Abstract
The transient processes associated with the interaction of a Bunsen flame and nanosecond pulsed discharges (NPD) are explored experimentally with two optical methods. A nanosecond-gated schlieren system is employed to image the shockwave propagation and the hydrodynamic response of the flame to NPD while the time-resolved optical emission spectroscopy measurements are carried out to determine active species and temperature in the plasma region created by the discharges. Therefore, the unsteady process of the interaction of the flame with the discharges is recorded in real-time by the combined measurements. Numbers of experimental evidences for understanding the dynamics of non-equilibrium plasma produced by NPD and performing further numerical simulation are offered.
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Acknowledgments
The work is partially supported by National Science Foundation of China (Grant Nos. 11102215 and 91216101). The authors acknowledge the technical assistance provided by S. Z. Zhang at the Institute of Mechanics, Chinese Academy of Sciences.
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Zhang, S., Yu, X., Xiong, H. et al. Experimental Study of the Transient Response of Bunsen Flame to Nanosecond Pulsed Discharges. Plasma Chem Plasma Process 35, 1029–1042 (2015). https://doi.org/10.1007/s11090-015-9636-7
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DOI: https://doi.org/10.1007/s11090-015-9636-7