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HEAT AND MASS TRANSFER IN CROSS-FLOW AIR-TO-AIR MEMBRANE HEAT EXCHANGER

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.240
pages 335-346

Valeriy I. Deshko
Kiev Polytechnic Institute, Kiev, Ukraine

Anton Ya. Karvatskii
Kiev Polytechnic Institute, Kiev, Ukraine

Iryna O. Sukhodub
National Technical University of Ukraine "Kyiv Polytechnic Institute" Department of Thermal Engineering and Energy Saving, 03056, Ukraine, Kiev

Аннотация

Review of existing calculation methods for cross-flow sensible and total heat exchangers is performed. The modeling of heat transfer processes in parallel plates channels without and with plain fins of square and triangular cross section has been made (fin material - vapor permeable polymer membrane). 3D model for calculating heat transfer in cross-flow heat exchanger was built. Verification of ε-NTU and finite difference models is performed. Analysis of heat and mass transfer processes considering condensation and frost formation zones is carried out for plate heat exchanger with plain fins of triangular cross-section.

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