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Fluid Flow in the Fluidized Bed Shell and Tube Type Heat Exchanger with Corrugated Tubes  

안수환 (경상대학교 기계항공공학부 해양산업연구소)
이병창 (경상대학교 대학원)
배성택 (경상대학교 대학원)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.15, no.5, 2003 , pp. 406-412 More about this Journal
Abstract
An experimental study was carried on the characteristics of fluid flow and heat transfer in a fluidized bed shell-and-tube type heat exchanger with corrugated tubes. Seven different solid particles having same volume were circulated in the tubes. The effects of various parameters such as water flow rates, particle geometries and materials, and geometries of corrugated tubes on relative velocities and drag coefficients were investigated. The present work showed that the drag force coefficients of particles in the corrugated tubes were usually lower than those in the smooth tubes, meanwhile the relative velocities between particles and water in the corrugated tubes were little higher than those in the smooth tubes except the glass.
Keywords
Fluidized bed heat exchanger; Solid particle; Corrugated tube; Drag coefficient; Relative velocity;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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