Abstract
The objective of this study was to perturb vortex ring structures forming in the near field of a round air jet to modify the dispersion of solid particles in the flow. A jet with Reynolds number based on exit diameter of 1.9 ×104 was loaded with 55-μ diameter glass beads and forced axially with an acoustic speaker. Forcing waveforms were either single or double frequency. Results from flow visualization, laser Doppler anemometry, and quantitative mapping of particle number density show that significant modifications to local particle concentration and dispersion could be achieved.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 555-563 |
| Number of pages | 9 |
| Journal | AIAA journal |
| Volume | 32 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 1994 |
Bibliographical note
Funding Information:This work was funded by the Electric Power Research Institute under Contract RP 8005-2 monitored by George Offen. The first author was supported by fellowships from the Link Foundation and the American Association of University Women.
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