0
TECHNICAL PAPERS

A PIV Algorithm for Estimating Time-Averaged Velocity Fields

[+] Author and Article Information
Carl D. Meinhart

Department of Mechanical & Environmental Engineering, University of California, Santa Barbara, CA 93106e-mail: meinhart@engineering.vcsb.edu

Steve T. Wereley

Mechanical Engineering, Purdue University, 1288 Mechanical Engineering Building, West Lafayette, IN 47909-1288

Juan G. Santiago

Department of Mechanical Engineering, Stanford University, Stanford, CA 94305-3030

J. Fluids Eng 122(2), 285-289 (Feb 02, 2000) (5 pages) doi:10.1115/1.483256 History: Received May 17, 1999; Revised February 02, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Diagrams depicting the different ways in which the average velocity can be estimated: (a) average velocity method, (b) average image method, (c) average correlation method
Grahic Jump Location
Instantaneous cross correlation functions that are averaged together to produce an average correlation function. The average correlation function has a much higher signal-to-noise ratio than the instantaneous correlation functions.
Grahic Jump Location
Velocity vector fields showing the results from the different methods of calculation: (a) instantaneous velocity field, (b) time average of twenty instantaneous velocity fields, (c) velocity field calculated from time-averaged correlation functions
Grahic Jump Location
Comparison of the performance of the three averaging techniques: average velocity •, average image ▪, and average correlation ▾

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In