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Aerodynamic loads on buses due to crosswind gusts: extended analysis
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Fordonsdynamik. KTH, Skolan för teknikvetenskap (SCI), Centra, VinnExcellence Center for ECO2 Vehicle design.ORCID-id: 0000-0001-8928-0368
KTH, Skolan för teknikvetenskap (SCI), Centra, VinnExcellence Center for ECO2 Vehicle design.
2010 (engelsk)Inngår i: Vehicle System Dynamics, ISSN 0042-3114, E-ISSN 1744-5159, Vol. 48, s. 287-297Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The objective of this work is to use inverse simulations on measured vehicle data in order to estimate the aerodynamic loads on a bus when exposed to crosswind situations. Tyre forces, driver input, wind velocity and vehicle response were measured on a typical coach when subjected to natural crosswind gusts. Based on these measurements and a detailed MBS vehicle model, the aerodynamic loads were estimated through inverse simulations. In order to estimate the lift force, roll and pitch moments in addition to the lateral force and yaw moment, the simulation model was extended by also incorporating the estimation of the vertical road disturbances. The proposed method enables the estimation of aerodynamic loads due to crosswind gusts without using a full scale wind tunnel adapted for crosswind excitation.

sted, utgiver, år, opplag, sider
2010. Vol. 48, s. 287-297
Emneord [en]
bus, crosswind, inverse simulation, aerodynamic load
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-27652DOI: 10.1080/00423111003739814ISI: 000284639100018Scopus ID: 2-s2.0-78649732446OAI: oai:DiVA.org:kth-27652DiVA, id: diva2:381105
Merknad
QC 20101223Tilgjengelig fra: 2010-12-23 Laget: 2010-12-20 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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