{"id":"https://openalex.org/W7123345220","doi":"https://doi.org/10.3389/fmech.2025.1739706","title":"Enhancing convective heat transfer coefficient in a circular heat exchanger tube mounted with modified V-orifice (MVO): CFD analysis and correlations","display_name":"Enhancing convective heat transfer coefficient in a circular heat exchanger tube mounted with modified V-orifice (MVO): CFD analysis and correlations","publication_year":2026,"publication_date":"2026-01-13","ids":{"openalex":"https://openalex.org/W7123345220","doi":"https://doi.org/10.3389/fmech.2025.1739706"},"language":"en","primary_location":{"id":"doi:10.3389/fmech.2025.1739706","doi":"https://doi.org/10.3389/fmech.2025.1739706","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmech.2025.1739706","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2025.1739706/pdf","source":{"id":"https://openalex.org/S2596399182","display_name":"Frontiers in Mechanical Engineering","issn_l":"2297-3079","issn":["2297-3079"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Mechanical Engineering","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://public-pages-files-2025.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2025.1739706/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014585923","display_name":"Amnart Boonloi","orcid":"https://orcid.org/0000-0001-9055-2172","observed_orcids":["https://orcid.org/0000-0001-9055-2172"]},"institutions":[{"id":"https://openalex.org/I82828225","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97","country_code":"TH","type":"education","lineage":["https://openalex.org/I82828225"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Amnart Boonloi","raw_affiliation_strings":["Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut\u2019s University of Technology North Bangkok, Bangkok, Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut\u2019s University of Technology North Bangkok, Bangkok, Thailand","institution_ids":["https://openalex.org/I82828225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073532402","display_name":"Withada Jedsadaratanachai","orcid":"https://orcid.org/0000-0002-9046-7223","observed_orcids":["https://orcid.org/0000-0002-9046-7223"]},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":true,"raw_author_name":"Withada Jedsadaratanachai","raw_affiliation_strings":["Department of Mechanical Engineering, School of Engineering, King Mongkut\u2019s Institute of Technology Ladkrabang, Bangkok, Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, School of Engineering, King Mongkut\u2019s Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5073532402"],"corresponding_institution_ids":["https://openalex.org/I91538806"],"apc_list":{"value":1175,"currency":"CHF","value_usd":1418},"apc_paid":{"value":1175,"currency":"CHF","value_usd":1418},"fwci":4.0189,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.90628605,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"11","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11945","display_name":"Heat Transfer Mechanisms","score":0.9804999828338623,"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/T11945","display_name":"Heat Transfer Mechanisms","score":0.9804999828338623,"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/T10998","display_name":"Heat Transfer and Optimization","score":0.018799999728798866,"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/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/convective-heat-transfer-enhancement","display_name":"convective heat transfer enhancement","score":0.9449999928474426},{"id":"https://openalex.org/keywords/passive-heat-transfer-enhancement","display_name":"passive heat transfer enhancement","score":0.7039999961853027},{"id":"https://openalex.org/keywords/vortex-generators","display_name":"vortex generators","score":0.6639999747276306},{"id":"https://openalex.org/keywords/turbulators","display_name":"turbulators","score":0.9120000004768372},{"id":"https://openalex.org/keywords/blockage-ratio","display_name":"blockage ratio","score":0.847000002861023},{"id":"https://openalex.org/keywords/pitch-ratio","display_name":"pitch ratio","score":0.9409999847412109},{"id":"https://openalex.org/keywords/angle-of-attack","display_name":"angle of attack","score":0.9739999771118164},{"id":"https://openalex.org/keywords/thermal-enhancement-factor","display_name":"thermal enhancement factor","score":0.7879999876022339},{"id":"https://openalex.org/keywords/turbulent-air-flow","display_name":"turbulent airflow","score":0.6919999718666077}],"concepts":[{"id":"https://openalex.org/C51125570","wikidata":"https://www.wikidata.org/wiki/Q452679","display_name":"Turbulator","level":4,"score":0.8181999921798706},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6809999942779541},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.6686999797821045},{"id":"https://openalex.org/C107706546","wikidata":"https://www.wikidata.org/wiki/Q189124","display_name":"Heat exchanger","level":2,"score":0.6312000155448914},{"id":"https://openalex.org/C1633027","wikidata":"https://www.wikidata.org/wiki/Q815820","display_name":"Computational fluid dynamics","level":2,"score":0.580299973487854},{"id":"https://openalex.org/C182748727","wikidata":"https://www.wikidata.org/wiki/Q178932","display_name":"Reynolds number","level":3,"score":0.5666000247001648},{"id":"https://openalex.org/C50517652","wikidata":"https://www.wikidata.org/wiki/Q179635","display_name":"Heat transfer","level":2,"score":0.47749999165534973},{"id":"https://openalex.org/C29700514","wikidata":"https://www.wikidata.org/wiki/Q634340","display_name":"Heat transfer coefficient","level":3,"score":0.4772000014781952},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4772000014781952},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4706999957561493},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.45750001072883606},{"id":"https://openalex.org/C2777551473","wikidata":"https://www.wikidata.org/wiki/Q2093072","display_name":"Tube (container)","level":2,"score":0.4092999994754791},{"id":"https://openalex.org/C140369647","wikidata":"https://www.wikidata.org/wiki/Q3359167","display_name":"Vortex generator","level":3,"score":0.39320001006126404},{"id":"https://openalex.org/C41231900","wikidata":"https://www.wikidata.org/wiki/Q918227","display_name":"Convective heat transfer","level":3,"score":0.36910000443458557},{"id":"https://openalex.org/C116067010","wikidata":"https://www.wikidata.org/wiki/Q4698686","display_name":"Airflow","level":2,"score":0.3671000003814697},{"id":"https://openalex.org/C33134510","wikidata":"https://www.wikidata.org/wiki/Q5158348","display_name":"Concentric tube heat exchanger","level":4,"score":0.3668000102043152},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.36169999837875366},{"id":"https://openalex.org/C194242075","wikidata":"https://www.wikidata.org/wiki/Q546776","display_name":"Body orifice","level":2,"score":0.3564000129699707},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.35010001063346863},{"id":"https://openalex.org/C114088122","wikidata":"https://www.wikidata.org/wiki/Q1261069","display_name":"Pressure drop","level":2,"score":0.34610000252723694},{"id":"https://openalex.org/C10899652","wikidata":"https://www.wikidata.org/wiki/Q160329","display_name":"Convection","level":2,"score":0.3441999852657318},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3395000100135803},{"id":"https://openalex.org/C50478463","wikidata":"https://www.wikidata.org/wiki/Q1401936","display_name":"Finite volume method","level":2,"score":0.3287000060081482},{"id":"https://openalex.org/C2777777821","wikidata":"https://www.wikidata.org/wiki/Q25111513","display_name":"Heat transfer enhancement","level":4,"score":0.3100999891757965},{"id":"https://openalex.org/C178760647","wikidata":"https://www.wikidata.org/wiki/Q28129961","display_name":"Vortex shedding","level":4,"score":0.30390000343322754},{"id":"https://openalex.org/C203311528","wikidata":"https://www.wikidata.org/wiki/Q34132","display_name":"Cylinder","level":2,"score":0.29989999532699585},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.27709999680519104},{"id":"https://openalex.org/C32375409","wikidata":"https://www.wikidata.org/wiki/Q261231","display_name":"Plate heat exchanger","level":3,"score":0.25690001249313354},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2567000091075897},{"id":"https://openalex.org/C92854067","wikidata":"https://www.wikidata.org/wiki/Q5462091","display_name":"Flow conditioning","level":4,"score":0.25279998779296875}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3389/fmech.2025.1739706","doi":"https://doi.org/10.3389/fmech.2025.1739706","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmech.2025.1739706","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2025.1739706/pdf","source":{"id":"https://openalex.org/S2596399182","display_name":"Frontiers in Mechanical Engineering","issn_l":"2297-3079","issn":["2297-3079"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Mechanical Engineering","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:44c1550f984f4f83874fe264fe264d51","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/44c1550f984f4f83874fe264fe264d51","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,"listed_in":[],"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":"Frontiers in Mechanical Engineering, Vol 11 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3389/fmech.2025.1739706","doi":"https://doi.org/10.3389/fmech.2025.1739706","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmech.2025.1739706","pdf_url":"https://public-pages-files-2025.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2025.1739706/pdf","source":{"id":"https://openalex.org/S2596399182","display_name":"Frontiers in Mechanical Engineering","issn_l":"2297-3079","issn":["2297-3079"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Mechanical Engineering","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.4000000059604645,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G5150757379","display_name":null,"funder_award_id":"Contract no. KMUTNB-69-KNOW-07","funder_id":"https://openalex.org/F4320324344","funder_display_name":"King Mongkut's University of Technology North Bangkok"}],"funders":[{"id":"https://openalex.org/F4320324172","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62"},{"id":"https://openalex.org/F4320324344","display_name":"King Mongkut's University of Technology North Bangkok","ror":"https://ror.org/04fy6jb97"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7123345220.pdf","grobid_xml":"https://content.openalex.org/works/W7123345220.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W2011474846","https://openalex.org/W2067089190","https://openalex.org/W2101973925","https://openalex.org/W2158734214","https://openalex.org/W2331963781","https://openalex.org/W2557096701","https://openalex.org/W2616384389","https://openalex.org/W2903159216","https://openalex.org/W2909024540","https://openalex.org/W2938654208","https://openalex.org/W2942490962","https://openalex.org/W3005087978","https://openalex.org/W4220914322","https://openalex.org/W4383197271","https://openalex.org/W4389976804","https://openalex.org/W4391512538","https://openalex.org/W4393408056","https://openalex.org/W4393682063","https://openalex.org/W4396634387","https://openalex.org/W4396799258","https://openalex.org/W4403285440","https://openalex.org/W4403928024","https://openalex.org/W4404553213","https://openalex.org/W4405182613","https://openalex.org/W4407423611","https://openalex.org/W4407596814","https://openalex.org/W4407607515","https://openalex.org/W4407617105","https://openalex.org/W4408378236","https://openalex.org/W4408722914","https://openalex.org/W4409289616","https://openalex.org/W4409290493","https://openalex.org/W4409378392","https://openalex.org/W4410396932","https://openalex.org/W4410861640","https://openalex.org/W4412440069"],"related_works":[],"abstract_inverted_index":{"This":[0],"study":[1,191],"investigates":[2],"the":[3,43,59,67,71,74,84,113,122,125,130,137,145,150,153,158,201,207,211,221,244,272,276,298],"airflow":[4],"dynamics":[5],"and":[6,73,91,105,115,149,172,179],"heat":[7,14],"transfer":[8],"(HT)":[9],"profiles":[10],"in":[11,95,144,200,220,242,248,257,297],"a":[12,20,26,31,48,80,98,225,229,239],"circular":[13],"exchanger":[15],"tube":[16],"(CHET)":[17],"mounted":[18],"with":[19,97],"modified":[21],"V-orifice":[22],"(MVO)":[23],"acting":[24],"as":[25,136,224],"turbulator/vortex":[27],"generator,":[28],"which":[29,63,141,164],"is":[30,64,79],"passive":[32],"technique":[33],"to":[34,54,101,111,129,135,157,197],"enhance":[35,106],"HT.":[36,107],"A":[37],"numerical":[38],"modeling":[39],"approach":[40],"based":[41],"on":[42],"finite":[44],"volume":[45],"method":[46],"using":[47],"commercial":[49],"software":[50],"package":[51],"was":[52,142,165,282],"employed":[53],"provide":[55],"detailed":[56],"insights":[57],"into":[58],"air":[60],"flow":[61,114,188,194,226],"profile,":[62],"essential":[65],"for":[66,183],"design":[68],"of":[69,124,147,152,169,176,203,206,259,271,289],"both":[70,184],"turbulator":[72,81],"CHET":[75,131,159,212,222],"system.":[76],"The":[77,190,214,253,262],"MVO":[78,126,154,218],"derived":[82],"from":[83],"orifice":[85],"concept,":[86],"an":[87,286],"established":[88],"engineering":[89],"device,":[90],"has":[92],"been":[93],"adapted":[94],"combination":[96],"V-shaped":[99],"structure":[100],"effectively":[102],"generate":[103],"vortices":[104,237],"Key":[108],"parameters":[109],"expected":[110],"influence":[112],"HT":[116,245,251,265],"behavior":[117],"were":[118,181],"investigated.":[119],"These":[120,236],"include":[121],"ratio":[123,151],"thickness,":[127],"b,":[128],"diameter,":[132],"D":[133],"(referred":[134],"blockage":[138],"ratio,":[139,162],"B-R),":[140],"studied":[143],"range":[146,202],"0.05\u20130.30,":[148],"spacing,":[155],"P,":[156],"diameter":[160],"(pitch":[161],"P-R),":[163],"considered":[166],"at":[167,210,285,302],"values":[168],"1,":[170,293],"1.5,":[171],"2.":[173],"Attack":[174],"angles":[175],"30\u00b0,":[177,290],"45\u00b0,":[178],"60\u00b0":[180],"examined":[182],"+":[185],"x":[186],"and\u2013x":[187],"directions.":[189],"covered":[192],"turbulent":[193],"conditions":[195,209],"corresponding":[196],"Reynolds":[198],"numbers":[199],"3,000\u201316000,":[204],"representative":[205],"operating":[208],"inlet.":[213],"results":[215],"indicate":[216],"that":[217,232,270],"installation":[219],"acts":[223],"obstruction,":[227],"generating":[228],"pressure":[230],"difference":[231],"induces":[233],"vortex":[234],"formation.":[235],"play":[238],"key":[240],"role":[241],"modifying":[243],"behavior,":[246],"resulting":[247],"increased":[249],"convective":[250],"coefficients.":[252],"outcomes":[254],"are":[255],"summarized":[256],"forms":[258],"dimensionless":[260],"variables.":[261],"highest":[263],"observed":[264],"enhancement":[266,279],"reached":[267],"9.93":[268],"times":[269],"plain":[273],"CHET,":[274],"while":[275],"maximum":[277],"thermal":[278],"factor":[280],"(TEF)":[281],"1.92,":[283],"obtained":[284],"attack":[287],"angle":[288],"P-R":[291],"=":[292,295,304],"B-R":[294],"0.25,":[296],"+x":[299],"fluid-flow":[300],"direction":[301],"Re":[303],"3,000.":[305]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2026-01-14T00:00:00"}