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DC Field | Value | Language |
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dc.contributor.author | Santini, F | - |
dc.contributor.author | Bianchi, G | - |
dc.contributor.author | Battista, DD | - |
dc.contributor.author | Villante, C | - |
dc.contributor.author | Orlandi, M | - |
dc.coverage.spatial | Paphos, Cyprus | - |
dc.date.accessioned | 2019-03-27T14:39:00Z | - |
dc.date.available | 2018-03-18 | - |
dc.date.available | 2019-03-27T14:39:00Z | - |
dc.date.issued | 2019-03-18 | - |
dc.identifier.citation | Energy Procedia, 2018, 161 pp. 309 - 316 | en_US |
dc.identifier.issn | 1876-6102 | - |
dc.identifier.issn | http://dx.doi.org/10.1016/j.egypro.2019.02.097 | - |
dc.identifier.uri | http://bura.brunel.ac.uk/handle/2438/17805 | - |
dc.description.abstract | The paper presents the development of an experimental research facility based on a transcritical single stage vapour compression refrigeration cycle with CO2 as the working fluid. The experimental setup includes instrumentation and controls which enable tests in a broad range of operating conditions. The measurements presented refer to external temperatures between 21.0°C and 33.5°C; in this latter operating point, energy and exergy analysis allowed the breakdown of irreversibilities. In particular, the gas cooler contributes to the 42.6% of the total exergy losses while the share due to the high-pressure expansion valve is 27.2%. In order to improve the performance of the refrigeration system, a theoretical model was developed including an ejector as the replacement of the expansion valve. The results show that the Coefficient of Performance (COP) is strongly dependent on the entrainment ratio; a value of greater than 0.6 seem to lead to higher COP values, even at low external temperatures. | en_US |
dc.description.sponsorship | EPTA S.p.A. | en_US |
dc.format.extent | 309 - 316 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.source | Proceedings of the 2nd International Conference on Sustainable Energy and Resource Use in Food Chains including Workshop on Energy Recovery Conversion and Management;ICSEF 2018 | - |
dc.source | Proceedings of the 2nd International Conference on Sustainable Energy and Resource Use in Food Chains including Workshop on Energy Recovery Conversion and Management;ICSEF 2018 | - |
dc.subject | transcritical CO2 refrigeration | en_US |
dc.subject | energy saving | en_US |
dc.subject | ejector | en_US |
dc.title | Experimental investigations on a transcritical CO2 refrigeration plant and theoretical comparison with an ejector-based one | en_US |
dc.type | Conference Paper | en_US |
dc.identifier.doi | http://dx.doi.org/10.1016/j.egypro.2019.02.097 | - |
dc.relation.isPartOf | Energy Procedia | - |
pubs.finish-date | 2018-10-19 | - |
pubs.finish-date | 2018-10-19 | - |
pubs.notes | Proceedings of the 2nd International Conference on Sustainable Energy and Resource Use in Food Chains including Workshop on Energy Recovery Conversion and Management;ICSEF 2018, 17 – 19 October 2018, Paphos, Cyprus keywords: transcritical CO refrigeration, energy saving, ejector | - |
pubs.publication-status | Published | - |
pubs.start-date | 2018-10-17 | - |
pubs.start-date | 2018-10-17 | - |
pubs.volume | 161 | - |
Appears in Collections: | Dept of Computer Science Research Papers |
Files in This Item:
File | Description | Size | Format | |
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FullText.pdf | 1.35 MB | Adobe PDF | View/Open |
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