MSM 2000
MSM 2000
Technical Proceedings of the 2000 International Conference on Modeling and Simulation of Microsystems

Software Tools, CAD Systems Chapter 17

High-Fidelity and Reduced Models of Synthetic Microjets

Authors: A.J. Przekwas, M. Turowski and Z. Chen

Affilation: CFD Research Corporation, United States

Pages: 704 - 707

Keywords: synthetic jets, microjets, CFD simulation, reduced models, active flow control

Abstract:
Microfabricated arrays of synthetic jets are being explored for applications in aerodynamic flow control, in cooling of electronic packages, and in mixing in microchemical reactors. Computational simulation of coupled unsteady fluid mechanics and electromechanical actuation of a single synthetic jet can be performed with available CFD tools. Modeling of flow physics of large arrays of synthetic jets is computationally very challenging. This paper presents two complementary computational techniques: a three-dimensional high-fidelity model for detailed simulation of a single jet, and a reduced "single-cell" model of a jet for simulation of large arrays of synthetic jets. The high-fidelity model is also used to calibrate the compact model. The paper shows examples of multi-dimensional simulations of aerodynamic flow control ("virtual flight control") and of active electronics cooling with 2D arrays of synthetic jets.


ISBN: 0-9666135-7-0
Pages: 741

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