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Theoretical and experimental study on a frost-free refrigerated display cabinet.
Number: 292572
Author(s) : ZHANG L., NAKAJIMA K., TASHIRO Y., YAMADA H., SAIKAWA M., HASEGAWA H.
Summary
We propose a frost-free refrigerated display cabinet (RDC) that mainly comprises a compressor, a low-temperature evaporator and two desiccant-coated heat exchangers (DCHEs). One of the DCHEs works as a mid-temperature evaporator, in which the return air is dehumidified due to the desiccant adsorption process. The dry air leaving the DCHE is cooled by the low-temperature evaporator and supplied to the display cabinet. Meanwhile, another DCHE works as a condenser, in which the desiccant is regenerated using condensation heat that would otherwise be ejected into the ambient air in conventional RDCs. Calculation was conducted for a forced draft, open-type frost-free RDC, with cabin volume of 67L and cabin temperature of 2~8°C and the results show daily electricity consumption of 10.4 MJ, 70% of which is due to the compressor.
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Details
- Original title: Theoretical and experimental study on a frost-free refrigerated display cabinet.
- Record ID : 30027577
- Languages: English
- Subject: Technology
- Source: 6th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Nantes, France, August 26-28 2020
- Publication date: 2020/08/26
- DOI: http://dx.doi.org/10.18462/iir.iccc.2020.292572
- Document available for consultation in the library of the IIR headquarters only.
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