2016
On spatial stabilization of dielectric barrier discharge microfilaments by residual heat build-up in air
RÁHEĽ, Jozef; Zsolt SZALAY; Jan ČECH and Tomáš MORÁVEKBasic information
Original name
On spatial stabilization of dielectric barrier discharge microfilaments by residual heat build-up in air
Authors
RÁHEĽ, Jozef (703 Slovakia, guarantor, belonging to the institution); Zsolt SZALAY (703 Slovakia); Jan ČECH (203 Czech Republic, belonging to the institution) and Tomáš MORÁVEK (703 Slovakia, belonging to the institution)
Edition
The European Physical Journal D, 2016, 1434-6060
Other information
Language
English
Type of outcome
Article in a journal
Field of Study
10305 Fluids and plasma physics
Country of publisher
United States of America
Confidentiality degree
is not subject to a state or trade secret
References:
Impact factor
Impact factor: 1.288
RIV identification code
RIV/00216224:14310/16:00087883
Organization unit
Faculty of Science
UT WoS
000374846100005
EID Scopus
2-s2.0-84964434775
Keywords in English
DBD; coplanar DBD; residual heat buid up
Changed: 21/3/2019 16:20, doc. RNDr. Jozef Ráheľ, PhD.
Abstract
In the original language
Microfilaments of dielectric barrier discharge are known for their multiple re-appearance at the same spot on dielectrics. This effect of localized re-appearance is driven by residual excited species and ions, surface charge deposited on the dielectric and the local temperature build-up resulting in the local increase of reduced electric field E/delta N. To assess the magnitude of the latter, the breakdown voltage vs. temperature up to 180 C was carefully measured at coplanar DBD and used as an input into the numerical simulation of heat build-up by the train of discharge pulses. An average reduction of breakdown voltage was found to be 20 V/K. The model predicted a quasi-stable microfilament temperature into which the thermal build-up rapidly converges. Its magnitude agreed well with the reported rotational temperature of similar electrode configuration. The impact of quasi-stable temperature on microfilament formation dynamics is further discussed.
Links
ED2.1.00/03.0086, research and development project |
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GA13-24635S, research and development project |
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LO1411, research and development project |
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