{"id":"https://openalex.org/W2791621734","doi":"https://doi.org/10.1155/2018/6932596","title":"Numerical Modeling and Investigation on Aerodynamic Noise Characteristics of Pantographs in High\u2010Speed Trains","display_name":"Numerical Modeling and Investigation on Aerodynamic Noise Characteristics of Pantographs in High\u2010Speed Trains","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2791621734","doi":"https://doi.org/10.1155/2018/6932596","mag":"2791621734"},"language":"en","primary_location":{"id":"doi:10.1155/2018/6932596","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/6932596","pdf_url":"https://downloads.hindawi.com/journals/complexity/2018/6932596.pdf","source":{"id":"https://openalex.org/S207319443","display_name":"Complexity","issn_l":"1076-2787","issn":["1076-2787","1099-0526"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complexity","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://downloads.hindawi.com/journals/complexity/2018/6932596.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101647261","display_name":"Xiaoqi Sun","orcid":"https://orcid.org/0009-0005-2248-1049"},"institutions":[{"id":"https://openalex.org/I108688024","display_name":"Qingdao University","ror":"https://ror.org/021cj6z65","country_code":"CN","type":"education","lineage":["https://openalex.org/I108688024"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoqi Sun","raw_affiliation_strings":["School of Mathematics and Statistics, Qingdao University, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"School of Mathematics and Statistics, Qingdao University, Qingdao, China","institution_ids":["https://openalex.org/I108688024"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073424620","display_name":"Han Xiao","orcid":"https://orcid.org/0000-0002-7893-4028"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Han Xiao","raw_affiliation_strings":["School of Mathematical Sciences, Ocean University of China, Qingdao, China"],"affiliations":[{"raw_affiliation_string":"School of Mathematical Sciences, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5073424620"],"corresponding_institution_ids":["https://openalex.org/I59028903"],"apc_list":{"value":2300,"currency":"USD","value_usd":2300},"apc_paid":{"value":2300,"currency":"USD","value_usd":2300},"fwci":16.8456,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.98386895,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2018","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12081","display_name":"Aerodynamics and Fluid Dynamics Research","score":1.0,"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/T12081","display_name":"Aerodynamics and Fluid Dynamics Research","score":1.0,"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/T12759","display_name":"Vehicle Noise and Vibration Control","score":0.9934999942779541,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9912999868392944,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/pantograph","display_name":"Pantograph","score":0.9354444742202759},{"id":"https://openalex.org/keywords/train","display_name":"Train","score":0.7955157160758972},{"id":"https://openalex.org/keywords/aerodynamics","display_name":"Aerodynamics","score":0.7873767614364624},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6468546390533447},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5860962867736816},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.5511103868484497},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.4044684171676636},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.34623923897743225},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.3338199853897095},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21931463479995728},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.1786678433418274},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16370365023612976},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1132727861404419},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.05198657512664795}],"concepts":[{"id":"https://openalex.org/C20756127","wikidata":"https://www.wikidata.org/wiki/Q722757","display_name":"Pantograph","level":2,"score":0.9354444742202759},{"id":"https://openalex.org/C190839683","wikidata":"https://www.wikidata.org/wiki/Q2448197","display_name":"Train","level":2,"score":0.7955157160758972},{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.7873767614364624},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6468546390533447},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5860962867736816},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.5511103868484497},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.4044684171676636},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.34623923897743225},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.3338199853897095},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21931463479995728},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.1786678433418274},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16370365023612976},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1132727861404419},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.05198657512664795},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2018/6932596","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/6932596","pdf_url":"https://downloads.hindawi.com/journals/complexity/2018/6932596.pdf","source":{"id":"https://openalex.org/S207319443","display_name":"Complexity","issn_l":"1076-2787","issn":["1076-2787","1099-0526"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complexity","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:hin:complx:6932596","is_oa":false,"landing_page_url":"http://downloads.hindawi.com/journals/8503/2018/6932596.xml","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":"article"},{"id":"pmh:oai:doaj.org/article:e2c5000e88b74a498b8ac18b0acbf8b3","is_oa":true,"landing_page_url":"https://doaj.org/article/e2c5000e88b74a498b8ac18b0acbf8b3","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Complexity, Vol 2018 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2018/6932596","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/6932596","pdf_url":"https://downloads.hindawi.com/journals/complexity/2018/6932596.pdf","source":{"id":"https://openalex.org/S207319443","display_name":"Complexity","issn_l":"1076-2787","issn":["1076-2787","1099-0526"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complexity","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2376276132","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3551408696","display_name":null,"funder_award_id":"201713051","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G37568934","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5760752404","display_name":null,"funder_award_id":"Projects","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6949738120","display_name":null,"funder_award_id":"71611530712","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8951484681","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2791621734.pdf","grobid_xml":"https://content.openalex.org/works/W2791621734.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1489322898","https://openalex.org/W1721287869","https://openalex.org/W1984475576","https://openalex.org/W1985404077","https://openalex.org/W1994071118","https://openalex.org/W2003563008","https://openalex.org/W2039733220","https://openalex.org/W2054525876","https://openalex.org/W2066533674","https://openalex.org/W2072809642","https://openalex.org/W2080745350","https://openalex.org/W2094632881","https://openalex.org/W2136592937","https://openalex.org/W2146794926","https://openalex.org/W2169150058","https://openalex.org/W2169565444","https://openalex.org/W2267636740","https://openalex.org/W2307250307","https://openalex.org/W2391949639","https://openalex.org/W2467036503","https://openalex.org/W2517689716","https://openalex.org/W2560188834","https://openalex.org/W2575667170","https://openalex.org/W2580470350","https://openalex.org/W2594923113","https://openalex.org/W2611650206","https://openalex.org/W2683415340","https://openalex.org/W2744685457","https://openalex.org/W2764116589","https://openalex.org/W2768212049"],"related_works":["https://openalex.org/W2573375108","https://openalex.org/W4401544776","https://openalex.org/W4252833549","https://openalex.org/W608705681","https://openalex.org/W2744986488","https://openalex.org/W2053347207","https://openalex.org/W2587642633","https://openalex.org/W1570711163","https://openalex.org/W2376850203","https://openalex.org/W2039733220"],"abstract_inverted_index":{"Pantographs":[0],"are":[1,129,156,172,203,215,240,251],"important":[2],"devices":[3],"on":[4,173],"high\u2010speed":[5,49,108],"trains.":[6],"When":[7,48,279],"a":[8,12,66],"train":[9,21],"runs":[10],"at":[11],"high":[13],"speed,":[14],"concave":[15],"and":[16,26,33,43,120,153,167,176,200,219,258],"convex":[17],"parts":[18],"of":[19,63,73,80,102,107,124,143,184,209,213,229,246,282,294],"the":[20,57,74,78,113,204,225,235,242,263,268,271,273,280,291],"cause":[22],"serious":[23],"airflow":[24],"disturbances":[25],"result":[27],"in":[28,69,112,157,217,241],"flow":[29,103,122],"separation,":[30],"eddy":[31],"shedding,":[32],"breakdown.":[34],"A":[35],"strong":[36],"fluctuation":[37,182],"pressure":[38,275,296],"field":[39],"will":[40,277],"be":[41],"caused":[42],"transformed":[44],"into":[45],"aerodynamic":[46,54,71,81,125,188,206,227,244],"noises.":[47],"trains":[50,109],"reach":[51],"300":[52],"km/h,":[53],"noises":[55,62,72,82,126,239],"become":[56],"main":[58,205,249],"noise":[59,140,189,207,228,245,269],"source.":[60],"Aerodynamic":[61],"pantographs":[64,84,106,128,185,214,230,299],"occupy":[65],"large":[67],"proportion":[68],"far\u2010field":[70,226,243],"whole":[75],"train.":[76],"Therefore,":[77],"problem":[79],"for":[83,127,298],"is":[85,136,231,266,287,300],"outstanding":[86],"among":[87],"many":[88],"aerodynamics":[89],"problems.":[90],"This":[91],"paper":[92],"applies":[93],"Detached":[94],"Eddy":[95],"Simulation":[96],"(DES)":[97],"to":[98,138,186],"conducting":[99],"numerical":[100],"simulations":[101],"fields":[104,123],"around":[105,301],"which":[110],"run":[111],"open":[114],"air.":[115],"Time\u2010domain":[116],"characteristics,":[117,119],"frequency\u2010domain":[118],"unsteady":[121],"obtained.":[130],"The":[131,261],"acoustic":[132],"boundary":[133],"element":[134],"method":[135],"used":[137],"study":[139],"radiation":[141],"characteristics":[142],"pantographs.":[144,210],"Results":[145],"indicate":[146],"that":[147],"eddies":[148,171,180],"with":[149],"different":[150,154],"rotation":[151],"directions":[152],"scales":[155],"regions":[158],"such":[159],"as":[160],"pantograph":[161,174,193,236],"heads,":[162,194],"hinge":[163],"joints,":[164],"bottom":[165,177,198],"frames,":[166,199],"insulators,":[168,197],"while":[169],"larger":[170],"heads":[175],"frames.":[178],"These":[179],"affect":[181],"pressures":[183],"form":[187],"sources.":[190],"Slide":[191],"plates,":[192],"balance":[195],"rods,":[196],"push":[201],"rods":[202],"source":[208],"Radiated":[211],"energies":[212],"mainly":[216,232],"mid\u2010frequency":[218],"high\u2010frequency":[220,223],"bands.":[221],"In":[222],"bands,":[224],"contributed":[233],"by":[234,289],"head.":[237],"Single\u2010frequency":[238],"pantographs,":[247],"where":[248],"frequencies":[250],"293":[252],"Hz,":[253,255,257],"586":[254],"880":[256],"1173":[259],"Hz.":[260],"farther":[262],"observed":[264,285],"point":[265],"from":[267],"source,":[270],"faster":[272],"sound":[274,295],"attenuation":[276,292],"be.":[278],"distance":[281],"two":[283],"adjacent":[284],"points":[286],"increased":[288],"double,":[290],"amplitude":[293],"levels":[297],"6.6":[302],"dB.":[303]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}