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An air-conditioning unit with a zeotropic mixture controlled by a distillation column

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  • ZHAO, YANG
  • YITAI, MA
  • SANYUAN, ZHAO
  • YIE, LI

Abstract

We describe a new air-conditioning and heat-pump system, which may be used to separate a refrigerant mixture efficiently and adjust the composition in the system with cooling- or heating-load changes. A dynamic model has been developed to analyze the transient behavior of the capacity-control system. An air conditioner equipped with a small distillation circuit has been tested. Increases in the SEERs (seasonal energy efficiency ratios) for the new composition-controlled system are 28.3 and 17.7% and capacity changes 57.3–91.8% and 71.5–101%, respectively, for R22/142b and R23/124.

Suggested Citation

  • Zhao, Yang & Yitai, Ma & Sanyuan, Zhao & Yie, Li, 1998. "An air-conditioning unit with a zeotropic mixture controlled by a distillation column," Energy, Elsevier, vol. 23(9), pages 777-784.
  • Handle: RePEc:eee:energy:v:23:y:1998:i:9:p:777-784
    DOI: 10.1016/S0360-5442(97)00111-4
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    Cited by:

    1. Zheng, Nan & Song, Weidong & Zhao, Li, 2013. "Theoretical and experimental investigations on the changing regularity of the extreme point of the temperature difference between zeotropic mixtures and heat transfer fluid," Energy, Elsevier, vol. 55(C), pages 541-552.

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