Numerical Study of a Novel Piston-type Synthetic Jet Actuator with a Quick-return Characteristic Article Swipe
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Synthetic jet
Piston (optics)
Actuator
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Physics
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Wavefront
Zheng Liu
,
Eriqitai
,
Liang Hong
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1088/1757-899x/187/1/012030
· OA: W2598683652
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1088/1757-899x/187/1/012030
· OA: W2598683652
A novel designed piston-type synthetic jet actuator has been developed, which has a quick-return characteristic. When moving to the Top Dead Centre, the piston in high speed route moves faster than the classical one. Compared with classical piston-type SJA, the pressure ratio of the cavity, jet velocity and the jet momentum of the novel SJA increase significantly, which greatly enhances the performance of the actuator. A parametric study has been carried out focusing on the affection in different actuation frequencies and duty cycle. Results show that the performance of the quick-return piston-type SJA is significantly improved.
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