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Showing 1 to 2 of 2 for “"ion acoustic turbulence"”.
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An investigation of the statistical properties of ion acoustic turbulence
The statistical properties of ion acoustic turbulence in a helium DC discharge are investigated by means of the first order probability density function of the fluctuating potential as detected by a Langmuir probe. Measurements are reported for several pressures in the range of 0.050 to 0.200 torr. …
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Operation Mode Transitions in a Heaterless Hollow Cathode
Hollow cathodes are used to neutralize ions in electric propulsion systems, and are a lifetime-limiting component due to the presence of high-energy ions generated in the plasma plume. These ions impact the cathode's keeper electrode destroying it over a period of tens of thousands of hours. The …