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Thermo-economic evaluation and optimization of a double-effect H2O/LiBr vapour-absorption refrigeration system.

Author(s) : MISRA R. D., SAHOO P. K., GUPTA A.

Type of article: Article, IJR article

Summary

In this article, the thermo-economic concept is applied to the optimization of a double-effect H2O/LiBr VAR system, aimed at minimizing its overall product cost. A simplified cost minimization methodology based on the thermoeconomic concept is applied to calculate the economic costs of all the internal flows and products of the system by formulating thermoeconomic cost balances. Once these costs are determined, the system is thermo-economically evaluated to identify the effects of the design variables on cost of the flows and products. This makes it possible to suggest changes of the design variables that would make the overall system cost-effective. Finally, an approximate optimum design configuration is obtained by means of an iterative procedure. The result shows significant improvement in the system performance. The sensitivity analysis shows that the changes in optimal values of the decision variables are negligible with changes in the fuel cost.

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Pages: 331-343

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Details

  • Original title: Thermo-economic evaluation and optimization of a double-effect H2O/LiBr vapour-absorption refrigeration system.
  • Record ID : 2005-1846
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 28 - n. 3
  • Publication date: 2005/05

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