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Evolution of the electron distribution function during gas ionization by a sub-nanosecond microwave pulse of hundreds MW power

Autor: Bliokh, Y., Maksimov, V., Haim, A., Kostinskiy, A., Leopold, J., Krasik, Ya. E.

The electron velocity distribution function in the plasma, formed by gas ionization with a sub-nanosecond, hundreds of megawatts power level microwave pulse, is studied by a theoretical model and by numerical 3D simulations, the results of which agre

Externí odkaz: http://arxiv.org/abs/2411.04720

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Stationary striations in plasma, created by a short microwave pulse in a waveguide filled with a neutral gas

Autor: Bliokh, Y., Cao, Y., Maksimov, V., Haim, A., Leopold, J. G., Kostinsky, A., Krasik, Ya. E.

Publikováno v: Phys. Rev. E V.109 025208 (2024)

It was observed experimentally that after crossing a waveguide filled with a neutral gas, a short powerful microwave pulse leaves a periodic glow of plasma along the waveguide, persisting several tens of nanoseconds. A theoretical model is presented

Externí odkaz: http://arxiv.org/abs/2307.05045

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Observation of the diocotron instability in a diode with split cathode

Autor: Bliokh, Y., Krasik, Ya. E., Leopold, J. G., Schamiloglu, E.

Publikováno v: Phys. Plasmas 29, 123901 (2022)

Diocotron instability has been observed in the pure electron plasma formed in a split cathode coaxial diode. This plasma consists of electrons, trapped in the longitudinal potential well between the two parts of the cathode. The mathematical model of

Externí odkaz: http://arxiv.org/abs/2206.10450

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Squeezed State of an Electron Cloud as a 'Quasi-Neutral' One-Component Plasma

Autor: Bliokh, Y., Leopold, J. G., Krasik, Ya. E.

We present a one-dimensional model which gives a novel physical interpretation to the specific state of an ensemble of electrons continuously injected into an electrostatic potential well immersed in a strong applied magnetic field preventing radial

Externí odkaz: http://arxiv.org/abs/2103.07946

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Akademický článek

Active Torque Control for Speed Ripple Elimination: A Mechanical Perspective

Autor: Julien Croonen, Adrien Leopold J Deraes, Jarl Beckers, Wim Devesse, Omar Hegazy, Björn Verrelst

Publikováno v: Machines, Vol 12, Iss 4, p 222 (2024)

Torque fluctuations in drivetrains are the result of dynamic excitations and can be unfavorable for the lifetime of the system. Passive ripple suppression methods exist, such as torsional dampers and flywheels, which are often bulky and not always de

Externí odkaz: https://doaj.org/article/ebdc5b6e200d47d0820bd41ad95b5832