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Natural convection flow around heated disk in cubical enclosure

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Abstract

In this study, a numerical analysis of the natural convection characteristics around a circular disk in a cubical enclosure was carried out. The disk and the enclosure were used to simulate a wafer placed in a front-opening unified pod. The disk position, size, and temperature were considered as the main variables, and the effects of each variable on the isotherm, streamline, and local Nusselt number were examined. The results confirmed that the disk position and size in an enclosure had greater effects on the natural convection flow pattern than the disk temperature. Because air flowed in from the edge of the disk, the local Nusselt number was the highest at the edge of the disk. It was also found that a large disk size generated a plume and formed a new thermal boundary layer.

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Correspondence to Se-Jin Yook.

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Recommended by Associate Editor Youngsuk Nam

Dong-Bin Kwak received the B.S. degree from the School of Mechanical Engineering, Hanyang University, Republic of Korea, in 2017. He is currently a Ph.D. student at the Department of Mechanical Engineering, University of Minnesota, USA. His research interests include heat transfer and aerosol technology.

Jung-Hun Noh received the B.S. degree from the School of Mechanical Engineering, Hanyang University, Republic of Korea, in 2010, and the Ph.D. degree from the Department of Mechanical Convergence Engineering, Hanyang University, Republic ore Korea, in 2017. He currently works at the Institute for Advanced Engineering, Republic of Korea. His research interests include heat transfer.

Se-Jin Yook received the B.S. degree from the School of Mechanical Engineering, Hanyang University, Republic of Korea, in 2000, and the Ph.D. degree from the Department of Mechanical Engineering, University of Minnesota, USA, in 2007. He is currently an Associate Professor at the School of Mechanical Engineering, Hanyang University. His research interests include aerosol technology and heat transfer.

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Kwak, DB., Noh, JH. & Yook, SJ. Natural convection flow around heated disk in cubical enclosure. J Mech Sci Technol 32, 2377–2384 (2018). https://doi.org/10.1007/s12206-018-0449-5

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  • DOI: https://doi.org/10.1007/s12206-018-0449-5

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