This paper proposes an optimum design method for a two-dimensional microchannel heat sink under a laminar flow assumption that simultaneously provides maximal heat exchange and minimal pressure drop, based on a topology optimization method incorporating Pareto front exploration. First, the formulation of governing equations for the coupled thermal-fluid problem and a level set-based topology optimization method are briefly discussed. Next, an optimum design problem for a microchannel heat sink is formulated as a bi-objective optimization problem. An algorithm for Pareto front exploration is then constructed, based on a scheme that adaptively determines weighting coefficients by solving a linear programming problem. Finally, in the numerical example, the proposed method yields a Pareto front approximation and enables the analysis of the trade-off relationship between heat exchange and pressure drop, confirming the utility of the proposed method.
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March 2018
Research-Article
An Optimum Design Method for a Thermal-Fluid Device Incorporating Multiobjective Topology Optimization With an Adaptive Weighting Scheme
Yuki Sato,
Yuki Sato
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: satou.yuuki.87x@st.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: satou.yuuki.87x@st.kyoto-u.ac.jp
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Kentaro Yaji,
Kentaro Yaji
Department of Mechanical Engineering,
Graduate School of Engineering,
Osaka University,
Suita 565-0871, Japan
e-mail: yaji@mech.eng.osaka-u.ac.jp
Graduate School of Engineering,
Osaka University,
Suita 565-0871, Japan
e-mail: yaji@mech.eng.osaka-u.ac.jp
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Kazuhiro Izui,
Kazuhiro Izui
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: izui@me.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: izui@me.kyoto-u.ac.jp
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Takayuki Yamada,
Takayuki Yamada
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: takayuki@me.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: takayuki@me.kyoto-u.ac.jp
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Shinji Nishiwaki
Shinji Nishiwaki
Department of Mechanical Engineering and Science, Graduate School of Engineering, Kyoto University, Kyoto 615-8540, Japan e-mail: shinji@prec.kyoto-u.ac.jp
Search for other works by this author on:
Yuki Sato
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: satou.yuuki.87x@st.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: satou.yuuki.87x@st.kyoto-u.ac.jp
Kentaro Yaji
Department of Mechanical Engineering,
Graduate School of Engineering,
Osaka University,
Suita 565-0871, Japan
e-mail: yaji@mech.eng.osaka-u.ac.jp
Graduate School of Engineering,
Osaka University,
Suita 565-0871, Japan
e-mail: yaji@mech.eng.osaka-u.ac.jp
Kazuhiro Izui
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: izui@me.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: izui@me.kyoto-u.ac.jp
Takayuki Yamada
Department of Mechanical Engineering
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: takayuki@me.kyoto-u.ac.jp
and Science,
Graduate School of Engineering,
Kyoto University,
Kyoto 615-8540, Japan
e-mail: takayuki@me.kyoto-u.ac.jp
Shinji Nishiwaki
Department of Mechanical Engineering and Science, Graduate School of Engineering, Kyoto University, Kyoto 615-8540, Japan e-mail: shinji@prec.kyoto-u.ac.jp
1Corresponding author.
Contributed by the Design Automation Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received May 23, 2017; final manuscript received September 29, 2017; published online January 10, 2018. Assoc. Editor: Nam H. Kim.
J. Mech. Des. Mar 2018, 140(3): 031402 (12 pages)
Published Online: January 10, 2018
Article history
Received:
May 23, 2017
Revised:
September 29, 2017
Citation
Sato, Y., Yaji, K., Izui, K., Yamada, T., and Nishiwaki, S. (January 10, 2018). "An Optimum Design Method for a Thermal-Fluid Device Incorporating Multiobjective Topology Optimization With an Adaptive Weighting Scheme." ASME. J. Mech. Des. March 2018; 140(3): 031402. https://doi.org/10.1115/1.4038209
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