6533b835fe1ef96bd129ea12

RESEARCH PRODUCT

Determination of gas temperature of high-frequency low-temperature electrodeless plasma using molecular spectra of hydrogen and hydroxyl-radical

Zanda GavareV. FyodorovG. RevaldeAnda SvagereM. Zinge

subject

RadiationMaterials scienceHydrogenAnalytical chemistrychemistry.chemical_elementRotational temperaturePlasmaChemical reactionAtomic and Molecular Physics and OpticsSpectral linechemistry.chemical_compoundchemistryHydroxyl radicalPlasma diagnosticsAtomic physicsSpectroscopyIntensity (heat transfer)

description

Abstract In this study we determine gas temperature of He+H 2 , Ar+H 2 and Ne+H 2 high frequency electrodeless lamps using intensity distribution in rotational spectra of hydrogen molecule and hydroxyl radical. The measurement results show that OH rotational spectra can be successfully used for estimation of gas temperature of the high-frequency electrodeless lamps at very small amounts of hydrogen present in plasma. The analysis of the measurement results leads to the conclusion that in “pure” plasma the applied energy is used to heat plasma, while for the plasma with hydrogen addition the energy is used in chemical reactions.

yearjournalcountryeditionlanguage
2012-09-01Journal of Quantitative Spectroscopy and Radiative Transfer
https://doi.org/10.1016/j.jqsrt.2012.04.022