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Thermodynamic behaviour of an air-conditioning system employing combined evaporative-water and air coolers

Author

Listed:
  • Tashtoush, Bourhan
  • Tahat, Mahmood
  • Al-Hayajneh, Ahmed
  • Mazur, Victor A.
  • Probert, Doug

Abstract

The performance of an open absorption-system, energized by low-grade heat such as insolation and/or waste heat, has been investigated. This combined evaporative cooler (CEC) [i.e. an indirect evaporative cooler (IEC) together with a direct evaporative-cooler (DEC)] was used to cool the air. A computer simulation of the cooling cycle was devised, so that the performance characteristics of the system could be predicted for a range of operating conditions: the influences of various design-parameters on the coefficient of performance (COP) were also evaluated. The COP of the CEC system was at least 20% greater than those achieved when employing either the IEC or DEC systems alone.

Suggested Citation

  • Tashtoush, Bourhan & Tahat, Mahmood & Al-Hayajneh, Ahmed & Mazur, Victor A. & Probert, Doug, 2001. "Thermodynamic behaviour of an air-conditioning system employing combined evaporative-water and air coolers," Applied Energy, Elsevier, vol. 70(4), pages 305-319, December.
    • Handle: RePEc:eee:appene:v:70:y:2001:i:4:p:305-319
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    Cited by:

    1. Fekadu, Geleta & Subudhi, Sudhakar, 2018. "Renewable energy for liquid desiccants air conditioning system: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 93(C), pages 364-379.
    2. Tu, Min & Huang, Hui & Liu, Ze-Hua & Chen, Huan-Xin & Ren, Cheng-Qin & Chen, Guo-Jie & Hu, Yan, 2017. "Factor analysis and optimization of operational parameters in a liquid desiccant air-conditioning system," Energy, Elsevier, vol. 139(C), pages 767-781.
    3. Wang, Yingying & Fan, Ying & Wang, Dengjia & Liu, Yanfeng & Qiu, Zhenghao & Liu, Jiaping, 2020. "Optimization of the areas of solar collectors and photovoltaic panels in liquid desiccant air-conditioning systems using solar energy in isolated low-latitude islands," Energy, Elsevier, vol. 198(C).
    4. Mohammad, Abdulrahman Th. & Bin Mat, Sohif & Sulaiman, M.Y. & Sopian, K. & Al-abidi, Abduljalil A., 2013. "Survey of hybrid liquid desiccant air conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 186-200.
    5. M. Mujahid Rafique & Shafiqur Rehman & Luai M. Alhems & Muhammad Ali Shakir, 2017. "A Liquid Desiccant Enhanced Two Stage Evaporative Cooling System—Development and Performance Evaluation of a Test Rig," Energies, MDPI, vol. 11(1), pages 1-17, December.

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