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1篇 您的检索式：作者名="D. Eichhoff"

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		题名	作者	年代	出处	被引量
	1	Investigation of a CO2 Switching Arc Using Spectroscopic Diagnostics and Computational Fluid Dynamics Simulations显示文摘A deep understanding of the physical processes coming along with the current interruption in high voltage circuit breakers is essential for the optimization of today’s switching technologies.Therefore a switching arc in a model circuit breaker is studied by means of computational fluid dynamics(CFD)simulations and optical emission spectroscopy(OES)in this contribution.Experimental investigations are performed in carbon dioxide(CO2)at absolute filling pressures of 0.1 and 0.5 MPa.CFD simulations are carried out based on a model of the arcing zone including a consistent treatment of the radiation transport and the wall ablation.Carbon ion line radiation is analysed in the experiment using an optical path in the heating channel between the electrodes inside the nozzle system.The pressure value in the arc is estimated based on the line width-intensity dependence.Obtained values correspond to the measured pressure outside the arc.For the temperature profiles,a good agreement within the accuracy of the approaches is observed between the CFD simulations and the results of OES.	D. Eichhoff P. G. Nikolic R. Kozakov G. Gott D. Uhrlandt A. Schnettler	2013	高电压技术2013，39，9：	1

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