Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session A25: Flow Control: General
8:00 AM–9:57 AM,
Sunday, November 19, 2023
Room: 150B
Chair: Qiong Liu, New Mexico State University
Abstract: A25.00009 : Performance Improvements in Wall-normal Momentum Injection with Axisymmetric Dielectric Barrier Discharge Plasma Actuators*
9:44 AM–9:57 AM
Presenter:
Benjamin Price
(University of Washington)
Authors:
Benjamin Price
(University of Washington)
Anthony Tang
(University of Washington)
Nicholas Kirschbaum
(University of Washington)
Igor Novosselov
(University of Washington)
We further examine the electro-mechanical characteristics of axisymmetric plasma synthetic jet actuators (APSJA’s) with improved dielectrics and larger diameters than previous studies, resulting in substantial improvements in velocity and momentum injection with comparable power consumption. We investigate entrained and injected flow behavior through experimental and numerical approaches Combined, this provides extended voltage-frequency-diameter-thrust relationships for APSJAs as well as finer intricacies including entrainment patterns, self-similarity, and jet dissipation. Combined with electrical current analysis, the APSJA is found to be an effective method of producing wall-normal momentum-injection.
*JCATI
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