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1、EuropeanstandardNormeeuropeenneEuropaischenormEN14067-4:2024+AlMay2025ICS45.060.01SupersedesEN14067-4:2024EnglishVersionRailwayapplications-Aerodynamics-Part4:RequirementsandassessmentproceduresforaerodynamicsonopentrackApplicationsferroviaires-Aerodynamique-Partie4:Exigencesetproceduresd,evaluation
2、pourFaerodynamiqueaFairIibreBahnanwendungen-Aerodynamik-Teil4:AnforderungenundBewertungsverfahrenfiirAerodynamikaufoffenerStreckeThisEuropeanStandardwasapprovedbyCENon27February2024andincludesAmendment1approvedbyCENon9April2025.“CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichsti
3、pulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(Engl
4、ish,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Es
5、tonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMAL
6、ISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels2025CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.EN14067-4:2024+Al:2025EworldwideforCENnationalMembers.PageContentsEuropeanforeword4Introduction51 Scope62 Normativereferences63 Termsandde
7、finitions64 Symbols75 Requirementsonlocomotivesandpassengerrollingstock145.1 Limitationofpressurevariationsbesidethetrack145.1.1 General145.1.2 Requirements145.1.3 Fullconformityassessment155.1.4 Simplifiedconformityassessment155.2 Limitationofslipstreameffectsbesidethetrack175.2.1 General175.2.2 Re
8、quirements175.2.3 Fullconformityassessment195.2.4 Simplifiedconformityassessment205.3 Aerodynamicloadsinthetrackbed225.4 Aerodynamicallyinducedballastprojection.225.5 Runningresistance226 Requirementsoninfrastructure.236.1 Train-inducedpressureloadsactingonstructuresparalleltothetrack236.1.1 General
9、236.1.2 Requirements236.1.3 Conformityassessment236.2 Train-inducedairspeedsactingoninfrastructurecomponentsbesidethetrack,236.3 Train-inducedaerodynamicloadsinthetrackbed236.4 Train-inducedairspeedactingonpeoplebesidethetrack236.5 Aerodynamicallyinducedballastprojection247 Methodsandtestprocedures2
10、47.1 Assessmentoftrain-inducedpressurevariationsbesidethetrack247.1.1 General247.1.2 Pressurevariationsinthepressurefield(referencecase)277.1.3 Pressurevariationsonsurfacesparalleltothetrack367.1.4 Effectofwindonloadscausedbythetrain447.2 Assessmentoftrain-inducedairflowbesidethetrack447.2.1 General
11、447.2.2 Slipstreameffectsonpersonsbesidethetrack(referencecase)447.2.3 Slipstreameffectsonobjectsbesidethetrack487.3 Assessmentoftrain-inducedaerodynamicloadsinthetrackbed487.4 Assessmentofrunningresistance497.4.1 General497.4.2 Full-scaletests49AnnexA(informative)Procedureforfull-scaletestsregardin
12、gtrain-inducedairflowinthetrackbed57A.1A.2A.3A.4A.5General57Trackset-up57Vehicleconfigurationandtestconditions58Instrumentationanddataacquisition58Dataprocessing59Bibliography60EuropeanforewordThisdocument(EN14067-4:2024+Al:2025)hasbeenpreparedbyTechnicalCommitteeCEN/TC256nRailwayApplicationsthesecr
13、etariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyNovember2025,andcon11ictingnationalstandardsshallbewithdrawnatthelatestbyNovember2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdoc
14、umentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentincludesAmendment1approvedbyCENon9April2025.Thisdocumentsupersedes/EN14067-4:2024.Thestartandfinishoftextintroducedoralteredbyamendmentisindicatedinthetextbytags!u.ResultsoftheEU-fundedr
15、esearchprojectAeroTRAIN”(GrantAgreementNo.233985)arecontainedinthisdocument.(Deletedparagraphs11ThisdocumenthasbeenpreparedunderastandardizationrequestaddressedtoCENbytheEuropeanCommission.EN14067,RailwayapplicationsAerodynamicsconsistsofthefollowingparts: Part4:Requirementsandassessmentproceduresforaerodynamicsonopentrack; Part5:Requirementsandassessmentproceduresforaerodynamicsintunnels; Part6:Requirementsandassessmentproceduresforcrosswindassessment; Part7(TR):Fundamentalsfortestproceduresfortrain-inducedballastprojection.An
