{"id":"https://openalex.org/W2746354101","doi":"https://doi.org/10.1115/gt2017-63012","title":"On the Thermodynamic Process in the Bulk-Flow Model for the Estimation of the Dynamic Coefficients of Labyrinth Seals","display_name":"On the Thermodynamic Process in the Bulk-Flow Model for the Estimation of the Dynamic Coefficients of Labyrinth Seals","publication_year":2017,"publication_date":"2017-06-26","ids":{"openalex":"https://openalex.org/W2746354101","doi":"https://doi.org/10.1115/gt2017-63012","mag":"2746354101"},"language":"en","primary_location":{"id":"doi:10.1115/gt2017-63012","doi":"https://doi.org/10.1115/gt2017-63012","is_oa":false,"landing_page_url":"https://doi.org/10.1115/gt2017-63012","pdf_url":null,"source":{"id":"https://openalex.org/S4306503524","display_name":"ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Volume 7A: Structures and Dynamics","raw_type":"proceedings-article"},"parent_works":[],"lineage":["https://openalex.org/W2746354101"],"child_works_count":0,"type":"conference-paper","is_traditional":true,"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/A5035712467","display_name":"Filippo Cangioli","orcid":"https://orcid.org/0000-0003-3753-6661","observed_orcids":["https://orcid.org/0000-0003-3753-6661"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Filippo Cangioli","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023584630","display_name":"Paolo Pennacchi","orcid":"https://orcid.org/0000-0001-8174-0462","observed_orcids":["https://orcid.org/0000-0001-8174-0462"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Pennacchi","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090243035","display_name":"Giuseppe Vannini","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210157991","display_name":"General Electric (Italy)","ror":"https://ror.org/05ehfjt50","country_code":"IT","type":"company","lineage":["https://openalex.org/I1332737386","https://openalex.org/I4210157991"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giuseppe Vannini","raw_affiliation_strings":["GE Oil&Gas, Florence, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GE Oil&Gas, Florence, Italy","institution_ids":["https://openalex.org/I4210157991"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038898001","display_name":"Lorenzo Ciuchicchi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lorenzo Ciuchicchi","raw_affiliation_strings":["GE Oil&Gas, Le Creusot, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GE Oil&Gas, Le Creusot, France","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083510369","display_name":"A. Vania","orcid":"https://orcid.org/0000-0001-8277-1498","observed_orcids":["https://orcid.org/0000-0001-8277-1498"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Vania","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019722688","display_name":"Steven Chatterton","orcid":"https://orcid.org/0000-0003-4170-009X","observed_orcids":["https://orcid.org/0000-0003-4170-009X"]},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Steven Chatterton","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069110150","display_name":"Phuoc Vinh Dang","orcid":"https://orcid.org/0000-0002-9515-5173","observed_orcids":["https://orcid.org/0000-0002-9515-5173"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Phuoc Vinh Dang","raw_affiliation_strings":["University of Danang, H\u1ea3i Ch\u00e2u, Vietnam"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Danang, H\u1ea3i Ch\u00e2u, Vietnam","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.6267,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.95723379,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"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/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11138","display_name":"Tribology and Lubrication Engineering","score":0.007799999788403511,"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/T12435","display_name":"Bladed Disk Vibration Dynamics","score":0.0008999999845400453,"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/labyrinth-seals","display_name":"labyrinth seals","score":0.9929999709129333},{"id":"https://openalex.org/keywords/bulk-flow-model","display_name":"bulk-flow model","score":0.8569999933242798},{"id":"https://openalex.org/keywords/swirl-brakes","display_name":"swirl brakes","score":0.6240000128746033},{"id":"https://openalex.org/keywords/energy-equation","display_name":"energy equation","score":0.7369999885559082},{"id":"https://openalex.org/keywords/fluid-structure-interaction","display_name":"fluid-structure interaction","score":0.6840000152587891},{"id":"https://openalex.org/keywords/rotor-stator-clearance","display_name":"rotor-stator clearance","score":0.44200000166893005},{"id":"https://openalex.org/keywords/real-gas-properties","display_name":"real gas properties","score":0.5379999876022339},{"id":"https://openalex.org/keywords/high-pressure-seals","display_name":"high-pressure seals","score":0.4729999899864197},{"id":"https://openalex.org/keywords/rotor-dynamics","display_name":"rotor dynamics","score":0.31299999356269836}],"concepts":[{"id":"https://openalex.org/C2780313912","wikidata":"https://www.wikidata.org/wiki/Q1753214","display_name":"Labyrinth seal","level":3,"score":0.7777559757232666},{"id":"https://openalex.org/C200398353","wikidata":"https://www.wikidata.org/wiki/Q63973","display_name":"Turbomachinery","level":2,"score":0.5738726854324341},{"id":"https://openalex.org/C2777755289","wikidata":"https://www.wikidata.org/wiki/Q162919","display_name":"Seal (emblem)","level":2,"score":0.5712892413139343},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5472440719604492},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.5456536412239075},{"id":"https://openalex.org/C1633027","wikidata":"https://www.wikidata.org/wiki/Q815820","display_name":"Computational fluid dynamics","level":2,"score":0.5343182682991028},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.5286980867385864},{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.5017998218536377},{"id":"https://openalex.org/C2780581274","wikidata":"https://www.wikidata.org/wiki/Q719050","display_name":"Rotordynamics","level":3,"score":0.49862098693847656},{"id":"https://openalex.org/C167191414","wikidata":"https://www.wikidata.org/wiki/Q908724","display_name":"Real gas","level":2,"score":0.41748809814453125},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.4088664650917053},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3879701793193817},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.30339330434799194},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2697668671607971},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.20105355978012085},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1673426330089569},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1115/gt2017-63012","doi":"https://doi.org/10.1115/gt2017-63012","is_oa":false,"landing_page_url":"https://doi.org/10.1115/gt2017-63012","pdf_url":null,"source":{"id":"https://openalex.org/S4306503524","display_name":"ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Volume 7A: Structures and Dynamics","raw_type":"proceedings-article"},{"id":"pmh:oai:re.public.polimi.it:11311/1032680","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11311/1032680","pdf_url":null,"source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1453820635","https://openalex.org/W1989403924","https://openalex.org/W1995617996","https://openalex.org/W1997989635","https://openalex.org/W2019338041","https://openalex.org/W2028960842","https://openalex.org/W2029779972","https://openalex.org/W2052368995","https://openalex.org/W2073207722","https://openalex.org/W2079422440","https://openalex.org/W2115731784","https://openalex.org/W2308907535","https://openalex.org/W2522939504","https://openalex.org/W2618761798","https://openalex.org/W2765887542"],"related_works":["https://openalex.org/W2618761798","https://openalex.org/W2887336441","https://openalex.org/W2888822847","https://openalex.org/W2811152204","https://openalex.org/W2768239054","https://openalex.org/W4243529082","https://openalex.org/W7162099672","https://openalex.org/W4253569230","https://openalex.org/W4210418346","https://openalex.org/W2161082368"],"abstract_inverted_index":{"The":[0,37,94,263,292,303,417],"influence":[1],"of":[2,8,40,44,67,73,91,97,149,225,282,287,323,328,379,393,399],"sealing":[3],"components":[4],"on":[5,139,310,320,345],"the":[6,31,35,41,45,64,71,74,88,107,119,136,140,146,150,152,156,162,179,184,188,199,211,214,223,226,230,236,248,253,261,266,271,276,283,288,296,299,306,311,317,321,324,329,334,339,346,354,362,365,370,377,380,387,394,397,410,413,424,435],"stability":[7],"turbomachinery":[9],"has":[10,403],"become":[11],"a":[12,98,243,280,390],"key":[13],"topic":[14],"because":[15,247],"oil":[16],"and":[17,26,78,126,205,298,327,338,431],"gas":[18,204,238],"market":[19],"is":[20,47,167,190,256,278,314,351],"increasingly":[21],"requiring":[22],"high":[23,27],"rotational":[24],"speed":[25],"efficiency,":[28],"which":[29,313],"implies":[30],"clearance":[32,284],"reduction":[33],"in":[34,106,118,132,187,229,242,260,270,305,353,364,396],"seals.":[36,93],"accurate":[38,245],"prediction":[39],"effective":[42],"damping":[43],"seals":[46],"critical":[48],"to":[49,62,84,134,374,423],"avoid":[50],"instability":[51],"issues.":[52],"In":[53,208,233],"recent":[54],"years,":[55],"\u201cnegative-swirl\u201d":[56],"swirl":[57],"brakes":[58],"have":[59],"been":[60,404],"employed":[61],"reverse":[63],"circumferential":[65,300,325],"direction":[66],"inlet":[68],"flow,":[69],"changing":[70],"sign":[72],"cross-coupled":[75,141],"stiffness":[76,142],"coefficients":[77,395],"generating":[79],"stabilizing":[80],"forces.":[81],"Industries":[82],"started":[83],"investigate,":[85],"by":[86,113,161,221,356,383,429],"experiments,":[87],"dynamical":[89],"behavior":[90],"labyrinth":[92,101,367],"experimental":[95,122,414],"results":[96,408,419],"14":[99],"teeth-on-stator":[100],"seal":[102,109,157,189,200,254],"with":[103,124,145,178,412],"nitrogen,":[104],"performed":[105,131],"high-pressure":[108],"test":[110],"rig":[111],"owned":[112],"GE":[114],"Oil&Gas,":[115],"are":[116,240,420],"presented":[117],"paper.":[120],"Both":[121],"tests":[123],"positive":[125],"negative":[127,400],"pre-swirl":[128,137,401],"values":[129],"were":[130],"order":[133],"investigate":[135,361],"effect":[138,224],"coefficients.":[143],"Concerning":[144],"dynamic":[147],"characterization":[148],"seal,":[151],"fluid-structure":[153],"interaction":[154],"into":[155,258,385],"can":[158],"be":[159],"modelled":[160],"bulk-flow":[163,182,218,426],"numeric":[164],"approach":[165],"that":[166,275,360],"still":[168],"more":[169,244],"time":[170],"efficient":[171],"than":[172],"computational":[173],"fluid":[174,340],"dynamics":[175],"(CFD).":[176],"Dealing":[177],"one-control":[180,216],"volume":[181,217],"model,":[183],"thermodynamic":[185,341],"process":[186],"considered":[191],"isenthalpic,":[192],"despite":[193],"an":[194],"expected":[195,251],"enthalpy":[196,249,277],"variation":[197],"along":[198],"cavities,":[201,255],"both":[202],"for":[203],"steam":[206],"applications.":[207],"this":[209,234],"paper,":[210],"authors":[212],"improve":[213],"state-of-the-art":[215,425],"model":[219,427],"[1],":[220],"introducing":[222],"energy":[227,267,293,318,371,388],"equation":[228,268,294,372],"zero-order":[231,272],"solution.":[232],"way,":[235],"real":[237],"properties":[239,342],"evaluated":[241],"way":[246],"variation,":[250],"through":[252],"taken":[257],"account":[259,386],"model.":[262],"authors,":[264],"considering":[265],"only":[269],"solution,":[273],"assume":[274],"not":[279],"function":[281],"perturbation":[285],"(i.e.":[286],"rotor":[289],"perturbed":[290],"motion).":[291],"links":[295],"continuity":[297],"momentum":[301],"equations.":[302],"density,":[304],"leakage":[307,335,363],"correlation,":[308],"depends":[309],"enthalpy,":[312],"calculated":[315],"(in":[316],"equation)":[319],"basis":[322],"velocity":[326],"fluid/rotor":[330],"shear":[331,347],"stress.":[332],"Therefore,":[333],"mass-flow":[336],"rate":[337],"depend,":[343],"indirectly,":[344],"stresses.":[348],"This":[349],"fact":[350],"proved":[352],"literature":[355],"several":[357],"CFD":[358],"simulations":[359],"straight-through":[366],"seals,":[368],"hence,":[369],"allows":[373],"better":[375,391],"characterize":[376],"physics":[378],"problem.":[381],"Overall,":[382],"taking":[384],"equation,":[389],"estimation":[392],"case":[398],"ratio":[402],"obtained":[405],"(as":[406],"it":[407],"from":[409],"comparison":[411],"benchmark":[415],"tests).":[416],"numerical":[418],"also":[421],"compared":[422],"developed":[428],"Thorat":[430],"Childs":[432],"(2010),":[433],"highlighting":[434],"improvement":[436],"obtained.":[437]},"counts_by_year":[{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":1}],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2017-08-31T00:00:00"}