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Steady-state simulation of screw liquid chillers.

Author(s) : FU L., DING G., SU Z., et al.

Type of article: Article

Summary

The model presented includes sub-models for key components, such as a non-economized compressor, an economized compressor, a shell-and-tube condenser, an expansion valve, and a flooded evaporator. A sequential modular method and successive substitution methods were combined together to carry out the simulation of the chillers. It was found that the cooling capacity of a screw liquid chiller appears to be increased by adding the economizer, but only when the volumetric ratio of the first stage internal compression is greater than a certain value; the economized screw liquid chiller can gain a higher COP than that of the non-economized one.

Details

  • Original title: Steady-state simulation of screw liquid chillers.
  • Record ID : 2003-2990
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 22 - n. 15
  • Publication date: 2002/10

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