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Optimization design of recuperator in a chemical heat pump system based on entransy dissipation theory

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  • Guo, Jiangfeng
  • Huai, Xiulan

Abstract

Based on the entransy dissipation theory, the multi-parameter optimization design of recuperator is conducted in an Isopropanol–Acetone–Hydrogen (IAH) chemical heat pump system. The performance of the heat pump system can be improved significantly through the multi-parameter optimization, when the main operation parameters of chemical heat pump remain unchanged. When the main operation parameters of chemical heat pump and the heat transfer area of recuperator remain unchanged, the heat transfer rate of recuperator, the high-temperature heat released from the exothermic reactor, and the coefficient of performance (COP) and exergy efficiency of IAH heat pump system greatly increase while the compressor power decreases remarkably as entransy dissipation number decreases. This is done only by optimizing the combination of design parameters of recuperator taking entransy dissipation number as the objective function under certain constraint conditions, and the cost is no more than the low-temperature waste heat having no practical value.

Suggested Citation

  • Guo, Jiangfeng & Huai, Xiulan, 2012. "Optimization design of recuperator in a chemical heat pump system based on entransy dissipation theory," Energy, Elsevier, vol. 41(1), pages 335-343.
    • Handle: RePEc:eee:energy:v:41:y:2012:i:1:p:335-343
    DOI: 10.1016/j.energy.2012.03.007
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    References listed on IDEAS

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    Cited by:

    1. 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.
    2. Xu, Min & Cai, Jun & Guo, Jiangfeng & Huai, Xiulan & Liu, Zhigang & Zhang, Hang, 2017. "Technical and economic feasibility of the Isopropanol-Acetone-Hydrogen chemical heat pump based on a lab-scale prototype," Energy, Elsevier, vol. 139(C), pages 1030-1039.
    3. Xiao, Gang & Yang, Tianfeng & Liu, Huanlei & Ni, Dong & Ferrari, Mario Luigi & Li, Mingchun & Luo, Zhongyang & Cen, Kefa & Ni, Mingjiang, 2017. "Recuperators for micro gas turbines: A review," Applied Energy, Elsevier, vol. 197(C), pages 83-99.
    4. Guo, Jiangfeng & Huai, Xiulan, 2012. "The application of entransy theory in optimization design of Isopropanol–Acetone–Hydrogen chemical heat pump," Energy, Elsevier, vol. 43(1), pages 355-360.

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