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Numerical analysis of heat transfer in air-water heat exchanger with microchannel coil (CROSBI ID 674181)

Prilog sa skupa u časopisu | izvorni znanstveni rad | međunarodna recenzija

Glažar, Vladimir ; Trp, Anica ; Lenić Kristian ; Torbarina, Fran Numerical analysis of heat transfer in air-water heat exchanger with microchannel coil // E3S Web of Conferences / Agarwal, Ramesh K. (ur.). 2019. doi: 10.1051/e3sconf/20199502004

Podaci o odgovornosti

Glažar, Vladimir ; Trp, Anica ; Lenić Kristian ; Torbarina, Fran

engleski

Numerical analysis of heat transfer in air-water heat exchanger with microchannel coil

This paper presents numerical analysis of fluid flow and heat transfer in the heat exchanger with microchannel coil (MCHX). In accordance with previously published experimental results, 3D mathematical model has been defined and appropriate numerical simulation of heat transfer has been performed. Geometry and working parameters of cross- flow air-water heat exchanger with microchannel coil, installed in an open circuit wind tunnel and used in experimental investigations, have been applied in numerical analysis in order to validate the mathematical model. 3D model with air and water fluid flow and heat transfer domains has been used, as it gives more precise results compared to models that assume constant temperatures or constant heat fluxes on the pipe walls. Developed model comprised full length of air and water flows in the heat exchanger. Due to limitations of computational capacity, domain has been divided in multiple computational blocks in the water flow direction and then solved successively using CFD solver Fluent. Good agreement between experimentally measured and numerically calculated results has been obtained. The influence of various working parameters on heat transfer in air-water heat exchanger has been studied numerically, followed with discussion and final conclusions.

heat exchanger ; microchannel coil ; numerical analysis ; air and water model

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Podaci o prilogu

02004

2019.

nije evidentirano

objavljeno

10.1051/e3sconf/20199502004

Podaci o matičnoj publikaciji

E3S Web of Conferences

Agarwal, Ramesh K.

EDP Sciences

2555-0403

2267-1242

Podaci o skupu

The 3rd International Conference on Power, Energy and Mechanical Engineering (ICPEME 2019)

predavanje

16.02.2019-19.02.2019

Prag, Češka Republika

Povezanost rada

Strojarstvo

Poveznice
Indeksiranost