Immersed boundary method for the simulation of flows with heat transfer |
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| Authors: | Zeli Wang Jianren Fan Kun Luo Kefa Cen |
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| Affiliation: | 1. IFP Energies nouvelles, Fluid Mechanics Department, Rond-point de l’Echangeur de Solaize, BP 3, 69360 Solaize, France;2. IFP Energies nouvelles, Fluid Mechanics Department, 1&4, avenue de Bois Préau, 92852 Rueil Malmaison, France;1. Department of Computational Science and Engineering, Yonsei University, Seoul 03722, Republic of Korea;2. Department of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea;1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, PR China;2. Department of Mathematics, University of North Carolina, Chapel Hill, NC 27599, United States;3. Key Laboratory of Hydraulic Machinery Transients, Ministry of Education, Wuhan University, Wuhan 430072, PR China |
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| Abstract: | In the present paper a direct heat source scheme is proposed to let the temperature at the immersed boundary satisfy the temperature Dirichlet boundary condition. And the explicit interactive process of the direct heat source scheme called multi-direct heat source scheme is applied to ensure the satisfaction of the temperature Dirichlet boundary condition at the immersed boundary. The second-order spacial accuracy of the solver is confirmed by simulating the Taylor–Green vortices. The simulations of natural convection between concentric cylinders, and flow past a stationary circular cylinder are conducted to validate the accuracy of present method on solving heat transfer problems. And the computation of flow past a staggered tube bank with heat transfer is conducted to verify the capability of present method on solving complex geometries problems. |
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