SHOCK WAVE PHENOMENA IN COAXIAL PLASMA GUNS
In a plasma gun (or a magnetically driven shock tube) shocks are usually obscured by a luminous front. Using a reflection technique and a pressure probe, the existence of a shock wave is confirmed experimentally. For weak shocks the luminous front lags definitely behind the shock front. For strong shocks there is an indication that the two fronts might coincide. The reflection technique also indicates the presence of a possible relaxation process. Since the amount of energy loss to the wall is not certain at present, no attempt is made to inquire further in the detail of the process. A simple analytical model is formulated, from which the shock speed is related to the discharge conditions. Some of the analytical results are compared with those obtained experimentally. (auth)
- Research Organization:
- Royal Inst. of Tech., Stockholm
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-030140
- OSTI ID:
- 4841447
- Journal Information:
- Physics of Fluids (U.S.), Journal Name: Physics of Fluids (U.S.) Vol. Vol: 4; ISSN PFLDA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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