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New correlations of some thermophysical properties of alkali nitrate/nitrite aqueous solutions for absorption heat pumps and refrigeration systems activated at high temperature.

Number: pap. n. 543

Author(s) : VARGAS P., FITO J., SALAVERA D., et al.

Summary

New correlations are proposed to calculate important thermophysical properties, as vapor pressure, enthalpy, solubility, density and viscosity, of some aqueous solutions of alkali nitrate and nitrite proposed as adequate absorbents for absorption refrigeration and heat pumps activated at high temperature. Pressure-temperature-composition and enthalpy-temperature-composition diagrams have been obtaibed for the aqueous solutions of LiNO3 + NaNO3 + KNO3 in mass fraction ratio (53:19:28) and LiNO3 + KNO3 + NaNO2 (53:35:12).

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Pages: 10 p.

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Details

  • Original title: New correlations of some thermophysical properties of alkali nitrate/nitrite aqueous solutions for absorption heat pumps and refrigeration systems activated at high temperature.
  • Record ID : 30016044
  • Languages: English
  • Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Publication date: 2015/08/16
  • DOI: http://dx.doi.org/10.18462/iir.icr.2015.0543

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