2010
DOI: 10.1063/1.3389188
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Effect of configuration and dimensions of reactor electrodes on electrical and optical corona discharge characteristics

Abstract: An experimental parametric study is made to investigate how the electrical corona discharge characteristics are influenced by the geometrical configuration and dimensions of the reactor and the electrode polarity of the applied voltage. Furthermore, features of the corona discharge plasma formed around the stressed electrode in some different gases are recorded photographically to provide more information on the physical mechanisms of the corona discharge in the investigated gases. The obtained results have be… Show more

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Cited by 13 publications
(4 citation statements)
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“…[1][2][3] Different from the negative dc corona discharge in air around a cylindrical electrode, the positive dc corona discharge distributes more evenly through visual observation. [4][5][6] Above a critical voltage level, a stable corona plasma layer around the cylindrical electrode and a broad ion flow region outside will be formed.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3] Different from the negative dc corona discharge in air around a cylindrical electrode, the positive dc corona discharge distributes more evenly through visual observation. [4][5][6] Above a critical voltage level, a stable corona plasma layer around the cylindrical electrode and a broad ion flow region outside will be formed.…”
Section: Introductionmentioning
confidence: 99%
“…When high voltage pulses are applied to the plasma reactor, a strong electromagnetic field is produced, which is capable of generating single-barrier nanosecond discharge. When barrier discharge takes place, it leads to the generation of O and N radicals, initially resulting in oxidation process of NO molecules present in the exhaust [4,15] as shown in the following equations: These two equations represent NO to NO 2 conversion reactions. NO reacts with O and O 3 to form NO 2 and lead to decrease in the concentration of NO and simultaneous increase in the concentration of NO 2 .…”
Section: Resultsmentioning
confidence: 99%
“…When high voltage pulses are applied to the plasma reactor, a strong electromagnetic field is produced, which is capable of generating single‐barrier nanosecond discharge. When barrier discharge takes place, it leads to the generation of O and N radicals, initially resulting in oxidation process of NO molecules present in the exhaust [4, 15] as shown in the following equations: NO+Ofalse→NnormalO2;1emk=1.4×1012thinmathspacecnormalm3/s NO+normalO3false→NnormalO2+normalO2;1emk=1.8×1014thinmathspacecnormalm3/s…”
Section: Resultsmentioning
confidence: 99%
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