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Thermodynamic optimization of regenerators.

Author(s) : DAS S. K., SAHOO R. K.

Type of article: Article

Summary

The paper presents a second law of thermodynamics analysis technique for regenerators in single blow operation. Unlike earlier analyses, this technique accounts for the gas and matrix temperature variation along the temporal and spatial coordinates. The results of the study indicate that: 1) well defined optima exist with regard to charging time and number of heat transfer units for maximizing the useful work stored; 2) whereas in earlier analyses a finite optimum charging time results as number of transfer units approaches infinity, in the analysis a square wave of specific irreversibility propagates in the medium. To obtain an appropriate analytical expression, the analysis is approximated to suit a low number of transfer units generator.

Details

  • Original title: Thermodynamic optimization of regenerators.
  • Record ID : 1993-1871
  • Languages: English
  • Source: Cryogenics - vol. 31 - n. 10
  • Publication date: 1991/10

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