Study on the Numerical Simulation of Surface Flow and Heat Transfer in Inclined Wave Fin-and-Tube Heat Exchanger

Jun Zhai; Meng Qin; Feng Guo Liu

doi:10.4028/www.scientific.net/AMM.353-356.3081

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 353-356Study on the Numerical Simulation of Surface Flow...

Study on the Numerical Simulation of Surface Flow and Heat Transfer in Inclined Wave Fin-and-Tube Heat Exchanger

Abstract:

With the CFD calculation software FLUENT, numerical simulation has been conducted to study the surface flow and heat transfer in inclined wave fin-and-tube heat exchanger, including uniform angle wave fin and inclined increase-angle wave fin. Velocity field, pressure field and the distribution of temperature field on the air side of fin surface were obtained. Heat transfer performance of the two kinds of fin were discussed and the curve of both heat exchange and pressure drop related to the inlet velocity were analyzed. The results indicates that in the same conditions, heat transfer effect is better than uniform angle wave fin. When the inlet velocity is 4 m/s ,the heat transfer of inclined increase-angle wave fin is about 1.1 times higher than that of uniform angle wave fin meanwhile the pressure resistance is as much as around 1.2 times, which provides a theoretical basis on heat transfer enhancement of wave finned tube.

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Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

3081-3084

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.3081

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Online since:

August 2013

Authors:

Jun Zhai, Meng Qin, Feng Guo Liu

Keywords:

Heat Transfer Enhancement, Numerical Simulation, Wave Fin-and-Tube

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