Annular arc accelerator shock tube

Details Annular arc accelerator shock tube Annular arc accelerator shock tube

1974-11-06

1976-10-05

Woodiel, Donald O.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

G01M 900

Patent

active

039837491

ABSTRACT:
An annular arc accelerator shock tube employs a cold gas driver to flow a stream of gas from an expansion section through a high voltage electrode section to a test section, thus driving a shock wave in front of it. A glow discharge detects the shock wave and actuates a trigger generator which in turn fires spark-gap switches to discharge a bank of capacitors across a centered cathode and an annular anode in tandem electrode sections as the initial shock wave passes through the anode section from the cathode section thereby depositing energy into the flow gas without the necessity of any diaphragm opening in the gas flow from the expansion section through the electrode sections.

REFERENCES:
"Development of an Annular Arc Accelerator Shock Tube Driver", Leibowitz, July 1973, pp. 679-689, of Proceedings of the Ninth International Shock Tube Symposium, Stanford University.

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