Simulation of synthetic jets in quiescent air using unsteady reynolds averaged navier-stokes equations

Veer N. Vatsa; Eli Turkel

doi:10.2514/6.2004-4967

Simulation of synthetic jets in quiescent air using unsteady reynolds averaged navier-stokes equations

Veer N. Vatsa^*, Eli Turkel

^*Corresponding author for this work

School of Mathematical Sciences

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

We report research experience in applying an Unsteady Reynolds-Averaged Navier-Stokes (URANS) solver for the prediction of time-dependent flows in the presence of an active flow control device. The configuration under consideration is a synthetic jet created by a single diaphragm piezoelectric actuator in quiescent air. Time-averaged and instantaneous data for this case were obtained at Langley Research Center, using multiple measurement techniques. Computational results for this case using one-equation Spalart-Allmaras and two-equation Menter's turbulence models are presented here along with comparisons with the experimental data. The effect of grid refinement, preconditioning and time-step variation are also examined.

Original language	English
Pages (from-to)	488-500
Number of pages	13
Journal	Collection of Technical Papers - AIAA Applied Aerodynamics Conference
Volume	1
DOIs	https://doi.org/10.2514/6.2004-4967
State	Published - 2004
Event	Collection of Technical Papers - 22nd AIAA Applied Aerodynamics Conference - Providence, RI, United States Duration: 16 Aug 2004 → 19 Aug 2004

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abstract = "We report research experience in applying an Unsteady Reynolds-Averaged Navier-Stokes (URANS) solver for the prediction of time-dependent flows in the presence of an active flow control device. The configuration under consideration is a synthetic jet created by a single diaphragm piezoelectric actuator in quiescent air. Time-averaged and instantaneous data for this case were obtained at Langley Research Center, using multiple measurement techniques. Computational results for this case using one-equation Spalart-Allmaras and two-equation Menter's turbulence models are presented here along with comparisons with the experimental data. The effect of grid refinement, preconditioning and time-step variation are also examined.",

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AB - We report research experience in applying an Unsteady Reynolds-Averaged Navier-Stokes (URANS) solver for the prediction of time-dependent flows in the presence of an active flow control device. The configuration under consideration is a synthetic jet created by a single diaphragm piezoelectric actuator in quiescent air. Time-averaged and instantaneous data for this case were obtained at Langley Research Center, using multiple measurement techniques. Computational results for this case using one-equation Spalart-Allmaras and two-equation Menter's turbulence models are presented here along with comparisons with the experimental data. The effect of grid refinement, preconditioning and time-step variation are also examined.

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Simulation of synthetic jets in quiescent air using unsteady reynolds averaged navier-stokes equations

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