LIF Observation of Ground-State OH Radicals in DC Nozzle-to-Plane Positive Streamer Corona
-
M. Kocik
,
J. Mizeraczyk
Abstract
In this study, the planar LIF detection of the hydroxyl (OH) radicals was performed in a nozzle-to-plane electrode system having an electrode gap of 30 mm during the steady-state positive streamer corona discharge at atmospheric pressure. For monitoring the ground-state OH radicals, OH transition at 282 nm was used. The two-dimensional OH distribution in the DC corona discharge in air/H2O/Ar mixture was measured. The time relationship between the regular streamer coronas, laser pulse, OH fluorescence and laser-induced streamer was measured. The time course of OH radicals between the successive streamers was measured for the evaluation of OH dynamics during the steady-state positive streamer corona discharge. The two-dimensional OH distribution in the DC corona discharge was observed. The obtained results showed that the ground-state OH radical were generated mainly in the filamentary part of the streamers. It was found that LIF detectable amount of ground-state OH radicals stayed in the region where streamers propagate during the steady-state DC positive streamer coronas.
© 2016 by Walter de Gruyter Berlin/Boston
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Artikel in diesem Heft
- Preface
- Power Supply Systems of Ozone Generators with Magnetic Frequency Multipliers
- Simultaneous Decomposition of Diesel Particulate Material and NOx Using Dielectric Barrier Discharge
- Phenol Oxidation in Aqueous Solution by Gas Phase Corona Discharge
- LIF Observation of Ground-State OH Radicals in DC Nozzle-to-Plane Positive Streamer Corona
- Measurement of Low Gas Concentration Using Photonic Bandgap Fiber
- A Study on a Diode-Bridge Type Differential Capacitance Detection Circuit
- Microwave Reactor for Nitrous Oxide Processing
- Volume-Surface Discharge as an Ion Source for Plasma Technologies
- Development of Agricultural Soil Sterilization Using Ozone Generated by High Frequency Dielectric Barrier Discharge
- Modeling of the Temperature Distribution in Arc Discharge Plasma Reactor
- Arc Plasma Reactor Power System with 5-Limb Transformer
- Discharge Plasma Characteristics in Pure Ar Gas at Multi-Atmospheric Pressure Using the Automatically Pre-Ionized Plasma Electrode
- A New Type of Reactor with a Combination of Surface Discharge and Advanced Oxidation Process in Air and its Applications
- Study of a Wide Area Carbon Nanotubes Preparation for an Environmental Application
- Research on Waste Water Purification by Ozone Treatment and Pulsed Discharge Treatment
- Energetic of the Oxidation of NOx by Ozone Using a Simple Molecular Model in a Computational Chemistry Scheme
- Analysis of Acoustic Signal in the MICRO Discharges Using Continuous Wavelet Transform
- Plasma-catalytic Conversion of Methane by DBD and Gliding Discharges
- Investigation of Hot Gas Mixture Free Jet
- Piezoelectrical Properties of Plasma Layers Zn-Bi-O
- Modification of Polymer Surfaces Using Atmospheric Pressure Barrier Discharges
- Influence of Silicon, Oxygen and Nitrogen Admixtures Upon the Properties of Plasma Deposited Amorphous Diamond-Like Carbon Coatings
- Thin Films Deposited from Trimethylmethoxysilane
