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Thermodynamic simulation of condensation heat recovery characteristics of a single stage centrifugal chiller in a hotel

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  • Gong, Guangcai
  • Chen, Feihu
  • Su, Huan
  • Zhou, Jianyong

Abstract

A thermodynamic simulation study has been carried out for a single stage centrifugal chiller in this paper. The cooling capacity of the chiller unit is about 1750kW. The chiller unit has been set and tested, and the work refrigerant is R22. A heat exchanger has been set between outlet of the compressor and the condenser for sanitary hot water supplying. Then the chiller unit is a kind of combined system that can provide sanitary hot water supplying and air conditioning simultaneously. A thermodynamic simulation model of the combined system has been established with the system simulation toolbox Simulink. Performance of the components and the combined system of the chiller unit has been studied over a wide range of operating conditions. The potential energy and fuel cost saving associated with the use of the proposed combined system for a typical hotel in south China has been estimated. It is showed that the combined system of the chiller unit is very useful in hotel buildings. And the thermodynamic simulation model of the combined system is significance for the optimization of parameters of the chiller unit such as condensation and evaporation temperature, mass flow of the sanitary hot water and size of hot water storage tank.

Suggested Citation

  • Gong, Guangcai & Chen, Feihu & Su, Huan & Zhou, Jianyong, 2012. "Thermodynamic simulation of condensation heat recovery characteristics of a single stage centrifugal chiller in a hotel," Applied Energy, Elsevier, vol. 91(1), pages 326-333.
    • Handle: RePEc:eee:appene:v:91:y:2012:i:1:p:326-333
    DOI: 10.1016/j.apenergy.2011.08.007
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    References listed on IDEAS

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    1. Lee, Alex H. W. & Jones, J. W., 1997. "Analytical model of a residential desuperheater," Applied Energy, Elsevier, vol. 57(4), pages 271-285, August.
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    Cited by:

    1. Paul Byrne, 2022. "Research Summary and Literature Review on Modelling and Simulation of Heat Pumps for Simultaneous Heating and Cooling for Buildings," Energies, MDPI, vol. 15(10), pages 1-43, May.
    2. Tipole, Pralhad & Karthikeyan, A. & Bhojwani, Virendra & Patil, Abhay & Oak, Ninad & Ponatil, Amal & Nagori, Palash, 2016. "Applying a magnetic field on liquid line of vapour compression system is a novel technique to increase a performance of the system," Applied Energy, Elsevier, vol. 182(C), pages 376-382.
    3. She, Xiaohui & Cong, Lin & Nie, Binjian & Leng, Guanghui & Peng, Hao & Chen, Yi & Zhang, Xiaosong & Wen, Tao & Yang, Hongxing & Luo, Yimo, 2018. "Energy-efficient and -economic technologies for air conditioning with vapor compression refrigeration: A comprehensive review," Applied Energy, Elsevier, vol. 232(C), pages 157-186.
    4. Chen, Hongxia & Xu, Jinliang & Li, Zijin & Xing, Feng & Xie, Jian, 2013. "Stratified two-phase flow pattern modulation in a horizontal tube by the mesh pore cylinder surface," Applied Energy, Elsevier, vol. 112(C), pages 1283-1290.
    5. Duan, Jimiao & Gong, Jing & Yao, Haiyuan & Deng, Tao & Zhou, Jun, 2014. "Numerical modeling for stratified gas–liquid flow and heat transfer in pipeline," Applied Energy, Elsevier, vol. 115(C), pages 83-94.
    6. Chen, Qun & Wang, Yi-Fei & Xu, Yun-Chao, 2015. "A thermal resistance-based method for the optimal design of central variable water/air volume chiller systems," Applied Energy, Elsevier, vol. 139(C), pages 119-130.

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