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Monitoring hydrofluorocarbon refrigerant leakage from air-conditioning systems in buildings

Author

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  • Cheong, K. W.
  • Riffat, S. B.

Abstract

Hydrofluorocarbons (HFCs) are now widely used in refrigeration and air-conditioning systems. These systems lose refrigerants through leaks and during servicing. This paper discusses the possibility of determining the emission rate of HFCs in buildings by applying tracer-gas techniques. The measurement of the emission rate of an HFC refrigerant (R134a) using the concentration-decay technique was carried out in a single-zone chamber. The results were compared with measurements made using an SF6 tracer and the Pitot-tube traverse method.

Suggested Citation

  • Cheong, K. W. & Riffat, S. B., 1996. "Monitoring hydrofluorocarbon refrigerant leakage from air-conditioning systems in buildings," Applied Energy, Elsevier, vol. 53(4), pages 341-347, April.
  • Handle: RePEc:eee:appene:v:53:y:1996:i:4:p:341-347
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    Cited by:

    1. Jia, Lizhi & Jin, Wufeng & Zhang, Yan, 2017. "Experimental study on R32 leakage and diffusion characteristic of wall-mounted air conditioners under different operating conditions," Applied Energy, Elsevier, vol. 185(P2), pages 2127-2133.
    2. Comakli, K. & Simsek, F. & Comakli, O. & Sahin, B., 2009. "Determination of optimum working conditions R22 and R404A refrigerant mixtures in heat-pumps using Taguchi method," Applied Energy, Elsevier, vol. 86(11), pages 2451-2458, November.

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