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Determination of Energy of a Pulsed Dielectric Barrier Discharge and Method for Increasing Its Efficiency
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- Bozhko, Igor (author)
- National Academy of Sciences in Ukraine
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- Serdyuk, Yuriy, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 2017
- 2017
- English.
- In: IEEE Transactions on Plasma Science. - 0093-3813 .- 1939-9375. ; 45:12, s. 3064-3069
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A methodology for accurate determination of energy released in a unipolar impulse dielectric barrier discharge is proposed and verified utilizing experimental data. In theexperiments, the discharge was initiated in air under atmospheric pressure in a coaxial chamber with glass dielectric barrier located on the cathode by applying voltage pulses with the slew rate of ∼3e11 V/s. It is shown that the energy released in the discharge is defined by the charge accumulated on the dielectric barrier before application of a successive voltage pulse and the magnitude of the remaining barrier voltage is dependent on many factors, in particular, repetition frequency of the discharge pulses, conditions and material of the barrier, impedance of the external electrical circuit, etc. It is demonstrated that the effective discharging of the barrier can be achieved by introducing a magnetic switch, which is essentially a nonlinear inductance connected in parallel to the discharge gap. The use of the switch allows for increasing the discharge efficiency in ∼30% and provides a way for correct evaluations of its energy.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- utilization factor
- Dielectric barrier discharge (DBD)
- equivalent circuit
- ozone generation
- magnetic switch
Publication and Content Type
- art (subject category)
- ref (subject category)
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