NDLI: Study on the spark discharge plasma jet driven by nanosecond pulses

Content Provider	IEEE Xplore Digital Library
Author	Jia Min Jin Di Cui Wei Song Huimin Wu Yun
Copyright Year	2013
Description	Author affiliation: Sci. & Technol. on Plasma Dynamics Lab., Air Force Eng. Univ., Xi'an, China (Jia Min; Jin Di; Cui Wei; Song Huimin; Wu Yun)
Abstract	Plasma jet is a new type of rapid and wide-frequency aerodynamic actuator, which can significantly improve the aerodynamic characteristics of aircraft and power plant. Spark discharge plasma jet is advantageous for developing the higher pressures and jet velocities, compared to dielectric barrier discharge plasma actuator, which is very useful for supersonic flow control. In this paper, spark discharge plasma jet driven by high voltage nanosecond pulses is studied experimentally. The rotational temperature of $N_{2}(C^{3}Π_{u})$ molecule is calculated according to its rotational emission band near 380.5 nm. The vibrational temperature is calculated with the relative intensity ratios of 371.1 and 380.5 nm, the vibrational temperatures of $N_{2}$ is 4502K. Schlieren system was used for the flow visualization. Jet velocities with different discharge parameters were measured. At very beginning an obvious bow expansion wave can be observed above the head of the jet, and then a clear pulsed jet issued out from the orifice. During the spreading of jet into the air, the velocity reduced from about 93.7m/s to less than 27m/s at about 200 us. Along with the driving frequency ascending, the velocity reduced.
Sponsorship	IEEE Dielectr. Electr. Insul. Soc.
Starting Page	987
Ending Page	991
File Size	309690
Page Count	5
File Format	PDF
ISBN	9781479925971
DOI	10.1109/CEIDP.2013.6747459
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discharges (electric) Temperature measurement Plasma temperature Actuators Aerodynamics
Content Type	Text
Resource Type	Article

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