{"id":"https://openalex.org/W4392360894","doi":"https://doi.org/10.3390/sym16030289","title":"Heat Transfer Characteristics of an Electric Motor with Oil-Dripping Cooling under Overload Conditions","display_name":"Heat Transfer Characteristics of an Electric Motor with Oil-Dripping Cooling under Overload Conditions","publication_year":2024,"publication_date":"2024-03-01","ids":{"openalex":"https://openalex.org/W4392360894","doi":"https://doi.org/10.3390/sym16030289"},"language":"en","primary_location":{"id":"doi:10.3390/sym16030289","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16030289","pdf_url":"https://www.mdpi.com/2073-8994/16/3/289/pdf?version=1709301587","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"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":"Symmetry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-8994/16/3/289/pdf?version=1709301587","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067054536","display_name":"Eun-Hyeok Kang","orcid":null},"institutions":[{"id":"https://openalex.org/I51226738","display_name":"Dong-A University","ror":"https://ror.org/03qvtpc38","country_code":"KR","type":"education","lineage":["https://openalex.org/I51226738"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Eun-Hyeok Kang","raw_affiliation_strings":["Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021304299","display_name":"Kunal Sandip Garud","orcid":"https://orcid.org/0000-0002-0893-0785"},"institutions":[{"id":"https://openalex.org/I51226738","display_name":"Dong-A University","ror":"https://ror.org/03qvtpc38","country_code":"KR","type":"education","lineage":["https://openalex.org/I51226738"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kunal Sandip Garud","raw_affiliation_strings":["Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-0893-0785","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050799672","display_name":"Su Cheong Park","orcid":null},"institutions":[{"id":"https://openalex.org/I51226738","display_name":"Dong-A University","ror":"https://ror.org/03qvtpc38","country_code":"KR","type":"education","lineage":["https://openalex.org/I51226738"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Su Cheong Park","raw_affiliation_strings":["Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022171630","display_name":"Moo\u2010Yeon Lee","orcid":"https://orcid.org/0000-0001-8857-4444"},"institutions":[{"id":"https://openalex.org/I51226738","display_name":"Dong-A University","ror":"https://ror.org/03qvtpc38","country_code":"KR","type":"education","lineage":["https://openalex.org/I51226738"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Moo-Yeon Lee","raw_affiliation_strings":["Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0001-8857-4444","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, Republic of Korea","institution_ids":["https://openalex.org/I51226738"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5022171630"],"corresponding_institution_ids":["https://openalex.org/I51226738"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":0.9841,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.74115736,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"16","issue":"3","first_page":"289","last_page":"289"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","score":0.9975000023841858,"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":0.9975000023841858,"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/T10998","display_name":"Heat Transfer and Optimization","score":0.9965000152587891,"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/T14156","display_name":"Engineering Applied Research","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/materials-science","display_name":"Materials science","score":0.6202613711357117},{"id":"https://openalex.org/keywords/heat-transfer","display_name":"Heat transfer","score":0.5151320695877075},{"id":"https://openalex.org/keywords/electric-motor","display_name":"Electric motor","score":0.4889277517795563},{"id":"https://openalex.org/keywords/water-cooling","display_name":"Water cooling","score":0.46519148349761963},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3973065912723541},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.38434064388275146},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.3418661057949066},{"id":"https://openalex.org/keywords/nuclear-engineering","display_name":"Nuclear engineering","score":0.33358335494995117},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.2955760955810547},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11858731508255005},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0921984612941742}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6202613711357117},{"id":"https://openalex.org/C50517652","wikidata":"https://www.wikidata.org/wiki/Q179635","display_name":"Heat transfer","level":2,"score":0.5151320695877075},{"id":"https://openalex.org/C176871988","wikidata":"https://www.wikidata.org/wiki/Q72313","display_name":"Electric motor","level":2,"score":0.4889277517795563},{"id":"https://openalex.org/C7694927","wikidata":"https://www.wikidata.org/wiki/Q7667810","display_name":"Water cooling","level":2,"score":0.46519148349761963},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3973065912723541},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.38434064388275146},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.3418661057949066},{"id":"https://openalex.org/C116915560","wikidata":"https://www.wikidata.org/wiki/Q83504","display_name":"Nuclear engineering","level":1,"score":0.33358335494995117},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.2955760955810547},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11858731508255005},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0921984612941742}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/sym16030289","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16030289","pdf_url":"https://www.mdpi.com/2073-8994/16/3/289/pdf?version=1709301587","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"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":"Symmetry","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:0f96e2f84f9947ca8fd2d06858d9eb65","is_oa":false,"landing_page_url":"https://doaj.org/article/0f96e2f84f9947ca8fd2d06858d9eb65","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry, Vol 16, Iss 3, p 289 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/sym16030289","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym16030289","pdf_url":"https://www.mdpi.com/2073-8994/16/3/289/pdf?version=1709301587","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"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":"Symmetry","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8999999761581421,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4392360894.pdf"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W2023040571","https://openalex.org/W2066897751","https://openalex.org/W2076507301","https://openalex.org/W2103316936","https://openalex.org/W2472611983","https://openalex.org/W2595776428","https://openalex.org/W2741391893","https://openalex.org/W2776400672","https://openalex.org/W2890271082","https://openalex.org/W2897154020","https://openalex.org/W2990855348","https://openalex.org/W3015965808","https://openalex.org/W3097158417","https://openalex.org/W3097881767","https://openalex.org/W3107953143","https://openalex.org/W3118193884","https://openalex.org/W3127442450","https://openalex.org/W3138530265","https://openalex.org/W3169385334","https://openalex.org/W3170265277","https://openalex.org/W3173472576","https://openalex.org/W3209227975","https://openalex.org/W3213289349","https://openalex.org/W3214345789","https://openalex.org/W4283704017","https://openalex.org/W4285585312","https://openalex.org/W4293004950","https://openalex.org/W4313049516","https://openalex.org/W4376611376","https://openalex.org/W4386893267"],"related_works":["https://openalex.org/W2382087633","https://openalex.org/W2472798105","https://openalex.org/W2347572285","https://openalex.org/W2349141957","https://openalex.org/W2253485413","https://openalex.org/W3163241841","https://openalex.org/W2349455896","https://openalex.org/W2393127690","https://openalex.org/W2093443548","https://openalex.org/W946073001"],"abstract_inverted_index":{"The":[0,87,136,182,262],"continuously":[1],"increasing":[2],"energy":[3],"density":[4],"of":[5,12,28,45,57,106,168,184,202,215,229,236,249,265,289],"electric":[6,13,47,59,78,142,151,209,290],"motors":[7,291],"to":[8,33,92,153],"match":[9],"the":[10,35,41,50,53,94,104,141,145,150,154,159,166,185,198,224,242,247,266,273],"performance":[11],"vehicles":[14,17],"with":[15,61,165,246],"internal-combustion-engine":[16],"demands":[18],"an":[19,58,81,285],"advanced":[20],"cooling":[21,25,31,37,63,83,161,244,275],"strategy.":[22],"Direct":[23],"dripping/spray":[24],"is":[26,269],"one":[27],"such":[29],"potential":[30],"strategies":[32],"replace":[34],"conventional":[36],"method":[38],"for":[39,208,241,271],"achieving":[40],"desired":[42],"thermal":[43,287],"management":[44,288],"next-generation":[46],"motors.":[48],"In":[49,222],"present":[51],"work,":[52],"heat":[54,97,147,226,280],"transfer":[55,98,148,227,281],"characteristics":[56,282],"motor":[60,79,143,152,210],"oil-dripping":[62,82,160,243,274],"were":[64,90,239],"experimentally":[65],"investigated":[66],"considering":[67],"overload":[68,127,212,293],"operating":[69,128,213,267],"conditions.":[70,294],"An":[71],"experimental":[72,88],"set-up":[73],"comprising":[74],"a":[75,107,169,176,250],"15":[76],"kW":[77,217],"and":[80,100,126,144,175,191,205,218,232,256],"system":[84,162,245,276],"was":[85,156,163],"developed.":[86],"data":[89],"used":[91],"evaluate":[93],"maximum":[95,200],"temperature,":[96],"coefficient":[99,228],"power":[101,129,234],"consumption":[102,235],"under":[103,211,292],"influence":[105],"dripping":[108,172,188,253],"hole":[109,173,189,254],"diameter":[110,174,190,255],"(2":[111],"mm,":[112,114],"3":[113],"4":[115,170,186,251],"mm),":[116],"oil":[117,138,155,179,194,259],"flow":[118,180,195,260],"rate":[119,196],"(8":[120],"LPM,":[121,123],"12":[122,177,192,257],"16":[124],"LPM)":[125],"(8.28":[130],"kW,":[131,133,220],"12.05":[132],"14.21":[134,219],"kW).":[135],"symmetrical":[137],"distribution":[139],"over":[140],"superior":[146,279],"from":[149],"achieved":[157,240],"when":[158],"designed":[164],"combination":[167,183,248,264],"mm":[171,187,252],"LPM":[178,193,258],"rate.":[181,261],"showed":[197],"lowest":[199,233],"temperatures":[201],"31.9":[203],"\u00b0C":[204,207],"46.3":[206],"powers":[214],"8.28":[216],"respectively.":[221],"addition,":[223],"highest":[225],"7528.61":[230],"W/m2-K":[231],"18.07":[237],"W":[238],"best":[263],"parameters":[268],"proposed":[270],"developing":[272],"that":[277],"enables":[278],"and,":[283],"thus,":[284],"enhanced":[286]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}