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Topological design of heat dissipating structure with forced convective heat transfer

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Abstract

This paper discusses the use of the topology optimization formulation for designing a heat dissipating structure that utilizes forced convective heat transfer. In addition to forced convection, there is also natural convection due to natural buoyancy forces induced by local heating inside fluid. In the present study, the temperature distribution due to forced convection, neglecting buoyancy and viscous dissipation inside fluid, was simulated and optimized. In order to analyze the heat transfer equation with forced convective heat loss and the Navier-Stokes equation, a common sequential computational procedure for this thermo/hydraulic characteristic was implemented. For topology optimization, four material properties were interpolated with respect to spatially defined density design variables: the inverse permeability in the Navier-Stokes equation, the conductivity, density, and the specific heat capacity of the heat transfer equation. From numerical examples, it was found that the balance between the conduction and convection of fluid is of central importance to the design of heat dissipating structures.

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Authors and Affiliations

  1. School of Mechanical Engineering, Kyungpook National University, Daegu, Korea

    Gil Ho Yoon

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  1. Gil Ho Yoon
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Correspondence to Gil Ho Yoon.

Additional information

This paper was recommended for publication in revised form by Associate Editor Tae Hee Lee

Gil Ho Yoon is currently an Assistant professor at the mechanical department at the Kyungpook National University, Daegu, Korea. He focuses on structural optimization, multiphysics system, and nonlinear structures where he concentrates on optimization. He received a Ph.D. in school of mechanical and aerospace engineering from the Seoul National University in 2004, an MSc in 2000 and a BSc in 1998 from the same department and the same university.

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Yoon, G.H. Topological design of heat dissipating structure with forced convective heat transfer. J Mech Sci Technol 24, 1225–1233 (2010). https://doi.org/10.1007/s12206-010-0328-1

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  • DOI: https://doi.org/10.1007/s12206-010-0328-1

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