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A VISCOSITY MODEL FOR MULTI-ELECTROLYTE SOLUTIONS.

Author(s) : WIMBY M., LIU Y., BERNTSSON T.

Summary

ONE WAY TO ENHANCE THE APPLICABILITY OF WATER-LITHIUM BROMIDE ABSORPTION HEAT PUMPS IS THE SUPPRESSION OF CRYSTALLIZATION BY ADDITION OF OTHER ELECTROLYTES TO THE WORKING FLUID. A MODEL DESCRIBING THE VISCOSITY OF MULTI-ELECTROLYTE SOLUTIONS IS PRESENTED. THE EQUATION IS A COMBINATION OF THE EYRING EQUATION, WHICH RELATES VISCOSITY TO THE HEAT OF MIXING OF THE SOLUTION, AND A FREE VOLUME MODEL THAT INCORPORATES THE NON-ARRHENIUS TEMPERATURE DEPENDENCE THAT IS COMMON IN CONCENTRATED ELECTROLYTE SOLUTIONS. THE METHOD IS DEMONSTRATED ON THE SYSTEM WATER-LITHIUM BROMIDE-LITHIUM CHLORIDE.

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Pages: 388-392

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Details

  • Original title: A VISCOSITY MODEL FOR MULTI-ELECTROLYTE SOLUTIONS.
  • Record ID : 1992-1885
  • Languages: English
  • Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
  • Publication date: 1991/08/10
  • Document available for consultation in the library of the IIR headquarters only.

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