Abstract
The present study attempts to clarify some of the fundamental flow characteristics of synthetic jet and continuous jet, based on method numerical simulations using the vortex. The flow pattern and the unsteady flow characteristics of the synthetic jet are compared with those of a continuous jet The numerical distributions of dimensionless mean velocities agree quantitatively with the experimental ones, which indicate the numerical simulation is valid. It is found that a vortex pair flowing downstream causes the synthetic jet. The accelerating domain of the jet which was confirmed in the synthetic jet experimentally is also observed in the numerical results.
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