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Experimental study of gas engine driven air to water heat pump in cooling mode

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  • Elgendy, E.
  • Schmidt, J.

Abstract

Nowadays a sustainable development for more efficient use of energy and protection of the environment is of increasing importance. Gas engine heat pumps represent one of the most practicable solutions which offer high energy efficiency and environmentally friendly for heating and cooling applications. In this paper, the performance characteristics of gas engine driven heat pump used in water cooling were investigated experimentally without engine heat recovery. The effects of several important factors (evaporator water inlet temperature, evaporator water volume flow rate, ambient air temperature, and engine speed) on the performance of gas engine driven heat pump were studied in a wide range of operating conditions. The results showed that primary energy ratio of the system increased by 22.5% as evaporator water inlet temperature increased from 13°C to 24°C. On the other hand, varying of engine speed from 1300rpm to 1750rpm led to decrease in system primary energy ratio by 13%. Maximum primary energy ratio has been estimated with a value of two over a wide range of operating conditions.

Suggested Citation

  • Elgendy, E. & Schmidt, J., 2010. "Experimental study of gas engine driven air to water heat pump in cooling mode," Energy, Elsevier, vol. 35(6), pages 2461-2467.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:6:p:2461-2467
    DOI: 10.1016/j.energy.2010.02.040
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    Cited by:

    1. Elgendy, E. & Schmidt, J. & Khalil, A. & Fatouh, M., 2011. "Modelling and validation of a gas engine heat pump working with R410A for cooling applications," Applied Energy, Elsevier, vol. 88(12), pages 4980-4988.
    2. Amiri Rad, Ehsan & Maddah, Saeed & Mohammadi, Saeed, 2020. "Designing and optimizing a novel cogeneration system for an office building based on thermo-economic and environmental analyses," Renewable Energy, Elsevier, vol. 151(C), pages 342-354.
    3. Elgendy, E. & Schmidt, J. & Khalil, A. & Fatouh, M., 2010. "Performance of a gas engine heat pump (GEHP) using R410A for heating and cooling applications," Energy, Elsevier, vol. 35(12), pages 4941-4948.
    4. Wang, Jieyue & Cai, Liang & Wang, Yanwei & Ma, Yanbin & Zhang, Xiaosong, 2013. "Modeling and optimization matching on drive system of a coaxial parallel-type hybrid-power gas engine heat pump," Energy, Elsevier, vol. 55(C), pages 1196-1204.
    5. Elgendy, E. & Schmidt, J. & Khalil, A. & Fatouh, M., 2011. "Performance of a gas engine driven heat pump for hot water supply systems," Energy, Elsevier, vol. 36(5), pages 2883-2889.
    6. Fatouh, M. & Elgendy, E., 2011. "Experimental investigation of a vapor compression heat pump used for cooling and heating applications," Energy, Elsevier, vol. 36(5), pages 2788-2795.
    7. Bartosz Pawela & Marek Jaszczur, 2022. "Review of Gas Engine Heat Pumps," Energies, MDPI, vol. 15(13), pages 1-16, July.
    8. Qingkun Meng & Liang Cai & Wenxiu Ji & Jie Yan & Tao Zhang & Xiaosong Zhang, 2015. "Energy Management of a Hybrid-Power Gas Engine-Driven Heat Pump," Energies, MDPI, vol. 8(10), pages 1-22, October.
    9. Sanaye, Sepehr & Chahartaghi, Mahmood & Asgari, Hesam, 2013. "Dynamic modeling of Gas Engine driven Heat Pump system in cooling mode," Energy, Elsevier, vol. 55(C), pages 195-208.

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