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Recommended by the IIR / IIR document
Performance evaluation of a hybrid refrigeration cycle by combining an absorption process with a compression process using Low‐GWP refrigerant.
Number: 0178
Author(s) : WAKABAYASHI T., SAKURAI S., TAKIOKA R., YABASE H., INOUE N., IKUMI Y., SAITO K.
Summary
This research is intended to evaluate a “hybrid refrigeration cycle” which is combining an absorption process driven by utilizing low‐temperature waste heat with a compression process in one circulation cycle. HFO or HCFO refrigerant and an organic solvent were used as a working pair for the absorption process.
The absorption equilibrium solubilities of the working pairs were measured when the experimental temperature and pressure conditions were changed. The parameters of NRTL model were determined by the experimental absorption equilibrium solubilities, and the PTx lines of the working pairs were calculated. Further, the enthalpy–concentration diagrams of the working pairs were calculated by using the material properties of the refrigerants and the absorbents.
It was confirmed that there are the conditions that the estimated cooling COPc based on the power in the hybrid refrigeration cycle can be significantly higher than that in the compression refrigeration cycle.
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Details
- Original title: Performance evaluation of a hybrid refrigeration cycle by combining an absorption process with a compression process using Low‐GWP refrigerant.
- Record ID : 30031380
- Languages: English
- Subject: Technology
- Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Publication date: 2023/08/21
- DOI: http://dx.doi.org/10.18462/iir.icr.2023.0178
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