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Air-cooled condensers in retail systems using R22 and R404A refrigerants

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  • Ge, Yunting
  • Cropper, Roy

Abstract

A steady-state simulation model for a finned-tube air-cooled condenser has been developed by using the distributed modelling method. The model can be used to predict 3-D variations of parameters for both air and refrigerant sides. The model has been validated by comparing outputs from the model with test data, given in reference papers, derived from air-cooled condensers with differing dimensions and refrigerants. Application of the model is concentrated on optimisation and exploration of existing and new control strategies for controlling refrigerant discharge-pressures in retail refrigeration systems, where air-cooled condensers are being utilised. Meaningful results are obtained for both the optimal design and development of the new control strategies and for performance comparisons when different refrigerants are employed in the condensers.

Suggested Citation

  • Ge, Yunting & Cropper, Roy, 2004. "Air-cooled condensers in retail systems using R22 and R404A refrigerants," Applied Energy, Elsevier, vol. 78(1), pages 95-110, May.
    • Handle: RePEc:eee:appene:v:78:y:2004:i:1:p:95-110
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    Citations

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    Cited by:

    1. Jun Fan & Haotian Dong & Xiangyang Xu & De Teng & Bo Yan & Yuanbin Zhao, 2019. "Numerical Investigation on the Influence of Mechanical Draft Wet-Cooling Towers on the Cooling Performance of Air-Cooled Condenser with Complex Building Environment," Energies, MDPI, vol. 12(23), pages 1-16, November.
    2. Yang, L.J. & Wang, M.H. & Du, X.Z. & Yang, Y.P., 2012. "Trapezoidal array of air-cooled condensers to restrain the adverse impacts of ambient winds in a power plant," Applied Energy, Elsevier, vol. 99(C), pages 402-413.
    3. Chen, Lei & Yang, Lijun & Du, Xiaoze & Yang, Yongping, 2016. "A novel layout of air-cooled condensers to improve thermo-flow performances," Applied Energy, Elsevier, vol. 165(C), pages 244-259.
    4. 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.
    5. Zhou, Guobing & Zhang, Yufeng, 2010. "Performance of a split-type air conditioner matched with coiled adiabatic capillary tubes using HCFC22 and HC290," Applied Energy, Elsevier, vol. 87(5), pages 1522-1528, May.

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