Abstract
The theory is developed for a particle image velocimetry measurement procedure in which particles moving in a two-dimensional region of a steady turbulent flow are photographed repeatedly to build up a statistical ensemble of flow field realizations on a single photographic plate. Each interrogation spot on the plate contains a sample of the probability density function for the two components of velocity that lie in the photographic object plane. This sample can be measured by two-dimensional spatial correlation analysis. In general, the measured probability is biased toward low velocities, but with proper experimental design this bias can be avoided.
| Original language | English (US) |
|---|---|
| Title of host publication | Unknown Host Publication Title |
| State | Published - 1985 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Engineering
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