DEVELOPMENT OF DISCHARGE PLASMA IN A HYDROGEN SPARK AT SMALL PD VALUES

被引:12
作者
MEYER, J
机构
[1] Department of Physics, University of British Columbia, Vancouver, BC
关键词
D O I
10.1088/0022-3727/2/2/311
中图分类号
O59 [应用物理学];
学科分类号
摘要
The development of plasma parameters in a spark discharge is studied using spectroscopic techniques. It is observed that a transition from a molecular glow discharge to a fully ionized arc channel plasma takes place in the discharge column after initiation of a radial shock wave. Finally the transition from a γion process to a cathode spot mechanism initiates an axial shock wave of Mach number M=1·38 moving through the fully ionized channel from cathode towards anode.
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页码:221 / &
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