Thermally-induced natural convection heat transfer in the annulus between horizontal concentric cylinders has been studied using the commercial code Fluent. The boundary layers are meshed all the way to the wall because forced convection wall functions are not appropriate. Various oneand two-equation turbulence models have been considered. Overall and local heat transfer rates are compared with existing experimental data.
CFD Calculation of Internal Natural Convection in the Annulus Between Horizontal Concentric Cylinders
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Webb, SW, Francis, ND, Itamura, MT, & James, DL. "CFD Calculation of Internal Natural Convection in the Annulus Between Horizontal Concentric Cylinders." Proceedings of the ASME 2003 Heat Transfer Summer Conference. Heat Transfer: Volume 3. Las Vegas, Nevada, USA. July 21–23, 2003. pp. 911-916. ASME. https://doi.org/10.1115/HT2003-47515
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