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Investigation of the effects of thermostatic and electronic expansion valves on the steady-state and transient performance of commercial chillers.

Author(s) : TASSOU S. A., NIZARI H. O. al-

Type of article: Article, IJR article

Summary

The aim was to establish the effect of the two valves on the transient and steady-state performance of the chiller and to quantify the effects of on-off cycling losses during part-load operation. The results indicate that the chiller has a very fast response during start-up and that cycling losses are very low. The thermostatic expansion valve gives a slightly faster response than the electronic expansion valve with the penalty, however, of less stable operation with larger superheat oscillations at steady-state conditions.

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Pages: 49-56

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Details

  • Original title: Investigation of the effects of thermostatic and electronic expansion valves on the steady-state and transient performance of commercial chillers.
  • Record ID : 1993-1990
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 16 - n. 1
  • Publication date: 1993

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