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A numerical study on mixed convection in a lid-driven cavity with a circular cylinder

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Abstract

A two-dimensional numerical simulation is carried out in this study to investigate mixed convection in a lid-driven cavity with an isothermal circular cylinder. The simulation is conducted at three Reynolds numbers of Re = 100, 500, and 1000 under a fixed Grashof number of Gr = 105. The top wall of the cavity moves to the right at a constant velocity and is kept at a low temperature of T c , whereas the stationary bottom wall is kept at a constant high temperature of T h . The immersed-boundary method, which is based on the finite volume method, is adopted for the boundary of the circular cylinder that is present in the square cavity. The present study aims to investigate the effects of circular cylinder on fluid flow and heat transfer in a cavity at different locations. The fluid flow and heat transfer characteristics in the cavity strongly depend on the position of the circular cylinder as well as on the relative magnitude of the forced convection and the natural convection caused by the movement in the top wall of the cavity and the heating at the hot bottom wall, respectively.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Pusan National University, Jang Jeon 2-Dong, Geum Jeong Gu, Busan, 609-735, Korea

    G. F. Zheng, M. Y. Ha & Y. G. Park

  2. Global Core Research Center for Ship and Offshore Plants, Pusan National University, Jang Jeon 2-Dong, Geum Jeong Gu, Busan, 609-735, Korea

    H. S. Yoon

Authors
  1. G. F. Zheng
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  2. M. Y. Ha
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  3. H. S. Yoon
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  4. Y. G. Park
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Corresponding author

Correspondence to M. Y. Ha.

Additional information

Recommended by Associate Editor Jae Dong Chung

M. Y. Ha received his B.S. degree from Pusan National University, Korea, in 1981, his M.S. degree, in 1983, from Korea Advanced Institute of Science and Technology, Korea, and his Ph.D degree from Pennsylvania State University, USA in 1990. Dr. Ha is currently a Professor at the School of Mechanical Engineering at Pusan National University in Busan, Korea. He serves as an Editor of the Journal of Mechanical Science and Technology. His research interests are focused on thermal management, computational fluid dynamics, and micro/nano fluidics.

G. F. Zheng received his M.S. degree in 2011 from Pusan National University, Korea. In his master course, he conducted a number of studies under the supervision of Prof. Man-Yeong Ha. His research interests are focused on thermofluid phenomena analysis for enhancing the efficiency of industrial devices.

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Zheng, G.F., Ha, M.Y., Yoon, H.S. et al. A numerical study on mixed convection in a lid-driven cavity with a circular cylinder. J Mech Sci Technol 27, 273–286 (2013). https://doi.org/10.1007/s12206-012-1201-1

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  • DOI: https://doi.org/10.1007/s12206-012-1201-1

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