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Experimental evaluation of a single-stage heat transformer operating with the water/Carrol™ mixture

Author

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  • Rivera, W
  • Romero, R.J
  • Best, R
  • Heard, C.L

Abstract

This paper describes experimental results obtained with a single-stage heat transformer (SSHT). Many combinations of fluid pairs have been proposed although only the water/lithium bromide mixture has been widely used. The experimental work was done using the water/Carrol™ mixture, where Carrol™ is a mixture of LiBr and ethylene glycol [(CH2OH)2] in the ratio 1:4.5 by weight. Flow ratios, gross temperature lifts, useful heat, and coefficients of performance are plotted for the heat transformer vs temperatures and solution concentrations. Because the water/Carrol™ mixture has higher solubility than water/lithium bromide and high experimental values are obtained for the gross temperature lift, it is a preferred mixture.

Suggested Citation

  • Rivera, W & Romero, R.J & Best, R & Heard, C.L, 1999. "Experimental evaluation of a single-stage heat transformer operating with the water/Carrol™ mixture," Energy, Elsevier, vol. 24(4), pages 317-326.
    • Handle: RePEc:eee:energy:v:24:y:1999:i:4:p:317-326
    DOI: 10.1016/S0360-5442(98)00097-8
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    Cited by:

    1. 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.
    2. Privat, Romain & Qian, Jun-Wei & Alonso, Dominique & Jaubert, Jean-Noël, 2013. "Quest for an efficient binary working mixture for an absorption-demixing heat transformer," Energy, Elsevier, vol. 55(C), pages 594-609.
    3. Göktun, Selahattin & Deha Er, Ismail, 2002. "Performance analysis of an irreversible cascaded heat-transformer," Applied Energy, Elsevier, vol. 72(2), pages 529-539, June.
    4. Alonso, Dominique & Cachot, Thierry & Hornut, Jean-Marie, 2002. "Performance simulation of an absorption heat transformer operating with partially miscible mixtures," Applied Energy, Elsevier, vol. 72(3-4), pages 583-597, July.
    5. Basurto-Pensado, M.A. & Romero, R.J. & Sánchez-Mondragón, J.J. & Dorantes-Romero, D., 2011. "Analysis and characterization of an optical fiber for Carrol–Water liquid pair," Energy, Elsevier, vol. 36(7), pages 3952-3958.

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