摘要

Understanding of the formation mechanisms of synthetic jet, a new kind of jet, is important for design and application. This paper introduces the basic principles of the synthetic jet and develops a perturbation model for liquid synthetic jets and a simple thermodynamic model for gas synthetic jets based on their characteristics. The perturbation and thermodynamic models are used to analyze the formation mechanisms for liquid and gas synthetic jets. The analysis shows that the liquid synthetic jet results from cavitation and the gas synthetic jet resembles a microcompressor. Experimental results are analyzed using the present models whose predictions agree well with the experimental data.

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