Interferometrische Messung der thermischen Zustandsgrößen von Edelgasstoßwellenplasmen1 / Interferometric Measurement of Thermodynamic Variables of Rare Gas Plasmas Produced by Shock Waves
Open Access
- 1 August 1973
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 28 (8) , 1294-1307
- https://doi.org/10.1515/zna-1973-0809
Abstract
The variation of electron density and neutral atom density behind incident shock waves in argon, krypton, and xenon are measured using a two wavelength laser interferometer with photoelectric detection of fringe shifts. The accuracy of the measured area densities ∫ Ne dl and ∫ Na dl is better than 1 per cent. Densities measured at the moment of maximum electron density agree well with Rankine-Hugoniot densities. There are no indications to deviations from LTE. Additionally, in the radiation cooling region the decrease of temperature is determined.Keywords
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