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Heat and Mass Transfer Characteristics and Performance Evaluation of a Double-Tube Condenser for an Alternative Refrigerant  

이상무 (MMC 종합기술연구소)
박병덕 (상주대학교 기계공학부)
소산번 (구주대학 기능물질과학연구소)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.14, no.6, 2002 , pp. 468-476 More about this Journal
Abstract
This paper deals with heat and mass transfer characteristics and performance evaluation of a counter flow double-tube condenser for a multi-component refrigerant mixture. The local heat and mass transfer characteristics of ternary zeotropic refrigerant mixtures composed of HFC32/HFC125/HFC134a are evaluated for a counter flow double-tube condenser cooled by water. Then, the local values of vapor quality, thermodynamic states at bulk vapor, vapor-liquid interface and bulk liquid, heat flux and condensation mass flux are obtained. The heat exchange performance for ternary zeotropic refrigerant mixtures composed of HFC32/HFC125/HFC134a on the total pressure drop and the heat transfer characteristics are also compared with those for R404A, R410A, R502, R22, R32, Rl23 and R134a.
Keywords
Horizontal smooth tube; Condensation; Zeotropic mixture refrigerant; Heat and mass transfer;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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