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Methodology to estimate vapor quality of refrigerant leaks.

Number: pap. n. 1134

Author(s) : MILLER W., PATEL V., ABU-HEIBA A., et al.

Summary

The US Department of Energy (DOE) Building Technology Office (BTO) and the Air-conditioning, Heating & Refrigeration Technology Institute (AHRTI) are sponsoring an experimental study of refrigerant leak characteristics. The objectives are to conduct refrigerant leak tests on several heating, ventilating, air conditioning and refrigeration (HVAC&R) systems under operating conditions representative of actual applications to document the pressure decay rate and the mass flow rate of leaked refrigerant as a function of time. Another aspect of the study was to formulate and document a procedure for estimating the quality (vapor versus liquid) of the leaking refrigerant and oil escaping from the high- and low-pressure sides with the unit energized and with the unit turned off. Refrigerant quality was estimated by tracking total system weight of a packaged air-conditioning (AC) unit and the total weight of a large container used to capture the refrigerant leakage escaping the packaged unit.

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Pages: 9

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Details

  • Original title: Methodology to estimate vapor quality of refrigerant leaks.
  • Record ID : 30026074
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.1134

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