{"id":"https://openalex.org/W2951996666","doi":"https://doi.org/10.1109/tie.2019.2922938","title":"Numerical and Experimental Calculation of CHTC in an Oil-Based Shaft Cooling System for a High-Speed High-Power PMSM","display_name":"Numerical and Experimental Calculation of CHTC in an Oil-Based Shaft Cooling System for a High-Speed High-Power PMSM","publication_year":2019,"publication_date":"2019-06-21","ids":{"openalex":"https://openalex.org/W2951996666","doi":"https://doi.org/10.1109/tie.2019.2922938","mag":"2951996666"},"language":"en","primary_location":{"id":"doi:10.1109/tie.2019.2922938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2019.2922938","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Industrial Electronics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113426471","display_name":"Yaohui Gai","orcid":null},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Yaohui Gai","raw_affiliation_strings":["School of Engineering, Newcastle University, Newcastle upon Tyne, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Newcastle University, Newcastle upon Tyne, U.K","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003163982","display_name":"James D. Widmer","orcid":"https://orcid.org/0000-0002-6766-1554"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James D. Widmer","raw_affiliation_strings":["School of Engineering, Newcastle University, Newcastle upon Tyne, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Newcastle University, Newcastle upon Tyne, U.K","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065972633","display_name":"A. Steven","orcid":null},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Andrew Steven","raw_affiliation_strings":["School of Engineering, Newcastle University, Newcastle upon Tyne, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Newcastle University, Newcastle upon Tyne, U.K","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089060810","display_name":"Yew Chuan Chong","orcid":"https://orcid.org/0000-0002-3683-8265"},"institutions":[{"id":"https://openalex.org/I4210117343","display_name":"Motor Design (United Kingdom)","ror":"https://ror.org/02byc7177","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210117343"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yew Chuan Chong","raw_affiliation_strings":["Motor Design Ltd., Wrexham, U.K"],"affiliations":[{"raw_affiliation_string":"Motor Design Ltd., Wrexham, U.K","institution_ids":["https://openalex.org/I4210117343"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016645988","display_name":"Mohammad Kimiabeigi","orcid":"https://orcid.org/0000-0001-8176-654X"},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mohammad Kimiabeigi","raw_affiliation_strings":["School of Engineering, Newcastle University, Newcastle upon Tyne, U.K"],"affiliations":[{"raw_affiliation_string":"School of Engineering, Newcastle University, Newcastle upon Tyne, U.K","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073551048","display_name":"James Goss","orcid":null},"institutions":[{"id":"https://openalex.org/I4210117343","display_name":"Motor Design (United Kingdom)","ror":"https://ror.org/02byc7177","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210117343"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James Goss","raw_affiliation_strings":["Motor Design Ltd., Wrexham, U.K"],"affiliations":[{"raw_affiliation_string":"Motor Design Ltd., Wrexham, U.K","institution_ids":["https://openalex.org/I4210117343"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007142653","display_name":"Mircea Popescu","orcid":"https://orcid.org/0000-0002-1883-7891"},"institutions":[{"id":"https://openalex.org/I4210117343","display_name":"Motor Design (United Kingdom)","ror":"https://ror.org/02byc7177","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210117343"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mircea Popescu","raw_affiliation_strings":["Motor Design Ltd., Wrexham, U.K"],"affiliations":[{"raw_affiliation_string":"Motor Design Ltd., Wrexham, U.K","institution_ids":["https://openalex.org/I4210117343"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5113426471"],"corresponding_institution_ids":["https://openalex.org/I84884186"],"apc_list":null,"apc_paid":null,"fwci":2.6541,"has_fulltext":false,"cited_by_count":56,"citation_normalized_percentile":{"value":0.90353661,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"67","issue":"6","first_page":"4371","last_page":"4380"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10278","display_name":"Electric Motor Design and Analysis","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11602","display_name":"Magnetic Bearings and Levitation Dynamics","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11222","display_name":"Magnetic Properties and Applications","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/nusselt-number","display_name":"Nusselt number","score":0.7902462482452393},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.6827276349067688},{"id":"https://openalex.org/keywords/rotational-speed","display_name":"Rotational speed","score":0.6100544929504395},{"id":"https://openalex.org/keywords/heat-transfer","display_name":"Heat transfer","score":0.5852601528167725},{"id":"https://openalex.org/keywords/coolant","display_name":"Coolant","score":0.574074387550354},{"id":"https://openalex.org/keywords/heat-transfer-coefficient","display_name":"Heat transfer coefficient","score":0.5642834901809692},{"id":"https://openalex.org/keywords/prandtl-number","display_name":"Prandtl number","score":0.5228012800216675},{"id":"https://openalex.org/keywords/convective-heat-transfer","display_name":"Convective heat transfer","score":0.494735449552536},{"id":"https://openalex.org/keywords/reynolds-number","display_name":"Reynolds number","score":0.48640942573547363},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4743346571922302},{"id":"https://openalex.org/keywords/thermodynamics","display_name":"Thermodynamics","score":0.42863181233406067},{"id":"https://openalex.org/keywords/rotor","display_name":"Rotor (electric)","score":0.422294557094574},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3037164807319641},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.23580986261367798},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20453065633773804},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.17449310421943665},{"id":"https://openalex.org/keywords/turbulence","display_name":"Turbulence","score":0.17154476046562195}],"concepts":[{"id":"https://openalex.org/C130230704","wikidata":"https://www.wikidata.org/wiki/Q898280","display_name":"Nusselt number","level":4,"score":0.7902462482452393},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6827276349067688},{"id":"https://openalex.org/C81063470","wikidata":"https://www.wikidata.org/wiki/Q1256787","display_name":"Rotational speed","level":2,"score":0.6100544929504395},{"id":"https://openalex.org/C50517652","wikidata":"https://www.wikidata.org/wiki/Q179635","display_name":"Heat transfer","level":2,"score":0.5852601528167725},{"id":"https://openalex.org/C91914117","wikidata":"https://www.wikidata.org/wiki/Q1056832","display_name":"Coolant","level":2,"score":0.574074387550354},{"id":"https://openalex.org/C29700514","wikidata":"https://www.wikidata.org/wiki/Q634340","display_name":"Heat transfer coefficient","level":3,"score":0.5642834901809692},{"id":"https://openalex.org/C72687893","wikidata":"https://www.wikidata.org/wiki/Q815306","display_name":"Prandtl number","level":3,"score":0.5228012800216675},{"id":"https://openalex.org/C41231900","wikidata":"https://www.wikidata.org/wiki/Q918227","display_name":"Convective heat transfer","level":3,"score":0.494735449552536},{"id":"https://openalex.org/C182748727","wikidata":"https://www.wikidata.org/wiki/Q178932","display_name":"Reynolds number","level":3,"score":0.48640942573547363},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4743346571922302},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.42863181233406067},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.422294557094574},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3037164807319641},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.23580986261367798},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20453065633773804},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.17449310421943665},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.17154476046562195}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tie.2019.2922938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tie.2019.2922938","pdf_url":null,"source":{"id":"https://openalex.org/S58031724","display_name":"IEEE Transactions on Industrial Electronics","issn_l":"0278-0046","issn":["0278-0046","1557-9948"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Industrial Electronics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8299999833106995,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W899500687","https://openalex.org/W1500578223","https://openalex.org/W1974097079","https://openalex.org/W1984141851","https://openalex.org/W1988783953","https://openalex.org/W1990143342","https://openalex.org/W2020773255","https://openalex.org/W2054259623","https://openalex.org/W2113548384","https://openalex.org/W2117288046","https://openalex.org/W2128069241","https://openalex.org/W2128633147","https://openalex.org/W2132546307","https://openalex.org/W2205948454","https://openalex.org/W2620588723","https://openalex.org/W2620770451","https://openalex.org/W2625023846","https://openalex.org/W2883631776","https://openalex.org/W2898916808","https://openalex.org/W6624136951"],"related_works":["https://openalex.org/W2745658438","https://openalex.org/W2023350146","https://openalex.org/W2058595633","https://openalex.org/W1965344808","https://openalex.org/W2059916686","https://openalex.org/W2004060773","https://openalex.org/W2045450011","https://openalex.org/W596359682","https://openalex.org/W4308003839","https://openalex.org/W2138076026"],"abstract_inverted_index":{"The":[0],"convective":[1,66,156],"heat":[2,67,157],"transfer":[3,68,158],"coefficient":[4],"(CHTC)":[5],"is":[6,11,50,118,173],"a":[7,40,57,70,165,170,180],"critical":[8],"parameter":[9],"that":[10,120],"required":[12],"for":[13,32,159],"developing":[14],"an":[15,33],"accurate":[16],"and":[17,87,104,113,146,186],"efficient":[18],"thermal":[19],"design":[20],"of":[21,60,72,110,128,137,149,167,182],"electrical":[22],"machines.":[23],"However,":[24,141],"the":[25,61,65,81,90,94,98,108,111,114,121,126,129,135,138,142,147,150,160],"existing":[26],"empirical":[27],"CHTC":[28,127],"correlations":[29],"are":[30,77],"invalid":[31],"oil-cooled":[34],"hollow-shaft":[35],"rotor.":[36],"On":[37,107],"this":[38,53],"basis,":[39],"simplified":[41],"numerical":[42,85,112],"model":[43],"based":[44],"on":[45,64,93,155],"computational":[46],"fluid":[47],"dynamics":[48],"methods":[49],"developed":[51],"in":[52],"paper":[54],"to":[55,79,88],"provide":[56],"qualitative":[58],"understanding":[59],"rotational":[62,99,162,183],"effects":[63],"across":[69],"range":[71],"operation":[73],"speeds.":[74,163],"Then":[75],"experiments":[76],"undertaken":[78],"validate":[80],"data":[82],"obtained":[83],"from":[84],"models":[86],"estimate":[89],"impact":[91],"parameters":[92],"CHTC,":[95],"such":[96,168],"as":[97,179],"velocity,":[100],"coolant":[101,105,151],"flow":[102,144],"rate,":[103],"temperature.":[106],"basis":[109],"experimental":[115],"results,":[116],"it":[117],"concluded":[119],"rotation":[122],"can":[123],"significantly":[124],"increase":[125],"shaft":[130],"inner":[131],"wall":[132],"surface":[133],"above":[134],"level":[136],"stationary":[139],"condition.":[140],"axial":[143],"rate":[145],"viscosity":[148],"have":[152],"less":[153],"influence":[154],"high":[161],"As":[164],"result":[166],"analysis,":[169],"general":[171],"correlation":[172],"defined":[174],"by":[175],"using":[176],"Nusselt":[177],"numbers":[178,185],"function":[181],"Reynolds":[184],"Prandtl":[187],"numbers.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
