3D PIV in Wind Tunnel Applications: Measurements of a Truck Wake

Paper #:
  • 1999-01-5600

Published:
  • 1999-10-19
Citation:
Heineck, J. and Walker, S., "3D PIV in Wind Tunnel Applications: Measurements of a Truck Wake," SAE Technical Paper 1999-01-5600, 1999, https://doi.org/10.4271/1999-01-5600.
Pages:
11
Abstract:
Three-component Particle Image Velocimetry (3D PIV) is a fluid velocity measurement technique that has evolved from the laboratory to become a method appropriate for use in large-scale wind tunnel testing. An example application of 3D PIV in a wind tunnel test is described. The PIV technique was applied to characterize the wake of The Ground Transportation System (GTS) model developed for the Department of Energy (DOE) Heavy Vehicle Drag Reduction (HVDR) program. The test was performed in the Ames/Army 7×10 foot wind tunnel. The objective of the PIV measurements was to validate the HVDR computational fluid dynamics code. The PIV method and PIV system are described. Sample truck wake data with and without boattail attachments are shown. 3D PIV system successfully captured the effects of the boattails on the truck wake.
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