shear force compared to the gravitational one. Finally, the relation for total entropy generation is derived for the two cases. Introducing two sets of dimensionless numbers, the existence of an optimum condition for each case is discussed by using an entropy generation minimization method (EGM).

Keywords

, Entropy generation, film condensation, elliptical tube, interfacial shear stress, high Bond
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@inproceedings{paperid:1014852,
author = {Abolfazli Esfahani, Javad and Kouhi Fayegh Dehkordi, Seama},
title = {Entropy generation analysis in film condensation on an elliptical tube with interfacial shear stress at high Bond numbers},
booktitle = {5th DUBROVNIK CONFERENCE ON SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS},
year = {2009},
location = {DUBROVNIK},
keywords = {Entropy generation; film condensation; elliptical tube; interfacial shear stress; high Bond numbers},
}

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%0 Conference Proceedings
%T Entropy generation analysis in film condensation on an elliptical tube with interfacial shear stress at high Bond numbers
%A Abolfazli Esfahani, Javad
%A Kouhi Fayegh Dehkordi, Seama
%J 5th DUBROVNIK CONFERENCE ON SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS
%D 2009

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