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Optimization of an ice-storage air-conditioning system using a dynamic programming method.

Author(s) : CHEN H. J., WANG D. W. P., CHEN S. L.

Type of article: Article

Summary

This article explores the optimization of an ice-storage air-conditioning system taking into account both minimal life-cycle cost and efficiency of the ice-storage tank. Such an air-conditioning system consists primarily of an ice-storage tank, a screw-type chiller and auxiliary equipment. Optimization is carried out using a dynamic programming algorithm, where the power consumption models of the chiller and its auxiliary equipment as well as the heat transport in the ice-storage tank are established based on manufacturer data. Initial cost and operation cost are objective functions, and the performance of the chiller and ice-storage tanks are constraints. Through simulation analysis using a numerical program, system optimization and analysis are carried out to obtain optimum chiller and ice-storage tank capacity. Finally, the results are used to probe some design guidelines regarding life-cycle cost and payback period under chiller priority and ice priority control strategies.

Details

  • Original title: Optimization of an ice-storage air-conditioning system using a dynamic programming method.
  • Record ID : 2005-1423
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 25 - n. 2-3
  • Publication date: 2005/02

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