Effects of the cross-wind gust strength on vehicle aerodynamics

Kozmar, Hrvoje and Butler, Kyle and Kareem, Ahsan (2011) Effects of the cross-wind gust strength on vehicle aerodynamics. = Effects of the cross-wind gust strength on vehicle aerodynamics. In: 13th International Conference on Wind Engineering, 11.-15.07.2011., Amsterdam, Nizozemska.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=520710


Effects of cross-wind gusts on a vehicle were experimentally investigated in the NatHaz Lab at the University of Notre Dame. Increasing wind gust strength results in nearly linear increase in steady aerodynamic loads, i.e. side force, lift force, and overturning moment. Vortex shedding from the bridge and wind gusting determine transient aerodynamic loads on a vehicle. For the side force, the predominant unsteady flow mechanism is vortex shedding. The lift force and the overturning moment are simultaneously influenced by vortex shedding and by wind gusting. With increasing the gusts’ strength, the unsteady component of the lift force and of the overturning moment becomes predominantly influenced by the gusting of the oncoming wind and the vortex shedding effects become less important.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Cross-wind gust, vehicle, bridge, wind-tunnel experiments
Subjects: NATURAL SCIENCES > Physics
Divisions: 1400 Department of fluid mechanics > 1420 Chair of environment and construction aerodynamics
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 13 Apr 2016 11:50
Last Modified: 27 Jul 2017 10:30
URI: http://repozitorij.fsb.hr/id/eprint/5594

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