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Flow visualization of truck aerodynamics

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Information about Flow visualization of truck aerodynamics
Science-Technology

Published on December 18, 2008

Author: aSGuest7190

Source: authorstream.com

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Flow Visualizationof Truck Aerodynamics : Flow Visualizationof Truck Aerodynamics University of Utah Dept. of Mechanical Engineering Class ME EN 6700 Authors Mallikarjuna Damacharla Aditya Desai Liv Gheciu Jack Stites Abstract : Abstract The experiment was conducted using a 1:36 scale model truck mounted in a water channel. In order to show the eddy formation in close proximity to the surface, red dye was injected into the flow at different locations relative to the truck. Fluid Phenomenon Observed in the Flow : Fluid Phenomenon Observed in the Flow Flow separation Low pressure regions Large eddy formation Formation of vortices Vortex formation in the bed of the truck when the tailgate is up : Vortex formation in the bed of the truck when the tailgate is up Vortex formation in the bed of the truck when the tailgate is down : Vortex formation in the bed of the truck when the tailgate is down Vortex formation upstream of windshield : Vortex formation upstream of windshield Discussion : Discussion The experimental set up used did not allow for complete dynamic similarity with a life-size truck moving at highway speeds. This resulted in the analysis being qualitative rather than quantitative.

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