Mathematical modelling and performance analysis of a novel auto-cascade refrigeration cycle for ultra-low temperature applications
| dc.contributor.author | Ibrahim Karacayli | |
| dc.contributor.author | Lutfiye Altay | |
| dc.contributor.author | A. Hepbasli | |
| dc.date.accessioned | 2025-10-06T17:49:35Z | |
| dc.date.issued | 2023 | |
| dc.description.abstract | The main objective of this study is to assess both energetically and exergetically the performance of a novel auto-cascade refrigeration (NACR) cycle enhanced by an internal heat exchanger using R290/R170. In contrast to the ACR cycle with a –60°C evaporation temperature the NACR cycle displays a COP increase of 140.78% and a 148.67% improvement in exergy efficiency. Additionally there is a notable decrease of 13.77% in compressor discharge temperature. For an evaporation temperature of –55°C the NACR cycle achieves a COP of 0.403 and an exergy efficiency of 14.61% with the compressor discharge temperature registering at 126.60°C. © 2023 Elsevier B.V. All rights reserved. | |
| dc.identifier.doi | 10.1504/IJEX.2023.134611 | |
| dc.identifier.issn | 17428300, 17428297 | |
| dc.identifier.issn | 1742-8297 | |
| dc.identifier.issn | 1742-8300 | |
| dc.identifier.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85179127037&doi=10.1504%2FIJEX.2023.134611&partnerID=40&md5=cfb52eb69af9aec25b7a0aecec6e65ce | |
| dc.identifier.uri | https://gcris.yasar.edu.tr/handle/123456789/8511 | |
| dc.language.iso | English | |
| dc.publisher | Inderscience Publishers | |
| dc.relation.ispartof | International Journal of Exergy | |
| dc.source | International Journal of Exergy | |
| dc.subject | Acr, Auto-cascade Refrigeration, Coefficient Of Performance, Cop, Exergy Analysis, Refrigeration, Second Law Efficiency, Ultra-low Temperature, Efficiency, Evaporation, Exergy, Low Temperature Effects, Temperature, Acr, Auto-cascade Refrigeration, Coefficient Of Performance, Cop, Evaporation Temperature, Exergy Analysis, Exergy Efficiencies, Refrigeration Cycles, Second Law Efficiencies, Ultra Low Temperatures, Refrigeration | |
| dc.subject | Efficiency, Evaporation, Exergy, Low temperature effects, Temperature, ACR, Auto-cascade refrigeration, Coefficient of Performance, COP, Evaporation temperature, Exergy Analysis, Exergy efficiencies, Refrigeration cycles, Second law efficiencies, Ultra low temperatures, Refrigeration | |
| dc.title | Mathematical modelling and performance analysis of a novel auto-cascade refrigeration cycle for ultra-low temperature applications | |
| dc.type | Article | |
| dspace.entity.type | Publication | |
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| gdc.description.endpage | 245 | |
| gdc.description.startpage | 229 | |
| gdc.description.volume | 42 | |
| gdc.identifier.openalex | W4388052277 | |
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| gdc.oaire.influence | 2.4137439E-9 | |
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| gdc.oaire.keywords | second law efficiency | |
| gdc.oaire.keywords | ACR | |
| gdc.oaire.keywords | refrigeration | |
| gdc.oaire.keywords | auto-cascade refrigeration | |
| gdc.oaire.keywords | ultra-low temperature | |
| gdc.oaire.keywords | Exergy | |
| gdc.oaire.keywords | exergy analysis | |
| gdc.oaire.keywords | coefficient of performance | |
| gdc.oaire.keywords | COP | |
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| oaire.citation.endPage | 245 | |
| oaire.citation.startPage | 229 | |
| person.identifier.scopus-author-id | Karacayli- Ibrahim (57209641127), Altay- Lutfiye (57194034206), Hepbasli- A. (55131010100) | |
| project.funder.name | The authors would like to thank the reviewers and the editor for their valuable and constructive comments which led to improving the quality of the paper. | |
| publicationissue.issueNumber | 2 | |
| publicationvolume.volumeNumber | 42 | |
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