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Assessment of Plasma Actuator Technologies for Internal Flows

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Applied Vehicle Technology

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Drag Reduction, Internal Flows, Plasma Actuator


This Task Group builds up on the work of AVT-190 on “Plasma Based Flow Control for Performance and Control of Military Vehicles”. Plasma based Flow Control (PFC) is a disruptive technology to improve NATO air and sea vehicle performance, stability and control. Variety of plasma generation methods have been investigated during AVT-190 that include Dielectric Barrier Discharge (DBD), Direct Current (DC) and High Frequency (HF) discharge, and laser and microwave discharges. PFC is applicable to subsonic, supersonic and hypersonic vehicles. Specifically in AVT-190, detailed validation and standardization of computational methods with a common experimental database was performed for the potential fluids, speed, and altitude applications of PFC. As a follow on, we will focus on standardization of internal flows using sustainable plasma actuator technologies. These results will allow ability to accurately predict plasma actuated force and moment changes on air and sea vehicles using combined Computational Fluid Dynamics (CFD), Computational Magneto Gas- and Hydrodynamics (CMGD and CMHD) that could help revolutionize vehicle configuration design, performance, stability and control for NATO sea and air vehicles. STO is uniquely qualified to organize a multi-national NATO effort to standardize plasma actuated internal flows for evaluating broad class of PFC. An STO Task Group will establish a coherent multi-national effort to establish a common experimental database, define specific evaluation criteria, assess current predictive capabilities and encourage further development of new control methods for PFC internal flows.


Establish a common database of plasma actuated internal flows using for example 1) Dielectric Barrier Discharge driven channel flows, 2) Direct Current and High Frequency surface discharge based channel flows. 3) Understanding the effect of plasma actuation on various internal flows. Define a matrix of test cases within the experimental database for standardization of sustainable plasma actuator technologies. Establish a multi-national team of participants to compute the test cases. Evaluate the results of the computations to identify modeling strengths and weaknesses.


Sustainable Plasma Actuator Technologies for Internal Flows Standardization Inlets, nozzles, internal flows, noise, combustion (engine restart high speed low pressure). Drag reduction using plasma technology

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