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논문 상세정보

대체냉매 R407C 및 R410A를 이용한 슬릿휜-관 열교환기의 응축특성에 관한 연구

An Experimental Study on Condensation Characteristics of Slit Fin-tube Heat Exchanger Using Alternative Refrigerants, R407C and R410A

Abstract

R410A and R407C are considered to be alternative refrigerants to R22 for the air-conditioners. Experimental investigation is made to study the condensation heat transfer characteristics of slit fin-tube heat exchanger using alternative refrigerants R410A and R407C. R407C, a non-azeotropic refrigerant mixture, exhibited a quite different condensation phenomenon from those of R22 and R410A and its condensation heat transfer coefficient was much lower than that of R22 and R410A. Between the R22 and R410A, the condensation heat transfer coefficient of R410A, near-azeotropic refrigerant mixture, was a little higher than that of R22. R410A also showed the lowest condensation pressure drop across the test section. For all refrigerants, the condensation heat transfer coefficient and pressure drop increase as the mass flux increases.

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이 논문을 인용한 문헌 (2)

  1. 2003. "Comparison of Condenser Characteristics Using R407C and R22 on the Same Inlet Temperature Condition" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 15(7): 595~603 
  2. 2003. "Comparison of Condenser Characteristics using R410A and R22 under the Same Inlet Temperature Condition" 설비공학논문집 = Korean journal of air-conditioning and refrigeration engineering, 15(12): 1049~1059 

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