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Dynamic simulation program with object-oriented formulation for absorption chillers (modelling, verification, and application to triple-effect absorption chiller).

Author(s) : MATSUSHIMA H., FUJII T., KOMATSU T., et al.

Type of article: Article, IJR article

Summary

A new dynamic simulation program for predicting the transient behaviour of absorption chillers with arbitrary cycle configurations has been developed. This program combines an object-oriented formulation and a parallel processing program architecture. A new algorithm for calculating the flow rate in a solution circulation line has been also developed. The simulated results of transient behaviour of a double-effect absorption chiller cycle agree with the measured behaviour of a machine from startup to shutdown. For example, predicted values of the cooling capacity of the chiller, the pressure and temperature of the high temperature generator agree with experimental values almost within 10%. This program has been applied in the development stage of a new machine: a high-performance triple-effect absorption chiller. As a result, this machine operates smoothly without any significant problems, and achieves COP of over 1.6 on the basis of high heat value.

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Pages: pp. 259-268

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Details

  • Original title: Dynamic simulation program with object-oriented formulation for absorption chillers (modelling, verification, and application to triple-effect absorption chiller).
  • Record ID : 2009-2359
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 33 - n. 2
  • Publication date: 2010/03

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