동심 및 편심된 두 수평원관 사이의 환상유로에서의 복사와 자연대류간의 상호작용Radiation-Natural Convection Interactions in Concentric and Eccentric Horizontal Annuli

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A numerical investigation has been performed to discuss the radiation-affected steady-laminar natural convection induced by a hot inner cylinder under a large temperature difference in the annuli filled with a gray gas. To examine the effects of thermal radiation on thermo-fluid dynamic behaviors in the eccentric geometry, the generalized body-fitted coordinate system is introduced while the finite volume method (FVM) is used for solving the radiative transport equation. After validating the numerical results for the case without radiation, the detailed radiation effect has been discussed. Based on the results of this study, when there exists a large temperature difference between two cylinders, the existence of radiatively participating medium is found to incur a distinct difference in fluid dynamic as well as thermal behavior.
Publisher
대한기계학회
Issue Date
1998-07
Language
Korean
Citation

대한기계학회논문집 B, v.22, no.12, pp.1796 - 1804

ISSN
1226-4881
URI
http://hdl.handle.net/10203/14916
Appears in Collection
AE-Journal Papers(저널논문)
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