Modeling and analysis of cross-flow heat exchanger based on the distributed parameter method

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Abstract

The cross-flow heat exchanger model based on distributed parameter method which could be applied further in a complex system simulation is established in this paper. Then both steady and transient simulations of a triangle plate-fin cross-flow heat exchanger are achieved. The conclusion indicates that there is a critical point, when the number of distributed elements continues to increase, errors can be neglected. In dry air condition, steady results are proved identical to the ones of the well-known effectiveness-NTU method. Transient simulations are also participated under both dry air and moist air conditions in the interest of discussing the dynamic performance of the heat exchanger,and latent heat shows a great influence on the outlet temperature in moist air condition. Moreover, the effect of fouling is studied as a modification. All the simulations are performed on the commercial software Flow master.

Original languageEnglish
Title of host publicationFluids and Heat Transfer
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages417-425
Number of pages9
EditionPARTS A, B, C, D
ISBN (Print)9780791845233
DOIs
StatePublished - 2012
EventASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 - Houston, TX, United States
Duration: 9 Nov 201215 Nov 2012

Publication series

NameASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
NumberPARTS A, B, C, D
Volume7

Conference

ConferenceASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
Country/TerritoryUnited States
CityHouston, TX
Period9/11/1215/11/12

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