DIFFER
DIFFER Publication
Author | |
Abstract |
Rotational Raman scattering on the vibrational ground state of CO 2 was performed to determine the gas temperature in narrow-gap dielectric barrier discharges (DBDs). The Raman spectrometer was equipped with a straightforward spectral filtering to mask ca. 30 cm −1 (0.85 nm) centered around the excitation wavelength of 532 nm. Linearisation of the observed transitions ( J = 18–42) was applied to retrieve gas temperatures in discharge gaps of 1 mm. The DBD was operated in pure CO 2 at atmospheric pressure and non-negligible gas heating of about 160 K was observed at 33 W injected power. Based on a simplified energy balance the gas temperature measurements were extrapolated to a broad range of injected plasma power values (0–60 W). |
Year of Publication |
2015
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Journal |
Journal of Physics D: Applied Physics
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Volume |
48
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Issue |
15
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Number of Pages |
155201
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DOI |
10.1088/0022-3727/48/15/155201
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PId |
cec45cda30a8d3f0e3c3fa4be48b255a
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Alternate Journal |
J. Phys. D-Appl. Phys.
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Journal Article
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