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Thermodynamic analysis of a novel combined cooling and power system driven by low-grade heat sources

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  • Yin, Jiqiang
  • Yu, Zeting
  • Zhang, Chenghui
  • Tian, Minli
  • Han, Jitian

Abstract

A novel combined cooling and power system which combines a conventional ammonia-water power/cooling cycle named Goswami cycle and an ejector refrigeration cycle is proposed and investigated. This new combined system can improve the refrigerating capacity of the conventional power/cooling system, and it can also adjust the cooling capacity to power ratio by changing the proportion of the ammonia-water flow into the turbine and the ejector. A mathematical model is developed to study the system performance. It is shown that under the given conditions the combined thermal efficiency and the combined exergy efficiency are 17.49% and 26.15%, respectively. The exergy analysis shows that the exergy destruction mainly occurs in the recovery heat exchanger, followed by boiler and rectifier, respectively. Parametric study shows that the absorber temperature, the cycle highest pressure and low pressure, the boiler temperature and the split ratio have significant effects on the net work output, the cooling capacity, the combined thermal efficiency and the combined exergy efficiency.

Suggested Citation

  • Yin, Jiqiang & Yu, Zeting & Zhang, Chenghui & Tian, Minli & Han, Jitian, 2018. "Thermodynamic analysis of a novel combined cooling and power system driven by low-grade heat sources," Energy, Elsevier, vol. 156(C), pages 319-327.
    • Handle: RePEc:eee:energy:v:156:y:2018:i:c:p:319-327
    DOI: 10.1016/j.energy.2018.05.070
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    Cited by:

    1. Meng, Dongyu & Liu, Qiang & Ji, Zhongli, 2022. "Effects of two-phase expander on the thermoeconomics of organic double-flash cycles for geothermal power generation," Energy, Elsevier, vol. 239(PD).
    2. Yu, Zeting & Su, Ruizhi & Feng, Chunyu, 2020. "Thermodynamic analysis and multi-objective optimization of a novel power generation system driven by geothermal energy," Energy, Elsevier, vol. 199(C).
    3. Geng, Donghan & Gao, Xiangjie, 2023. "Thermodynamic and exergoeconomic optimization of a novel cooling, desalination and power multigeneration system based on ocean thermal energy," Renewable Energy, Elsevier, vol. 202(C), pages 17-39.
    4. Sun, Lei & Tang, Bo & Xie, Yonghui, 2022. "Performance assessment of two compressed and liquid carbon dioxide energy storage systems: Thermodynamic, exergoeconomic analysis and multi-objective optimization," Energy, Elsevier, vol. 256(C).
    5. Wang, Aili & Wang, Shunsheng & Ebrahimi-Moghadam, Amir & Farzaneh-Gord, Mahmood & Moghadam, Ali Jabari, 2022. "Techno-economic and techno-environmental assessment and multi-objective optimization of a new CCHP system based on waste heat recovery from regenerative Brayton cycle," Energy, Elsevier, vol. 241(C).
    6. Yu, Zeting & Feng, Chunyu & Lai, Yanhua & Xu, Guoping & Wang, Daohan, 2022. "Performance assessment and optimization of two novel cogeneration systems integrating proton exchange membrane fuel cell with organic flash cycle for low temperature geothermal heat recovery," Energy, Elsevier, vol. 243(C).
    7. Ghorbani, Sobhan & Deymi-Dashtebayaz, Mahdi & Dadpour, Daryoush & Delpisheh, Mostafa, 2023. "Parametric study and optimization of a novel geothermal-driven combined cooling, heating, and power (CCHP) system," Energy, Elsevier, vol. 263(PF).
    8. sattari sadat, Seyed mohammad & Mirabdolah Lavasani, Arash & Ghaebi, Hadi, 2019. "Economic and thermodynamic evaluation of a new solid oxide fuel cell based polygeneration system," Energy, Elsevier, vol. 175(C), pages 515-533.
    9. Zhou, Xiao & Cai, Yangchao & Li, Xuetao, 2024. "Process arrangement and multi-aspect study of a novel environmentally-friendly multigeneration plant relying on a geothermal-based plant combined with the goswami cycle booted by kalina and desalinati," Energy, Elsevier, vol. 299(C).
    10. Rania Hammemi & Mouna Elakhdar & Bourhan Tashtoush & Ezzedine Nehdi, 2023. "Multi-Objective Optimization of a Solar Combined Power Generation and Multi-Cooling System Using CO 2 as a Refrigerant," Energies, MDPI, vol. 16(4), pages 1-34, February.
    11. Zhou, Zongming & Cao, Yan & Anqi, Ali E. & Zoghi, Mohammad & Habibi, Hamed & Rajhi, Ali A. & Alamri, Sagr, 2022. "Converting a geothermal-driven steam flash cycle into a high-performance polygeneration system by waste heat recovery: 3E analysis and Genetic-Fgoalattain optimization," Renewable Energy, Elsevier, vol. 186(C), pages 609-627.
    12. Dehghani, Mohammad Javad & Yoo, ChangKyoo, 2020. "Three-step modification and optimization of Kalina power-cooling cogeneration based on energy, pinch, and economics analyses," Energy, Elsevier, vol. 205(C).

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