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Teplofizika vysokikh temperatur, 2014, Volume 52, Issue 3, paper published in the English version journal
(Mi tvt1259)
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This article is cited in 25 scientific papers (total in 25 papers)
Papers published in the English version of the journal
Plasma Investigations
Spectroscopy of Microwave Discharge in Liquid C7–C16 Hydrocarbons
Yu. A. Lebedev, I. L. Epshtein, V. A. Shakhatov, E. V. Yusupova, V. S. Konstantinov A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow
Abstract:
Emission spectra of in-liquid microwave plasma in C7–C16 hydrocarbons were studied in the
range of wavelengths from $200$ to $800$ nm. It was shown that spectra are similar for all studied hydrocarbons. Swan-bands only were observed in the plasma emission. Model of Swan-bands emission was designed for experimental spectra processing. Rotational and vibrational temperatures determined from sequences with $v = –1$, $0$, $+1$ of $\text{C}+2$-bands were $1600 \pm 200$ K and $7000 \pm 2000$ K correspondingly. Addition of $\text{Ar}$ in the plasma decreased the rotational up to $700$ K but did not change the vibrational temperature. It was shown that studied in-liquid microwave plasma is non-equilibrium. Results of electrodynamic modeling of microwave discharge apparatus and some information on the solid phase generated in hydrocarbon plasma processing were presented.
Received: 09.01.2014
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