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2018 , Vol. 18 >Issue 1: 41 - 48

DOI: https://doi.org/10.12034/j.issn.1009-606X.217198

Flow & Transfer

Experimental and Numerical Research on Heat Transfer Characteristics of Three-dimensional Flue Gas Heat Exchanger

  • Xun MO Dongsheng ZHU Chengdi LIN
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  • 1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, Guangdong 510640, China; 2. Daye Sreal Heat Exchanger Co., Ltd., Daye, Hubei 435100, China; 3. Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou, Guangdong 510640, China; 4. Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou, Guangdong 510640, China

Received date: 2017-03-30

  Revised date: 2017-06-13

  Online published: 2018-01-29

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Abstract

A comprehensive and detailed test had been performed for three-dimensional tube exchange components and traditional H-type fin tube through a prototype to investigated their heat transfer characterization. The results showed that the total heat transfer coefficient of the three-dimensional tube heat exchanger is 2 to 3 times that of the H-type fin tube heat exchanger, and the resistance of the heat exchanger in staggered arrangement was bigger than that of in-line arrangement. Besides, the modified correlation of gas side convective heat transfer was more realistic, and the calculated result is about 26% higher than that of the original correlation. FLUENT software can simulate the actual situation of three-dimensional tube heat exchanger, and the simulation results error is relatively small.

Key words： flue gas heat exchanger; three-dimensional tube; total heat transfer coefficient; convective heat transfer coefficient; numerical simulation

Cite this article

Xun MO Dongsheng ZHU Chengdi LIN . Experimental and Numerical Research on Heat Transfer Characteristics of Three-dimensional Flue Gas Heat Exchanger[J]. The Chinese Journal of Process Engineering, 2018 , 18(1) : 41 -48 . DOI: 10.12034/j.issn.1009-606X.217198

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