期刊
APPLIED PHYSICS LETTERS
卷 99, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3641413
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资金
- Agence Nationale de la Recherche [ANR - 09-BLAN-0043]
- Erasmus Mundus Tandem Program
- Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0043] Funding Source: Agence Nationale de la Recherche (ANR)
We report on an experimental study of the hydrodynamic expansion following a nanosecond repetitively pulsed (NRP) discharge in atmospheric pressure air preheated up to 1000 K. Single-shot schlieren images starting from 50 us after the discharge were recorded to show the shock-wave propagation and the expansion of the heated gas channel. The temporal evolution of the gas temperature behind the shock-front is estimated from the measured shock-wave velocity by using the Rankine-Hugoniot relationships. The results show that a gas temperature increase of up to 1100 K can be observed 50 ns after the nanosecond pulse. (C) 2011 American Institute of Physics. [doi:10.1063/1.3641413]
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