Experimental Investigations of Wind Shear from Passing a Vehicle [Research Brief]
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2024-12-01
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Corporate Contributors:State of California SB1 2017/2018, Trustees of the California State University Sponsored Programs Administration ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
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Edition:Research Brief
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Abstract:Experimental investigations of the wind load generated by vehicles on road signs have shown that the force exerted on these signs varies depending on both the vehicle’s aerodynamics and the sign’s positioning. These insights highlight the complex interaction between moving vehicles and roadside structure locations. The highest force on the road sign is imposed by the front of the vehicle, and the amount of the load depends on the distance between the vehicle and the sign. Depending on the force amplitude and its duration, the impact on the road sign could result in dynamic reactions and material fatigue. We conducted experimental research on wind generated by passing vehicles to assess the results of our previous numerical investigation which showed its potential for electric power generation.
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