설비공학논문집 (Korean Journal of Air-Conditioning and Refrigeration Engineering)

  • 제14권10호
  • /
  • Pages.786-791
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  • 2002
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  • 1229-6422(pISSN)
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  • 2465-7611(eISSN)
대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
권호 표지

핀-관 열교환기에서 동적접촉각과 물맺힘량과의 상관관계에 관한 연구

A Study of Correlation between DCA and WHS in Fin-and-Tube Heat Exchanger

  • 황준현 (LG전자 디지털 어플라이언스 사업본부 연구소) ;
  • 고영환 (LG전자 디지털 어플라이언스 사업본부 연구소) ;
  • 신종민 (LG전자 디지털 어플라이언스 사업본부 연구소)
  • 발행 : 2002.10.01
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초록

An experimental study on the behavior of the water hold-up by spraying of a fin-and-tube heat exchanger with regard to the surface characteristics, i.e., contact angles, was conducted. The dynamic contact angles (DCA) were measured, and water hold-up by spraying (WHS) was conducted in the experiment. It is found that heat exchanger surface characteristics, spray pressure, spray water temperature and heat exchanger surface temperature play an important role in WHS. In order to evaluate relationship between WHS and surface characteristics, test conditions are determined through a contour analysis. A correlation was proposed to predict WHS as a function of DCA. With its test efficiency and consuming time, the prediction method can be used to evaluate WHS performance.

키워드

참고문헌

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