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The combined effects of wall longitudinal heat conduction, inlet fluid flow nonuniformity and temperature nonuniformity in compact tube–fin heat exchangers: a finite element method

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dc.contributor.author Ranganayakulu, Chennu
dc.date.accessioned 2023-11-09T09:08:22Z
dc.date.available 2023-11-09T09:08:22Z
dc.date.issued 1999-01
dc.identifier.uri https://www.sciencedirect.com/science/article/abs/pii/S0017931098001562
dc.identifier.uri http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12956
dc.description.abstract A finite element analysis of a crossflow tube–fin compact heat exchanger is presented. The analysis takes into account the combined effects of one-dimensional longitudinal heat conduction through the exchanger wall and nonuniform inlet fluid flow and temperature distributions on both hot and cold fluid sides. A mathematical equation is developed to generate different types of fluid flow⧹temperature maldistribution models considering the possible deviations in fluid flow. Using these fluid flow⧹temperature maldistribution models, the exchanger effectiveness and its deterioration due to the combined effects of longitudinal heat conduction and flow⧹temperature nonuniformity are calculated for various design and operating conditions of the exchanger. It was found that the performance deteriorations are quite significant in some typical applications due to the combined effects of longitudinal heat conduction, temperature nonuniformity and fluid flow nonuniformity on crossflow tube–fin heat exchanger. en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Mechanical Engineering en_US
dc.subject Heat conduction en_US
dc.subject Heat exchanger en_US
dc.title The combined effects of wall longitudinal heat conduction, inlet fluid flow nonuniformity and temperature nonuniformity in compact tube–fin heat exchangers: a finite element method en_US
dc.type Article en_US


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