Two-dimensional Laser Doppler anemometry (LDA) and computational fluid dynamics (CFD) are used to investigate the influence of cross-flow and momentum addition on flow features of a submerged entry nozzle (SEN) jet in a rectangular cavity (Rejet ≈ 95000). Round sidewall control jets are used to attempt to deflect and attenuate the main jet oscillation (St,W = 0.012). Feedback loop flow manipulation by injecting in the cross-flow region has shown to be an effective control configuration and a steady deflected jet has been computationally achieved. Higher control sensitivity has been observed for a variation on lateral jet momentum rather than for a variation of mass rate injected.

Volume Subject Area:
Free and Wall Bounded Shear Flows and Their Control
Topics:
Nozzles, Computational fluid dynamics, Cross-flow, Flow (Dynamics), Momentum, Cavities, Feedback, Jets, Laser Doppler anemometry, Oscillations
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Copyright © 2003
 by ASME
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