{"id":"https://openalex.org/W2971557383","doi":"https://doi.org/10.3390/e21090874","title":"Thermodynamic Analysis of Transcritical CO2 Ejector Expansion Refrigeration Cycle with Dedicated Mechanical Subcooling","display_name":"Thermodynamic Analysis of Transcritical CO2 Ejector Expansion Refrigeration Cycle with Dedicated Mechanical Subcooling","publication_year":2019,"publication_date":"2019-09-08","ids":{"openalex":"https://openalex.org/W2971557383","doi":"https://doi.org/10.3390/e21090874","mag":"2971557383"},"language":"en","primary_location":{"id":"doi:10.3390/e21090874","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e21090874","pdf_url":"https://www.mdpi.com/1099-4300/21/9/874/pdf?version=1568080243","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/21/9/874/pdf?version=1568080243","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112406054","display_name":"Ruansong Fu","orcid":null},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruansong Fu","raw_affiliation_strings":["College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100394105","display_name":"Jinhui Wang","orcid":"https://orcid.org/0000-0001-7024-3313"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinhui Wang","raw_affiliation_strings":["College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063648122","display_name":"Minfeng Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I83791580","display_name":"Fujian University of Technology","ror":"https://ror.org/03c8fdb16","country_code":"CN","type":"education","lineage":["https://openalex.org/I83791580"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minfeng Zheng","raw_affiliation_strings":["College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China","institution_ids":["https://openalex.org/I83791580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083202351","display_name":"Kaihong Yu","orcid":"https://orcid.org/0000-0003-2918-8871"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaihong Yu","raw_affiliation_strings":["College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100450786","display_name":"Xi Liu","orcid":"https://orcid.org/0000-0002-1433-2917"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xi Liu","raw_affiliation_strings":["College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350116, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]},{"raw_affiliation_string":"State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084481881","display_name":"Xuelai Li","orcid":null},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xuelai Li","raw_affiliation_strings":["College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China","institution_ids":["https://openalex.org/I80947539"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5084481881","https://openalex.org/A5100450786"],"corresponding_institution_ids":["https://openalex.org/I80947539"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":0.5754,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.65196222,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"21","issue":"9","first_page":"874","last_page":"874"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11529","display_name":"Refrigeration and Air Conditioning Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11529","display_name":"Refrigeration and Air Conditioning Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10402","display_name":"Phase Equilibria and Thermodynamics","score":0.9682999849319458,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12139","display_name":"Advanced Thermodynamic Systems and Engines","score":0.9240000247955322,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/subcooling","display_name":"Subcooling","score":0.9825054407119751},{"id":"https://openalex.org/keywords/refrigeration","display_name":"Refrigeration","score":0.8209414482116699},{"id":"https://openalex.org/keywords/transcritical-cycle","display_name":"Transcritical cycle","score":0.8084671497344971},{"id":"https://openalex.org/keywords/refrigerant","display_name":"Refrigerant","score":0.8072234392166138},{"id":"https://openalex.org/keywords/coefficient-of-performance","display_name":"Coefficient of performance","score":0.7454222440719604},{"id":"https://openalex.org/keywords/injector","display_name":"Injector","score":0.6757553815841675},{"id":"https://openalex.org/keywords/thermodynamics","display_name":"Thermodynamics","score":0.5786020755767822},{"id":"https://openalex.org/keywords/thermodynamic-cycle","display_name":"Thermodynamic cycle","score":0.5675920844078064},{"id":"https://openalex.org/keywords/exergy","display_name":"Exergy","score":0.5545154809951782},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5159969329833984},{"id":"https://openalex.org/keywords/thermal-expansion-valve","display_name":"Thermal expansion valve","score":0.45322829484939575},{"id":"https://openalex.org/keywords/heat-pump-and-refrigeration-cycle","display_name":"Heat pump and refrigeration cycle","score":0.4433624744415283},{"id":"https://openalex.org/keywords/cooling-capacity","display_name":"Cooling capacity","score":0.43580538034439087},{"id":"https://openalex.org/keywords/nuclear-engineering","display_name":"Nuclear engineering","score":0.4293445646762848},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4170769453048706},{"id":"https://openalex.org/keywords/process-engineering","display_name":"Process engineering","score":0.33268189430236816},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.32852858304977417},{"id":"https://openalex.org/keywords/heat-exchanger","display_name":"Heat exchanger","score":0.20403292775154114},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1926293671131134},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12335798144340515},{"id":"https://openalex.org/keywords/heat-transfer","display_name":"Heat transfer","score":0.1114177405834198}],"concepts":[{"id":"https://openalex.org/C115139850","wikidata":"https://www.wikidata.org/wiki/Q7630971","display_name":"Subcooling","level":3,"score":0.9825054407119751},{"id":"https://openalex.org/C69907114","wikidata":"https://www.wikidata.org/wiki/Q747713","display_name":"Refrigeration","level":2,"score":0.8209414482116699},{"id":"https://openalex.org/C75825664","wikidata":"https://www.wikidata.org/wiki/Q1155000","display_name":"Transcritical cycle","level":4,"score":0.8084671497344971},{"id":"https://openalex.org/C199499590","wikidata":"https://www.wikidata.org/wiki/Q266790","display_name":"Refrigerant","level":3,"score":0.8072234392166138},{"id":"https://openalex.org/C13119800","wikidata":"https://www.wikidata.org/wiki/Q902090","display_name":"Coefficient of performance","level":4,"score":0.7454222440719604},{"id":"https://openalex.org/C135186712","wikidata":"https://www.wikidata.org/wiki/Q425705","display_name":"Injector","level":2,"score":0.6757553815841675},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.5786020755767822},{"id":"https://openalex.org/C175503448","wikidata":"https://www.wikidata.org/wiki/Q75920","display_name":"Thermodynamic cycle","level":2,"score":0.5675920844078064},{"id":"https://openalex.org/C113146524","wikidata":"https://www.wikidata.org/wiki/Q663290","display_name":"Exergy","level":2,"score":0.5545154809951782},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5159969329833984},{"id":"https://openalex.org/C184593036","wikidata":"https://www.wikidata.org/wiki/Q279421","display_name":"Thermal expansion valve","level":4,"score":0.45322829484939575},{"id":"https://openalex.org/C141713623","wikidata":"https://www.wikidata.org/wiki/Q1452596","display_name":"Heat pump and refrigeration cycle","level":4,"score":0.4433624744415283},{"id":"https://openalex.org/C164915370","wikidata":"https://www.wikidata.org/wiki/Q5167494","display_name":"Cooling capacity","level":2,"score":0.43580538034439087},{"id":"https://openalex.org/C116915560","wikidata":"https://www.wikidata.org/wiki/Q83504","display_name":"Nuclear engineering","level":1,"score":0.4293445646762848},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4170769453048706},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.33268189430236816},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.32852858304977417},{"id":"https://openalex.org/C107706546","wikidata":"https://www.wikidata.org/wiki/Q189124","display_name":"Heat exchanger","level":2,"score":0.20403292775154114},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1926293671131134},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12335798144340515},{"id":"https://openalex.org/C50517652","wikidata":"https://www.wikidata.org/wiki/Q179635","display_name":"Heat transfer","level":2,"score":0.1114177405834198}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/e21090874","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e21090874","pdf_url":"https://www.mdpi.com/1099-4300/21/9/874/pdf?version=1568080243","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:450907f5d2314fd2b6636e3169d5aec9","is_oa":true,"landing_page_url":"https://doaj.org/article/450907f5d2314fd2b6636e3169d5aec9","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 21, Iss 9, p 874 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/21/9/874/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/e21090874","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7515403","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7515403","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/e21090874","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e21090874","pdf_url":"https://www.mdpi.com/1099-4300/21/9/874/pdf?version=1568080243","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.550000011920929}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2971557383.pdf","grobid_xml":"https://content.openalex.org/works/W2971557383.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1120135930","https://openalex.org/W1181813466","https://openalex.org/W1571370279","https://openalex.org/W1590132100","https://openalex.org/W1966462969","https://openalex.org/W1974446199","https://openalex.org/W1980840243","https://openalex.org/W1998018850","https://openalex.org/W2011721108","https://openalex.org/W2012603436","https://openalex.org/W2030255383","https://openalex.org/W2031405811","https://openalex.org/W2034214476","https://openalex.org/W2042876087","https://openalex.org/W2043792571","https://openalex.org/W2046472663","https://openalex.org/W2069545012","https://openalex.org/W2070219131","https://openalex.org/W2074007866","https://openalex.org/W2088362186","https://openalex.org/W2091324920","https://openalex.org/W2092486023","https://openalex.org/W2101169977","https://openalex.org/W2126692603","https://openalex.org/W2148666332","https://openalex.org/W2228641166","https://openalex.org/W2279773297","https://openalex.org/W2327622709","https://openalex.org/W2418723109","https://openalex.org/W2508537998","https://openalex.org/W2567957620","https://openalex.org/W2597337779","https://openalex.org/W2621373183","https://openalex.org/W2751977602","https://openalex.org/W2755099190","https://openalex.org/W2789991825","https://openalex.org/W2811164413","https://openalex.org/W2814966500","https://openalex.org/W2934426937"],"related_works":["https://openalex.org/W2141560670","https://openalex.org/W2011587469","https://openalex.org/W4205411030","https://openalex.org/W3120988837","https://openalex.org/W2977537172","https://openalex.org/W2022848491","https://openalex.org/W3131096903","https://openalex.org/W2732788019","https://openalex.org/W2068379626","https://openalex.org/W2018420118"],"abstract_inverted_index":{"The":[0,52,84],"new":[1,57],"configuration":[2],"of":[3,24,35,46,55,70,100,130,150,156,162],"a":[4,13,79],"transcritical":[5,72],"CO2":[6,73],"ejector":[7,74,102],"expansion":[8,75],"refrigeration":[9],"cycle":[10,17,39,58,76,90,97,114,165],"combined":[11],"with":[12,68,78],"dedicated":[14],"mechanical":[15,37],"subcooling":[16,38,81],"(EMS)":[18],"is":[19],"proposed.":[20],"Three":[21],"mass":[22],"ratios":[23],"R32/R1234ze(Z)":[25,116],"(0.4/0.6,":[26],"0.6/0.4,":[27],"and":[28,63,66,104,108,132,143,153],"0.8/0.2)":[29],"were":[30,59,136,166],"selected":[31],"as":[32,118,122],"the":[33,36,44,48,56,71,88,95,101,105,112,119,125,128,160,163],"refrigerants":[34],"(MS)":[40],"to":[41,138,141],"further":[42],"explore":[43],"possibility":[45],"improving":[47],"EMS":[49,113,164],"cycle\u2019s":[50],"performance.":[51],"thermodynamic":[53],"performances":[54],"evaluated":[60],"using":[61,115],"energetic":[62,107],"exergetic":[64,109],"methods":[65],"compared":[67],"those":[69],"integrated":[77],"thermoelectric":[80],"system":[82,106,133],"(ETS).":[83],"results":[85],"showed":[86],"that":[87],"proposed":[89],"presents":[91],"significant":[92],"advantages":[93,161],"over":[94],"ETS":[96],"in":[98,127],"terms":[99],"performance":[103,131],"performances.":[110],"Taking":[111],"(0.6/0.4)":[117],"MS":[120],"refrigerant":[121],"an":[123,147],"example,":[124],"improvements":[126],"coefficient":[129],"exergy":[134],"efficiency":[135],"able":[137],"reach":[139],"up":[140],"10.27%":[142],"15.56%,":[144],"respectively,":[145],"at":[146,169],"environmental":[148,171],"temperature":[149,155],"35":[151],"\u00b0C":[152],"evaporation":[154],"\u22125":[157],"\u00b0C.":[158],"Additionally,":[159],"more":[167],"pronounced":[168],"higher":[170],"temperatures.":[172]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2019-09-12T00:00:00"}