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Temperature-heat diagram analysis method for heat recovery physical adsorption refrigeration cycle. Taking multi-stage cycle as an example.

Author(s) : WU Z. S., WANG R. Z., WANG L. W.

Type of article: Article, IJR article

Summary

The method of temperature–heat (T–Q) diagram analysis was proposed in this article. In T–Q diagram, the area between two process curves along the temperature axis represents the irreversibility degree of heat transfer, which has the same dimension with entransy dissipation. T–Q diagram can be used to optimize the heat exchange configuration and the heat exchanger network of adsorption refrigeration systems. The proposed T–Q diagram and traditional energy, exergy and entropy analyses were adopted to a multi-stage heat recovery adsorption refrigeration system. Results show that the optimal heat recovery schemes determined through T–Q diagram and cycle entropy production analyses are identical, while T–Q diagram is more intuitional since the analysis procedure is done graphically. T–Q diagram can also be applied to analyze experiment related results of process temperatures, and is capable of giving an estimation of the performance improvement for heat recovery cycle.

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Pages: 252-266

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Details

  • Original title: Temperature-heat diagram analysis method for heat recovery physical adsorption refrigeration cycle. Taking multi-stage cycle as an example.
  • Record ID : 30020000
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 74
  • Publication date: 2017/02

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