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

Yang Zhao, Ma Yitai, Zhao Sanyuan and Li Yie

Energy, 1998, vol. 23, issue 9, 777-784

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.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:23:y:1998:i:9:p:777-784

DOI: 10.1016/S0360-5442(97)00111-4

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