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HC-290 (propane) vaporisation inside a brazed plate heat exchanger.

Author(s) : LONGO G. A.

Summary

This paper presents the heat transfer coefficients measured during HC-290 (propane) vaporisation inside a brazed plate heat exchanger: the effects of heat flux, saturation temperature (pressure) and outlet conditions are investigated. The heat transfer coefficients show weak sensitivity to saturation temperature (pressure) and great sensitivity to heat flux and outlet conditions. The saturated boiling experimental heat transfer coefficients are compared with two well-known equations for nucleate boiling: Cooper (1984) and Gorenflo (1993). The mean absolute percentage deviation between experimental and calculated heat transfer coefficients is 26.9 and 16.6% for Cooper (1984) and Gorenflo (1993) equation respectively. The heat transfer measurement has been complemented with IR thermography in order to quantify the portion of the heat transfer surface affected by vapour super-heating.

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Details

  • Original title: HC-290 (propane) vaporisation inside a brazed plate heat exchanger.
  • Record ID : 2011-0045
  • Languages: English
  • Publication date: 2010/07/12
  • Source: Source: Proc. 2010 int. Refrig. Air Cond. Conf., Purdue Univ.
    n. 2104; 8 p.; fig.; tabl.; 15 ref.

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