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A Study on the Characteristics of Heat Transfer in Quadrangle Duct with Solar Absorber Plate  

고동국 (전북대학교 대학원)
조대진 (전북대학교 대학원)
윤석주 (전북대학교 기계공학과)
박상규 (우석대학교 자동차공학과)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.14, no.12, 2002 , pp. 1014-1022 More about this Journal
Abstract
This paper analyzed the characteristics of heat transfer in quadangle duct with absorber plate by solar radiation. Effects o( Reynolds number on increasing temperature at outlet for variation of absorber plate temperature were analyzed by using numerical analysis technique. And also the effects of turbulent intensity of inlet flow on increasing temperature at outlet for various duct height and effects of inlet aspect ratio of quadrangle duct and position of heating surface on the outlet temperature were analysed. As the results, Outlet temperature was greatly influenced in low Reynolds number. And the highest outlet temperature distribution appeared on the inlet aspect ratio 2 because of the buoyancy effect.
Keywords
Solar absorber plate; Flow analysis; Quadangle duct; Buoyancy effect; Aspect ratio; Numerical analysis; Air heating system; Heating surface;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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