CHANNEL EXPANSION OF TINY SPARKS (in Russian)
The expansion of the channel of sparks produced in oxygen and nitrogen (pressure up to 10 atm), deuterium (pressure up to 13 atm) and hydrogen (pressure up to 20 atm) by discharging of low inductance 30- and 6300-pF capacitors was studied by the electron optical chronography method. The maximal current build- up rate was of the order of 3.10/sup 1//sup 2/ amp/sec. The calculated peak current was 10/sup 3/ amp and the calculated current density in the spark channel reached 10/sup 8/--10/sup 9/ amp/cm/sup 2/. The initial expansion of the channel is due to the propagation of a cylindrical shock wave with a velocity up to 6- 10/ sup 6/ cm/sec in nitrogen, up to 8- 10/sup 6/ cm/sec in hydrogen and up to 7- 10/ sup 6/ cm/sec in deuterium (in the latter case the temperature of the shock wave front is approximately 8ev). In hydrogen the calculated spark channel temperature T/sub c//sub h/ approximately 22ev. (auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-018919
- OSTI ID:
- 4009103
- Journal Information:
- Zhur. Eksptl'. i Teoret. Fiz., Journal Name: Zhur. Eksptl'. i Teoret. Fiz. Vol. Vol: 40
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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