期刊名称：Walailak Journal of Science and Technology (WJST)
印刷版ISSN：2228-835X
出版年度：2014
卷号：11
期号：2
页码：107-127
DOI：10.2004/wjst.v11i2.594
语种：English
出版社：Institute of Research and Development, Walailak University.
摘要：A numerical investigation has been carried out for a range of flow and geometrical parameters in order to analyze the effect of transverse perforated baffles attached on the heated wall of rectangular duct on heat transfer and friction factor. An increase in heat transfer and friction loss over a smooth surface has been observed for duct having perforated baffles as a roughness element. Numerical results have been used to develop the Nusselt number and friction factor correlations as a function of flow and geometrical parameters for predicting performance of the system having investigated the type of roughness elements.doi:10.14456/WJST.2014.33
关键词：Engineering;CFD, Nusselt number, perforated baffles, open area ratio
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