{"id":"https://openalex.org/W7225835592","doi":"https://doi.org/10.18265/2447-9187a2026id9492","title":"An\u00e1lise em fluidodin\u00e2mica computacional do escoamento Core-Annular Flow em riser flex\u00edvel com petr\u00f3leo ultraviscoso","display_name":"An\u00e1lise em fluidodin\u00e2mica computacional do escoamento Core-Annular Flow em riser flex\u00edvel com petr\u00f3leo ultraviscoso","publication_year":2026,"publication_date":"2026-11-11","ids":{"openalex":"https://openalex.org/W7225835592","doi":"https://doi.org/10.18265/2447-9187a2026id9492"},"language":"en","primary_location":{"id":"doi:10.18265/2447-9187a2026id9492","doi":"https://doi.org/10.18265/2447-9187a2026id9492","is_oa":true,"landing_page_url":"https://doi.org/10.18265/2447-9187a2026id9492","pdf_url":null,"source":{"id":"https://openalex.org/S2738664114","display_name":"Revista Principia - Divulga\u00e7\u00e3o Cient\u00edfica e Tecnol\u00f3gica do IFPB","issn_l":"1517-0306","issn":["1517-0306","2447-9187"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","latindex"],"host_organization":"https://openalex.org/P4310312422","host_organization_name":"Editora IFPB","host_organization_lineage":["https://openalex.org/P4310312422"],"host_organization_lineage_names":["Editora IFPB"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Principia","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.18265/2447-9187a2026id9492","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5095967080","display_name":"Camila Oliveira dos Santos Borges","orcid":"https://orcid.org/0009-0009-9437-5578","observed_orcids":["https://orcid.org/0009-0009-9437-5578"]},"institutions":[{"id":"https://openalex.org/I126158947","display_name":"Universidade Federal da Bahia","ror":"https://ror.org/03k3p7647","country_code":"BR","type":"education","lineage":["https://openalex.org/I126158947"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Camila Oliveira dos Santos Borges","raw_affiliation_strings":["Universidade Federal da Bahia (UFBA),  Salvador, Bahia"],"raw_orcid":"https://orcid.org/0009-0009-9437-5578","affiliations":[{"raw_affiliation_string":"Universidade Federal da Bahia (UFBA),  Salvador, Bahia","institution_ids":["https://openalex.org/I126158947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003733137","display_name":"M\u00e1rcio A.F. Martins","orcid":"https://orcid.org/0000-0003-2390-1525","observed_orcids":["https://orcid.org/0000-0003-2390-1525"]},"institutions":[{"id":"https://openalex.org/I126158947","display_name":"Universidade Federal da Bahia","ror":"https://ror.org/03k3p7647","country_code":"BR","type":"education","lineage":["https://openalex.org/I126158947"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M\u00e1rcio Andr\u00e9 Fernandes Martins","raw_affiliation_strings":["Universidade Federal da Bahia (UFBA), Salvador, Bahia"],"raw_orcid":"https://orcid.org/0000-0003-2390-1525","affiliations":[{"raw_affiliation_string":"Universidade Federal da Bahia (UFBA), Salvador, Bahia","institution_ids":["https://openalex.org/I126158947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5095967081","display_name":"Josemar Rocha Pedroso","orcid":"https://orcid.org/0009-0006-9661-557X","observed_orcids":["https://orcid.org/0009-0006-9661-557X"]},"institutions":[{"id":"https://openalex.org/I126158947","display_name":"Universidade Federal da Bahia","ror":"https://ror.org/03k3p7647","country_code":"BR","type":"education","lineage":["https://openalex.org/I126158947"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Josemar Rocha Pedroso","raw_affiliation_strings":["Universidade Federal da Bahia,  Salvador, Bahia"],"raw_orcid":"https://orcid.org/0009-0006-9661-557X","affiliations":[{"raw_affiliation_string":"Universidade Federal da Bahia,  Salvador, Bahia","institution_ids":["https://openalex.org/I126158947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063754297","display_name":"Leonardo Santana Gon\u00e7alves de Souza","orcid":"https://orcid.org/0000-0003-1545-8762","observed_orcids":["https://orcid.org/0000-0003-1545-8762"]},"institutions":[{"id":"https://openalex.org/I126158947","display_name":"Universidade Federal da Bahia","ror":"https://ror.org/03k3p7647","country_code":"BR","type":"education","lineage":["https://openalex.org/I126158947"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Leonardo Silva De Souza","raw_affiliation_strings":["Universidade Federal da Bahia, Salvador, Bahia"],"raw_orcid":"https://orcid.org/0000-0003-1545-8762","affiliations":[{"raw_affiliation_string":"Universidade Federal da Bahia, Salvador, Bahia","institution_ids":["https://openalex.org/I126158947"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080772618","display_name":"NUCCIA CARLA ARRUDA DE SOUSA","orcid":"https://orcid.org/0000-0002-6017-2512","observed_orcids":["https://orcid.org/0000-0002-6017-2512"]},"institutions":[{"id":"https://openalex.org/I79889768","display_name":"Universidade Federal de Alagoas","ror":"https://ror.org/00dna7t83","country_code":"BR","type":"education","lineage":["https://openalex.org/I79889768"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Nuccia Carla Arruda de Sousa","raw_affiliation_strings":["Universidade Federal de Alagoas (UFAL), Penedo, Alagoas"],"raw_orcid":"https://orcid.org/0000-0002-6017-2512","affiliations":[{"raw_affiliation_string":"Universidade Federal de Alagoas (UFAL), Penedo, Alagoas","institution_ids":["https://openalex.org/I79889768"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13925","display_name":"Offshore Engineering and Technologies","score":0.5679000020027161,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T13925","display_name":"Offshore Engineering and Technologies","score":0.5679000020027161,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11382","display_name":"Fluid Dynamics and Heat Transfer","score":0.38280001282691956,"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"}},{"id":"https://openalex.org/T11379","display_name":"Rheology and Fluid Dynamics Studies","score":0.007400000002235174,"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"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6284999847412109},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5676000118255615},{"id":"https://openalex.org/C1633027","wikidata":"https://www.wikidata.org/wiki/Q815820","display_name":"Computational fluid dynamics","level":2,"score":0.4975999891757965},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.4970000088214874},{"id":"https://openalex.org/C110407247","wikidata":"https://www.wikidata.org/wiki/Q122508","display_name":"Inertia","level":2,"score":0.48190000653266907},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.46889999508857727},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.45899999141693115},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4341999888420105},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.4278999865055084},{"id":"https://openalex.org/C3020810636","wikidata":"https://www.wikidata.org/wiki/Q456026","display_name":"Flow resistance","level":3,"score":0.4203999936580658},{"id":"https://openalex.org/C2779379648","wikidata":"https://www.wikidata.org/wiki/Q1559665","display_name":"Multiphase flow","level":2,"score":0.388700008392334},{"id":"https://openalex.org/C78762247","wikidata":"https://www.wikidata.org/wiki/Q1273174","display_name":"Petroleum engineering","level":1,"score":0.35749998688697815},{"id":"https://openalex.org/C90278072","wikidata":"https://www.wikidata.org/wiki/Q216320","display_name":"Fluid dynamics","level":2,"score":0.3562999963760376},{"id":"https://openalex.org/C200114574","wikidata":"https://www.wikidata.org/wiki/Q1143513","display_name":"Vorticity","level":3,"score":0.33709999918937683},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.33070001006126404},{"id":"https://openalex.org/C2781424430","wikidata":"https://www.wikidata.org/wiki/Q5462093","display_name":"Flow conditions","level":3,"score":0.3296999931335449},{"id":"https://openalex.org/C138777275","wikidata":"https://www.wikidata.org/wiki/Q6884054","display_name":"Mixing (physics)","level":2,"score":0.31200000643730164},{"id":"https://openalex.org/C500300565","wikidata":"https://www.wikidata.org/wiki/Q925667","display_name":"Computer simulation","level":2,"score":0.30630001425743103},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.3034999966621399},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.29739999771118164},{"id":"https://openalex.org/C166693061","wikidata":"https://www.wikidata.org/wiki/Q5462119","display_name":"Flow velocity","level":3,"score":0.29010000824928284},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2815000116825104},{"id":"https://openalex.org/C199104240","wikidata":"https://www.wikidata.org/wiki/Q118291","display_name":"Marine engineering","level":1,"score":0.28060001134872437},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.28040000796318054},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.2705000042915344},{"id":"https://openalex.org/C204561356","wikidata":"https://www.wikidata.org/wiki/Q1148018","display_name":"Pipe flow","level":3,"score":0.2687000036239624},{"id":"https://openalex.org/C83893533","wikidata":"https://www.wikidata.org/wiki/Q5462121","display_name":"Flow visualization","level":3,"score":0.2678999900817871},{"id":"https://openalex.org/C120168410","wikidata":"https://www.wikidata.org/wiki/Q4839622","display_name":"Backflow","level":3,"score":0.2648000121116638},{"id":"https://openalex.org/C144308804","wikidata":"https://www.wikidata.org/wiki/Q232997","display_name":"Two-phase flow","level":3,"score":0.2648000121116638},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.25690001249313354},{"id":"https://openalex.org/C60439489","wikidata":"https://www.wikidata.org/wiki/Q634407","display_name":"Streamlines, streaklines, and pathlines","level":2,"score":0.25529998540878296}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.18265/2447-9187a2026id9492","doi":"https://doi.org/10.18265/2447-9187a2026id9492","is_oa":true,"landing_page_url":"https://doi.org/10.18265/2447-9187a2026id9492","pdf_url":null,"source":{"id":"https://openalex.org/S2738664114","display_name":"Revista Principia - Divulga\u00e7\u00e3o Cient\u00edfica e Tecnol\u00f3gica do IFPB","issn_l":"1517-0306","issn":["1517-0306","2447-9187"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","latindex"],"host_organization":"https://openalex.org/P4310312422","host_organization_name":"Editora IFPB","host_organization_lineage":["https://openalex.org/P4310312422"],"host_organization_lineage_names":["Editora IFPB"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Principia","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.18265/2447-9187a2026id9492","doi":"https://doi.org/10.18265/2447-9187a2026id9492","is_oa":true,"landing_page_url":"https://doi.org/10.18265/2447-9187a2026id9492","pdf_url":null,"source":{"id":"https://openalex.org/S2738664114","display_name":"Revista Principia - Divulga\u00e7\u00e3o Cient\u00edfica e Tecnol\u00f3gica do IFPB","issn_l":"1517-0306","issn":["1517-0306","2447-9187"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","latindex"],"host_organization":"https://openalex.org/P4310312422","host_organization_name":"Editora IFPB","host_organization_lineage":["https://openalex.org/P4310312422"],"host_organization_lineage_names":["Editora IFPB"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Principia","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1983619657","https://openalex.org/W2332953702","https://openalex.org/W2538989071","https://openalex.org/W2560425075","https://openalex.org/W2571179760","https://openalex.org/W2738109192","https://openalex.org/W2792354864","https://openalex.org/W2886314268","https://openalex.org/W2979579140","https://openalex.org/W3045673880","https://openalex.org/W3134225034","https://openalex.org/W3195931620","https://openalex.org/W4294636636","https://openalex.org/W4309787634","https://openalex.org/W4317506538","https://openalex.org/W4404106357","https://openalex.org/W4405602310","https://openalex.org/W4409344666","https://openalex.org/W7127579214"],"related_works":[],"abstract_inverted_index":{"Despite":[0],"advances":[1],"in":[2,17,70,84,95,154],"the":[3,11,42,63,76,116,120,130,137,141,145,149,175,185,195,207,211,214,217,223,235],"investigation":[4],"of":[5,13,44,81,132,136,140,148,210,219],"core-annular":[6,236],"flow":[7,15,27,53,159,237],"(CAF),":[8],"studies":[9],"assessing":[10],"behavior":[12,40],"this":[14,33,35,52,82],"regime":[16,54],"buoyancy-supported":[18],"flexible":[19],"risers,":[20],"whose":[21],"curved":[22],"geometry":[23,101],"can":[24,205],"significantly":[25],"affect":[26],"dynamics,":[28,221],"remain":[29],"scarce.":[30],"To":[31],"address":[32],"gap,":[34],"study":[36,59],"analyzes":[37],"oil-water":[38],"multiphase":[39],"during":[41],"transport":[43,117],"ultraviscous":[45,133],"oil":[46,134,192],"by":[47],"using":[48,107,124],"OpenFOAM":[49],"to":[50,61,75,114,144,171,184,191,239],"simulate":[51],"inside":[55],"a":[56,165],"riser.":[57],"The":[58,88,100,109,127],"aims":[60],"investigate":[62],"hydrodynamic":[64],"mechanisms":[65],"that":[66,204],"influence":[67],"oil-core":[68],"instability":[69],"complex":[71],"geometries,":[72],"thereby":[73],"contributing":[74],"safe":[77],"and":[78,102,119,161,229],"efficient":[79],"application":[80],"technique":[83,238],"real":[85],"production":[86,240],"systems.":[87],"methodology":[89],"followed":[90],"standard":[91],"procedures":[92],"commonly":[93],"used":[94],"Computational":[96],"Fluid":[97],"Dynamics":[98],"simulations.":[99],"computational":[103],"mesh":[104],"were":[105,122],"developed":[106],"SALOME-MECA.":[108],"interFoam":[110],"solver":[111],"was":[112,162,181],"employed":[113],"solve":[115],"equations,":[118],"results":[121],"post-processed":[123],"ParaView":[125],"software.":[126],"simulations":[128,215],"revealed":[129],"accumulation":[131,157],"downstream":[135],"positive-curvature":[138],"section":[139],"riser,":[142],"owing":[143],"high":[146,186],"inertia":[147],"fluid,":[150],"which":[151],"resists":[152],"changes":[153],"trajectory.":[155],"This":[156],"increased":[158],"resistance":[160],"associated":[163,225],"with":[164,226,242],"pressure":[166],"decrease":[167],"from":[168],"4,148.0":[169],"Pa":[170],"3,365.8":[172],"Pa.":[173],"In":[174],"suspended":[176],"section,":[177],"significant":[178],"vortex":[179],"formation":[180],"observed":[182],"due":[183],"velocity":[187],"gradient,":[188],"potentially":[189],"leading":[190],"dispersion":[193],"into":[194],"water":[196],"phase.":[197],"These":[198],"instabilities":[199],"may":[200],"generate":[201],"hydraulic":[202],"vibrations":[203],"compromise":[206],"structural":[208],"integrity":[209],"system.":[212],"Overall,":[213],"enabled":[216],"identification":[218],"interfacial":[220],"highlighted":[222],"challenges":[224],"curvilinear":[227],"geometry,":[228],"provided":[230],"technical":[231],"support":[232],"for":[233],"adapting":[234],"systems":[241],"nonlinear":[243],"trajectories.":[244]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-11-12T00:00:00"}
