IDEAS home Printed from https://ideas.repec.org/a/eee/energy/v185y2019icp337-349.html
   My bibliography  Save this article

Experimental investigation on NH3–H2O generator-absorber heat exchange (GAX) absorption heat pump

Author

Listed:
  • Wang, Jian
  • Wu, Wei
  • Shi, Wenxing
  • Li, Xianting
  • Wang, Baolong

Abstract

Compared with conventional fuel-direct-burning heating systems, heat-driven absorption heat pump has high efficiency. To further improve the heating performance, generator-absorber heat exchange (GAX) absorption heat pump was developed, but its experimental research was not enough. The parameters tested were usually just COP and heating capacity in the existing literature, the variation of some internal parameters were rarely measured and analyzed. Besides, the latent heat exchange between the generator and the absorber could not continue normally under high thermal lift (TCON-TEVA) and low thermal thrust (TGEN-TABS), instead, more sensible heat is transferred, the temperature overlap decreases or even disappears, and the circulation process of GAX cycle approaches to that of single-effect cycle. This phenomenon is named “cycle degradation”, and is crucial to understand the working principle of GAX for optimal design and control. The cycle degradation was only simulated under low evaporation temperature, but has not been analyzed with experimental data, the influence rules of other external operational parameters on the phenomenon are also not clear. Therefore, a prototype of GAX absorption heat pump is built up, many internal and external parameters are measured and used to investigate the cycle degradation and overall performance under different testing conditions. During the experiment, the COP is in the range of 1.185–1.506, the cycle degradation occurs when the “lifting factor (Eq [18])” is lower than 2.3. Moreover, the performance improves with the increase of driving temperature or low-grade heat source temperature, and deteriorates due to the rise of supply water temperature.

Suggested Citation

  • Wang, Jian & Wu, Wei & Shi, Wenxing & Li, Xianting & Wang, Baolong, 2019. "Experimental investigation on NH3–H2O generator-absorber heat exchange (GAX) absorption heat pump," Energy, Elsevier, vol. 185(C), pages 337-349.
    • Handle: RePEc:eee:energy:v:185:y:2019:i:c:p:337-349
    DOI: 10.1016/j.energy.2019.07.049
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0360544219313763
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.energy.2019.07.049?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Jawahar, C.P. & Saravanan, R., 2010. "Generator absorber heat exchange based absorption cycle--A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(8), pages 2372-2382, October.
    2. Wu, Wei & Wang, Baolong & Shi, Wenxing & Li, Xianting, 2014. "Absorption heating technologies: A review and perspective," Applied Energy, Elsevier, vol. 130(C), pages 51-71.
    3. Wu, Wei & Wang, Baolong & Shi, Wenxing & Li, Xianting, 2014. "An overview of ammonia-based absorption chillers and heat pumps," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 681-707.
    4. Wu, Wei & Ran, Siyuan & Shi, Wenxing & Wang, Baolong & Li, Xianting, 2016. "NH3-H2O water source absorption heat pump (WSAHP) for low temperature heating: Experimental investigation on the off-design performance," Energy, Elsevier, vol. 115(P1), pages 697-710.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Jia, Teng & Dou, Pengbo & Chen, Erjian & Dai, Yanjun, 2022. "Feasibility and performance analysis of a hybrid GAX-based absorption-compression heat pump system for space heating in extremely cold climate conditions," Energy, Elsevier, vol. 242(C).

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Jia, Teng & Dai, Yanjun, 2018. "Development of a novel unbalanced ammonia-water absorption-resorption heat pump cycle for space heating," Energy, Elsevier, vol. 161(C), pages 251-265.
    2. Valerie Eveloy & Dereje S. Ayou, 2019. "Sustainable District Cooling Systems: Status, Challenges, and Future Opportunities, with Emphasis on Cooling-Dominated Regions," Energies, MDPI, vol. 12(2), pages 1-64, January.
    3. Wu, Wei & Bai, Yu & Huang, Hongyu & Ding, Zhixiong & Deng, Lisheng, 2019. "Charging and discharging characteristics of absorption thermal energy storage using ionic-liquid-based working fluids," Energy, Elsevier, vol. 189(C).
    4. Sui, Yunren & Wu, Wei, 2023. "Ionic liquid screening and performance optimization of transcritical carbon dioxide absorption heat pump enhanced by expander," Energy, Elsevier, vol. 263(PA).
    5. Ding, Zhixiong & Wu, Wei & Leung, Michael, 2021. "Advanced/hybrid thermal energy storage technology: material, cycle, system and perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    6. Du, S. & Wang, R.Z., 2019. "A unified single stage ammonia-water absorption system configuration with producing best thermal efficiencies for freezing, air-conditioning and space heating applications," Energy, Elsevier, vol. 174(C), pages 1039-1048.
    7. Chen, X. & Wang, R.Z. & Du, S., 2017. "An improved cycle for large temperature lifts application in water-ammonia absorption system," Energy, Elsevier, vol. 118(C), pages 1361-1369.
    8. Wu, Wei & Shi, Wenxing & Wang, Jian & Wang, Baolong & Li, Xianting, 2016. "Experimental investigation on NH3–H2O compression-assisted absorption heat pump (CAHP) for low temperature heating under lower driving sources," Applied Energy, Elsevier, vol. 176(C), pages 258-271.
    9. Zhai, Chong & Wu, Wei & Coronas, Alberto, 2021. "Membrane-based absorption cooling and heating: Development and perspectives," Renewable Energy, Elsevier, vol. 177(C), pages 663-688.
    10. Du, S. & Wang, R.Z. & Chen, X., 2017. "Development and experimental study of an ammonia water absorption refrigeration prototype driven by diesel engine exhaust heat," Energy, Elsevier, vol. 130(C), pages 420-432.
    11. Abed, Azher M. & Alghoul, M.A. & Sopian, K. & Majdi, Hasan Sh. & Al-Shamani, Ali Najah & Muftah, A.F., 2017. "Enhancement aspects of single stage absorption cooling cycle: A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 77(C), pages 1010-1045.
    12. Miah, J.H. & Griffiths, A. & McNeill, R. & Poonaji, I. & Martin, R. & Leiser, A. & Morse, S. & Yang, A. & Sadhukhan, J., 2015. "Maximising the recovery of low grade heat: An integrated heat integration framework incorporating heat pump intervention for simple and complex factories," Applied Energy, Elsevier, vol. 160(C), pages 172-184.
    13. Du, S. & Wang, R.Z. & Xia, Z.Z., 2015. "Graphical analysis on internal heat recovery of a single stage ammonia–water absorption refrigeration system," Energy, Elsevier, vol. 80(C), pages 687-694.
    14. Amaris, Carlos & Vallès, Manel & Bourouis, Mahmoud, 2018. "Vapour absorption enhancement using passive techniques for absorption cooling/heating technologies: A review," Applied Energy, Elsevier, vol. 231(C), pages 826-853.
    15. Dou, Pengbo & Jia, Teng & Chu, Peng & Dai, Yanjun & Shou, Chunhui, 2022. "Performance analysis of no-insulation long distance thermal transportation system based on single-stage absorption-resorption cycle," Energy, Elsevier, vol. 243(C).
    16. Sochard, Sabine & Castillo Garcia, Lorenzo & Serra, Sylvain & Vitupier, Yann & Reneaume, Jean-Michel, 2017. "Modelling a solar absorption chiller using positive flash to estimate the physical state of streams and theoretical plate concept for the generator," Renewable Energy, Elsevier, vol. 109(C), pages 121-134.
    17. Schlosser, F. & Jesper, M. & Vogelsang, J. & Walmsley, T.G. & Arpagaus, C. & Hesselbach, J., 2020. "Large-scale heat pumps: Applications, performance, economic feasibility and industrial integration," Renewable and Sustainable Energy Reviews, Elsevier, vol. 133(C).
    18. Jain, Vaibhav & Sachdeva, Gulshan & Kachhwaha, S.S., 2015. "Thermodynamic modelling and parametric study of a low temperature vapour compression-absorption system based on modified Gouy-Stodola equation," Energy, Elsevier, vol. 79(C), pages 407-418.
    19. Andrés Villarruel-Jaramillo & Manuel Pérez-García & José M. Cardemil & Rodrigo A. Escobar, 2021. "Review of Polygeneration Schemes with Solar Cooling Technologies and Potential Industrial Applications," Energies, MDPI, vol. 14(20), pages 1-30, October.
    20. Wu, Xi & Xu, Shiming & Jiang, Mengnan, 2018. "Development of bubble absorption refrigeration technology: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 3468-3482.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:energy:v:185:y:2019:i:c:p:337-349. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.