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Experimental Studies on Heat Transfer in the Annuli with Corrugated Tubes  

안수환 (경상대학교 수송기계공학부 해양산업연구소)
손강필 (경상대학교 대학원)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.14, no.8, 2002 , pp. 683-689 More about this Journal
Abstract
This paper is to present the results of a comprehensive study on heat transfer in annuli with spirally corrugated inner tubes in the turbulent regime. Tube surface-temperature measurements were used to explain the enhancement phenomena in the annuli with several different corrugated tubes. Nusselt numbers were between 1.1 and 2 times the smooth annulus values. These enhancement values can be used to determine the appropriate range of applicability for spirally corrugated annuli.
Keywords
Heat transfer coefficient; Pressure drop; Spirally corrugated tubes; Flow mechanism; Heat transfer enhancement;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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