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Behavior of a two-stage absorption heat transformer combining latent and sensible heat exchange modes

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  • Ji, Jun
  • Ishida, Masaru

Abstract

A two-stage absorption heat transformer (TAHT) and its improved version, the cycle incorpaorating latent heat and sensible heat modes, are investigated by emplying energy-utilization diagrams (EUDs). Utilizing the exhaust gas of a gas turbine as the heat source and employing the water/lithium bromide as the working fluid, it has been concluded that this is an effective way of decreasing the exergy loss by combining latent and sensible heat exchange modes. Furthermore, the temperature of the useful heat is increased. This analysis can provide a basis for synthesis and development of absorption heat transformer systems.

Suggested Citation

  • Ji, Jun & Ishida, Masaru, 1999. "Behavior of a two-stage absorption heat transformer combining latent and sensible heat exchange modes," Applied Energy, Elsevier, vol. 62(4), pages 267-281, April.
    • Handle: RePEc:eee:appene:v:62:y:1999:i:4:p:267-281
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    Cited by:

    1. Liu, Zijian & Lu, Ding & Shen, Tao & Cheng, Rui & Chen, Rundong & Gong, Maoqiong, 2023. "Improving heat supply of ammonia-water absorption heat transformer by enlarging heat source utilization temperature span," Energy, Elsevier, vol. 280(C).
    2. Liu, Zijian & Lu, Ding & Tao, Shen & Chen, Rundong & Gong, Maoqiong, 2024. "Experimental study on using 85 °C low-grade heat to generate <120 °C steam by a temperature-distributed absorption heat transformer," Energy, Elsevier, vol. 299(C).
    3. Parham, Kiyan & Khamooshi, Mehrdad & Tematio, Daniel Boris Kenfack & Yari, Mortaza & Atikol, Uğur, 2014. "Absorption heat transformers – A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 34(C), pages 430-452.
    4. Wang, Sheng & Xie, Xiaoyun & Jiang, Yi, 2014. "Optimization design of the large temperature lift/drop multi-stage vertical absorption temperature transformer based on entransy dissipation method," Energy, Elsevier, vol. 68(C), pages 712-721.
    5. Donnellan, Philip & Byrne, Edmond & Oliveira, Jorge & Cronin, Kevin, 2014. "First and second law multidimensional analysis of a triple absorption heat transformer (TAHT)," Applied Energy, Elsevier, vol. 113(C), pages 141-151.
    6. Donnellan, Philip & Cronin, Kevin & Byrne, Edmond, 2015. "Recycling waste heat energy using vapour absorption heat transformers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 1290-1304.

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