Heat transfer enhancement and optimization of flat-tube multilouvered fin compact heat exchangers with delta-winglet vortex generators
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- 作者：Daniel Jonas Dezan ; daniel.dezan@usp.br" class="auth_mail" title="E-mail the corresponding author ; Leandro Oliveira Salviano ; Jurandir Itizo Yanagihara
- 关键词：Heat transfer enhancement ; Multi-louvered fin heat exchangers ; Delta-winglet vortex generators ; Compound heat transfer techniques ; Artificial neural networks ; Genetic algorithm
- 刊名：Applied Thermal Engineering
- 出版年：2016
- 出版时间：25 May 2016
- 年：2016
- 卷：101
- 期：Complete
- 页码：576-591
- 全文大小：11399 K
文摘
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Heat transfer enhancement about 21.27% for Re = 120 and 23.52% for Re = 240.
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Particular behavior of flow pattern and heat transfer characteristics.
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Optimized solutions are quite different for two types of geometries and Reynolds numbers.
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Arrangement of delta winglets is dependent on Reynolds number.