Optical emission spectroscopy of atmospheric-pressure non-equilibrium plasma with mist injection
Source abstract
Abstract
This paper describes optical emission spectroscopic diagnostics of atmospheric-pressure non-equilibrium plasma with mist injection. Electron number densities and gas temperatures are estimated from Hβ (486 nm) and OH (309 nm) spectra to be on the order of 1015 cm-3 and 440–540 K, respectively, for the conditions tested in this study. Comparison of the rotational temperatures of N2 and OH indicates that two-temperature analysis of OH rotational spectra provides gas temperature even with mist injection.
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Research context
OpenAlex topics: Plasma Applications and Diagnostics · Plasma Diagnostics and Applications · Laser-induced spectroscopy and plasma
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Affiliations
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo 1 , 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8561, Japan
Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University 2 , Osaka 565-0871, Japan
Funding
MEXT | Japan Society for the Promotion of Science
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