{"id":"https://openalex.org/W7161162781","doi":"https://doi.org/10.48550/arxiv.2605.13633","title":"Effects of Thermal Boundary Conditions on Natural Convection and Entropy Generation in Non-Newtonian Power-Law Fluids","display_name":"Effects of Thermal Boundary Conditions on Natural Convection and Entropy Generation in Non-Newtonian Power-Law Fluids","publication_year":2026,"publication_date":"2026-05-13","ids":{"openalex":"https://openalex.org/W7161162781","doi":"https://doi.org/10.48550/arxiv.2605.13633"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.13633","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.13633","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.13633","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079339105","display_name":"Lambert Theisen","orcid":"https://orcid.org/0000-0001-5460-5425"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Theisen, Lambert","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083491222","display_name":"Satyvir Singh","orcid":"https://orcid.org/0000-0001-6669-5296"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Singh, Satyvir","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10104","display_name":"Nanofluid Flow and Heat Transfer","score":0.8289999961853027,"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"}},"topics":[{"id":"https://openalex.org/T10104","display_name":"Nanofluid Flow and Heat Transfer","score":0.8289999961853027,"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/T11379","display_name":"Rheology and Fluid Dynamics Studies","score":0.10040000081062317,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10998","display_name":"Heat Transfer and Optimization","score":0.00860000029206276,"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/natural-convection","display_name":"Natural convection","score":0.6222000122070312},{"id":"https://openalex.org/keywords/nusselt-number","display_name":"Nusselt number","score":0.597599983215332},{"id":"https://openalex.org/keywords/convection","display_name":"Convection","score":0.4884999990463257},{"id":"https://openalex.org/keywords/thermal","display_name":"Thermal","score":0.48829999566078186},{"id":"https://openalex.org/keywords/boundary-value-problem","display_name":"Boundary value problem","score":0.4666999876499176},{"id":"https://openalex.org/keywords/convective-heat-transfer","display_name":"Convective heat transfer","score":0.4440999925136566},{"id":"https://openalex.org/keywords/heat-transfer","display_name":"Heat transfer","score":0.43959999084472656},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.42419999837875366}],"concepts":[{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6930999755859375},{"id":"https://openalex.org/C54791560","wikidata":"https://www.wikidata.org/wiki/Q3285020","display_name":"Natural convection","level":3,"score":0.6222000122070312},{"id":"https://openalex.org/C130230704","wikidata":"https://www.wikidata.org/wiki/Q898280","display_name":"Nusselt number","level":4,"score":0.597599983215332},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.5392000079154968},{"id":"https://openalex.org/C10899652","wikidata":"https://www.wikidata.org/wiki/Q160329","display_name":"Convection","level":2,"score":0.4884999990463257},{"id":"https://openalex.org/C204530211","wikidata":"https://www.wikidata.org/wiki/Q752823","display_name":"Thermal","level":2,"score":0.48829999566078186},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.4666999876499176},{"id":"https://openalex.org/C41231900","wikidata":"https://www.wikidata.org/wiki/Q918227","display_name":"Convective heat transfer","level":3,"score":0.4440999925136566},{"id":"https://openalex.org/C50517652","wikidata":"https://www.wikidata.org/wiki/Q179635","display_name":"Heat transfer","level":2,"score":0.43959999084472656},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.42419999837875366},{"id":"https://openalex.org/C189234753","wikidata":"https://www.wikidata.org/wiki/Q17007315","display_name":"Combined forced and natural convection","level":4,"score":0.4099999964237213},{"id":"https://openalex.org/C84655787","wikidata":"https://www.wikidata.org/wiki/Q8067817","display_name":"Compressibility","level":2,"score":0.40560001134872437},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3926999866962433},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3652999997138977},{"id":"https://openalex.org/C181152433","wikidata":"https://www.wikidata.org/wiki/Q895274","display_name":"Boussinesq approximation (buoyancy)","level":5,"score":0.349700003862381},{"id":"https://openalex.org/C119820323","wikidata":"https://www.wikidata.org/wiki/Q177045","display_name":"Second law of thermodynamics","level":2,"score":0.3352000117301941},{"id":"https://openalex.org/C111603439","wikidata":"https://www.wikidata.org/wiki/Q752193","display_name":"Boundary layer","level":2,"score":0.319599986076355},{"id":"https://openalex.org/C42471609","wikidata":"https://www.wikidata.org/wiki/Q1779048","display_name":"Magnetohydrodynamic drive","level":4,"score":0.27469998598098755},{"id":"https://openalex.org/C57654094","wikidata":"https://www.wikidata.org/wiki/Q3312138","display_name":"Convection cell","level":5,"score":0.27390000224113464},{"id":"https://openalex.org/C90278072","wikidata":"https://www.wikidata.org/wiki/Q216320","display_name":"Fluid dynamics","level":2,"score":0.2728999853134155},{"id":"https://openalex.org/C129716092","wikidata":"https://www.wikidata.org/wiki/Q912130","display_name":"Internal heating","level":2,"score":0.27070000767707825},{"id":"https://openalex.org/C37164169","wikidata":"https://www.wikidata.org/wiki/Q3983125","display_name":"Film temperature","level":5,"score":0.257999986410141}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.13633","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.13633","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.13633","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.13633","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"study":[1,201],"investigates":[2],"the":[3,35,40,46,141,196],"role":[4,138],"of":[5,70,83,146],"thermal":[6,101,114,169,205],"boundary":[7,102,130,206],"conditions":[8,131],"on":[9,34],"natural":[10],"convection":[11,124,226],"and":[12,24,39,62,78,86,94,99,116,125,143,150,159,171,220,231],"entropy":[13,79,175,178],"generation":[14],"in":[15,68,139,187,224],"non-Newtonian":[16,63,225],"power-law":[17,37,197],"fluids":[18,96],"confined":[19],"within":[20],"a":[21,25],"square":[22],"cavity":[23],"concentric":[26],"cylindrical":[27],"annulus.":[28],"Steady,":[29],"two-dimensional":[30],"governing":[31],"equations":[32],"based":[33],"incompressible":[36],"model":[38],"Boussinesq":[41],"approximation":[42],"are":[43,89,132,233],"solved":[44],"using":[45],"Gridap.jl":[47],"finite":[48],"element":[49],"framework.":[50],"The":[51,81,104,200,228],"numerical":[52],"methodology":[53],"is":[54],"validated":[55],"against":[56],"benchmark":[57],"solutions":[58],"for":[59,91,216],"both":[60,153],"Newtonian":[61],"convection,":[64],"showing":[65],"good":[66],"agreement":[67],"terms":[69],"isotherm":[71],"fields,":[72],"streamlines,":[73],"local":[74],"Nusselt":[75],"number":[76],"distributions,":[77],"generation.":[80,176],"effects":[82],"fluid":[84,210],"rheology":[85],"heating":[87,156,167],"mode":[88],"examined":[90],"shear-thinning,":[92],"Newtonian,":[93],"shear-thickening":[95,121],"under":[97],"uniform":[98,155],"non-uniform":[100,165],"conditions.":[103],"results":[105],"show":[106],"that":[107,182,203],"shear-thinning":[108,188],"behavior":[109,122],"enhances":[110],"buoyancy-driven":[111],"circulation,":[112],"steepens":[113],"gradients,":[115],"increases":[117],"heat":[118,148,218],"transfer,":[119,149],"whereas":[120,190],"suppresses":[123],"promotes":[126],"conduction-dominated":[127],"transport.":[128],"Thermal":[129],"found":[133],"to":[134],"play":[135],"an":[136,213],"important":[137],"controlling":[140,217],"intensity":[142],"spatial":[144],"distribution":[145],"flow,":[147],"irreversibility.":[151],"In":[152],"geometries,":[154],"produces":[157],"stronger":[158],"more":[160],"distributed":[161],"convective":[162],"structures,":[163],"while":[164],"sinusoidal":[166],"localizes":[168],"forcing":[170],"consistently":[172],"reduces":[173],"total":[174],"An":[177],"analysis":[179],"further":[180],"reveals":[181],"viscous":[183],"dissipation":[184],"dominates":[185],"irreversibility":[186,192],"fluids,":[189],"heat-transfer":[191],"becomes":[193],"dominant":[194],"as":[195],"index":[198],"increases.":[199],"demonstrates":[202],"appropriate":[204],"design,":[207],"together":[208],"with":[209],"rheology,":[211],"provides":[212],"effective":[214],"route":[215],"transfer":[219],"minimizing":[221],"thermodynamic":[222],"losses":[223],"systems.":[227],"source":[229],"code":[230],"metadata":[232],"publicly":[234],"available.":[235]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-05-15T00:00:00"}