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Moderately high temperature water source heat-pumps using a near-azeotropic refrigerant mixture

Author

Listed:
  • Nanxi, Liu
  • Shi, Lin
  • Lizhong, Han
  • Mingshan, Zhu

Abstract

A ternary mixture of R124/R142b/R600a, named HTR01, for moderately high temperature heat pumps, was developed. Tests of material compatibility and oil miscibility showed that the mixture could be used with a R22 compressor in an HTR01 heat-pump system. A 2.92 kW moderately high temperature water source heat pump system was set up with HTR01 as the refrigerant to study the system performance with HTR01. Then, a 300 kW moderately high temperature water source heat pump system was built with HTR01 as the refrigerant to test the performance with a geothermal hot water source. The test showed that the condenser outlet water temperature could reach and hold on about 90 °C with a high coefficient of performance.

Suggested Citation

  • Nanxi, Liu & Shi, Lin & Lizhong, Han & Mingshan, Zhu, 2005. "Moderately high temperature water source heat-pumps using a near-azeotropic refrigerant mixture," Applied Energy, Elsevier, vol. 80(4), pages 435-447, April.
    • Handle: RePEc:eee:appene:v:80:y:2005:i:4:p:435-447
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    Citations

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    Cited by:

    1. Zhang, Shengjun & Wang, Huaixin & Guo, Tao, 2010. "Experimental investigation of moderately high temperature water source heat pump with non-azeotropic refrigerant mixtures," Applied Energy, Elsevier, vol. 87(5), pages 1554-1561, May.
    2. Zhang, Jing & Zhang, Hong-Hu & He, Ya-Ling & Tao, Wen-Quan, 2016. "A comprehensive review on advances and applications of industrial heat pumps based on the practices in China," Applied Energy, Elsevier, vol. 178(C), pages 800-825.
    3. 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.
    4. Jiang, Jiatong & Hu, Bin & Wang, R.Z. & Deng, Na & Cao, Feng & Wang, Chi-Chuan, 2022. "A review and perspective on industry high-temperature heat pumps," Renewable and Sustainable Energy Reviews, Elsevier, vol. 161(C).
    5. Yang, Wei & Zhou, Jin & Xu, Wei & Zhang, Guoqiang, 2010. "Current status of ground-source heat pumps in China," Energy Policy, Elsevier, vol. 38(1), pages 323-332, January.
    6. Wu, Di & Hu, Bin & Wang, R.Z., 2018. "Performance simulation and exergy analysis of a hybrid source heat pump system with low GWP refrigerants," Renewable Energy, Elsevier, vol. 116(PA), pages 775-785.
    7. Vannoni, Alberto & Sorce, Alessandro & Traverso, Alberto & Fausto Massardo, Aristide, 2023. "Large size heat pumps advanced cost functions introducing the impact of design COP on capital costs," Energy, Elsevier, vol. 284(C).

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