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PIV Measurements of Cross-flow Velocity field in the Near Wake of a Pickup Truck
 

Summary: PIV Measurements of Cross-flow Velocity field in
the Near Wake of a Pickup Truck
Abdullah M. Al-Garni and Luis P. Bernal
Department of Aerospace Engineering
University of Michigan
Ann Arbor, MI 48109-2140
Prepared for:
Larry Butz and Bahram Khalighi
GM Research and Development Center
Warren, MI 48090-9055
Report Number - N002139-04
27 February 2003
University of Michigan Aerospace Engineering Report # N002139-04ii
SUMMARY
The flow in the near wake of pickup trucks is characterized by the interaction of separated
shear layers from the cab with the bed surfaces and the tailgate. In a previous report, we
examined the flow in the near wake of a pickup truck at three vertical and horizontal planes.
Results show a relatively quiet region behind the cab and strong downwash at the symmetry
plane. This downwash is believed to be due to the existence of strong streamwise vorticity field.
Thus, this experimental investigation has been conducted to identify streamwise vortex structures

  

Source: Al-Garni, Abdullah M. - Department of Aerospace Engineering, King Fahd University of Petroleum and Minerals

 

Collections: Engineering