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

  • 제15권3호
  • /
  • Pages.196-202
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  • 2003
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  • 1229-6422(pISSN)
  • /
  • 2465-7611(eISSN)
대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
권호 표지

제상 히터와 냉장고 플라스틱 내벽 사이의 안전거리에 대한 모델링

Modeling of the Safety Distance between Defrost Heater and Plastic Inner Wall of Refrigerator

  • 정영 (LG전자 디지털 어플라이언스 사업본부 연구소) ;
  • 신종민 (LG전자 디지털 어플라이언스 사업본부 연구소) ;
  • Jung, Young (Digital Appliance Company Research Lab., LG Electronics) ;
  • Shin, Jong-Min (Digital Appliance Company Research Lab., LG Electronics) ;
  • Tikhonov, Alexei V. (Digital Appliance Company Research Lab., LG Electronics)
  • 발행 : 2003.03.01
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초록

Two dimensional modeling was carried out to find the safety distance between the defrost heater and the plastic inner wall of domestic refrigerator Estimation was processed for the three cases; the estimation of plastic wall temperature (1) without any protection, (2) with an aluminum foil attached on a wall, and (3) with an aluminum shield installed between heater and wall. The former two cases are found to be dangerous during defrosting process, because the temperatures of inner wall reach above 80'C , which is the upper temperature limit of the wall material. The case with an aluminum shield is considered to be safe by maintaining the temperature of the wall in the range of 6$0^{\circ}C$ during defrosting process.

키워드

참고문헌

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  4. JSME(B) v.59 no.567 Snow melting mechanism of radiative heat ansorption meterial Inaba, H.;Otake, H.
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