engleski

Dynamic Discharge Arc Driver

A computer progrem using nonlinear RLC circuit analysis was developed to accurately model the electrical discharege performance of the Ames 1-MJ energy storage and arc-driver system. Solutions of circuit parameters are compared with experimental circuit data and related to shock speed measurements. Computer analysis led to the concept of Dynamic Discharge Arc Driver (DDAD) capable of increasing the range of operation of shock-driven facilities.Utilization of mass addition of the driver gas offers a unique means of improving driver performance. Mass addition acts to increase the arc resistance, which results in better electrical circuit damping with more efficient Joule heating, producing stronger shock waves. Preliminary tests resulted in an increase in shock Mach number from 34 to 39 in air at an initial pressure of 2.5 torr.

arc discharge

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