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TVT, 2015, Volume 53, Issue 5, Pages 813–816 (Mi tvt683)  

Short Communications

Combining electrodynamic and reaction acceleration in a railgun

A. D. Lebedev, G. V. Tkachenko, B. A. Uryukov

Frantsevich Institute of Materials Science Problems, National Academy of Sciences of Ukraine

Abstract: The parameters of the plasma of a high-current discharge in a restricted volume (discharge chamber) of a body moving in an electrodynamic accelerator (railgun) with plasma ejection through the nozzles are studied theoretically. A jet ejection scheme that eliminates the possibility of electric breakdown between the rails behind the body is proposed. It is demonstrated computationally that the jet efflux has a significant effect on the pressure in the discharge chamber. The reaction component of the thrust turned out to be reasonably large. At the same time, the plasma temperature in the discharge chamber and the material evaporation rate are high and may lead to destruction of the chamber.

DOI: https://doi.org/10.7868/S004036441505021X

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English version:
High Temperature, 2015, 53:5, 772–775

Bibliographic databases:

UDC: 533.9
Received: 04.06.2014

Citation: A. D. Lebedev, G. V. Tkachenko, B. A. Uryukov, “Combining electrodynamic and reaction acceleration in a railgun”, TVT, 53:5 (2015), 813–816; High Temperature, 53:5 (2015), 772–775

Citation in format AMSBIB
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