Theoretical Aspects of Dust in Fusion Devices

Krasheninnikov, S. I.; Pigarov, A. Yu.; Smirnov, R.D.; Soboleva, T. K.

doi:10.1002/ctpp.201010067

Cited by 24 publications

(20 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Second, a particle can be driven by a phoretic force, e.g., the photophoretic force from the illumination laser [9,10]. Third, as a rather extreme case, a particle can be propelled by the "rocket force" due to the ablation and removal of the particle material by a powerful laser irradiation [11,12].…”

Section: Introductionmentioning

confidence: 99%

Active Janus particles in a complex plasma

Nosenko

Luoni

Kaouk

et al. 2020

Phys. Rev. Research

View full text Add to dashboard Cite

Active Janus particles suspended in a plasma were studied experimentally. The Janus particles were micronsize plastic microspheres, one half of which was coated with a thin layer of platinum. They were suspended in the plasma sheath of a radio-frequency discharge in argon at low pressure. The Janus particles moved in characteristic looped trajectories, suggesting a combination of spinning and circling motion; their interactions led to the emergence of rich dynamics characterized by non-Maxwellian velocity distribution. The particle propulsion mechanism is discussed, the force driving the particle motion is identified as photophoretic force.

show abstract

Section: Introductionmentioning

confidence: 99%

Active Janus particles in a complex plasma

Nosenko

Luoni

Kaouk

et al. 2020

Phys. Rev. Research

View full text Add to dashboard Cite

show abstract

“…by brittle destruction of carbon layers, by melting of surfaces or by desintegration of surface layers, see e.g. (Winter and Gebauer 1999;Sharpe et al 2002;Krasheninnikov et al 2010). Dust particles can then cover optics and diagnostics.…”

Section: Summary and Open Issuesmentioning

confidence: 99%

Physics of magnetized dusty plasmas

Melzer¹,

Krüger²,

Maier³

et al. 2021

Rev. Mod. Plasma Phys.

View full text Add to dashboard Cite

In this review, we summarize recent advances in the field of dusty plasmas at strong magnetic fields. Special emphasis is put on situations where experimental laboratory observations are available. These generally comprise dusty plasmas with magnetized electrons and ions, but unmagnetized dust. The fundamental parameters characterizing a magnetized (dusty) plasma are given and various effects in dusty plasmas under magnetic fields are presented. As examples, the reaction of the dust component to magnetic-field modified plasma properties, such as filamentation, imposed structures, dust rotation, nanodusty plasmas and the resulting forces on the dust are discussed. Further, the behavior of the dust charge is described and shown to be relatively unaffected by magnetic fields. Wake field formation in magnetized discharges is illustrated: the strength of the wake field is found to be reduced with increased magnetic field. The propagation of dust acoustic waves in magnetized dusty plasmas is experimentally measured and analyzed indicating that the wave dynamics are not heavily influenced by the magnetic field. Only at the highest fields ($$B> 1$$ B > 1 T) the wave activity is found to be reduced. Moreover, it is discussed how dust-cyclotron waves might be used to indicate a magnetized dust component. Finally, implications of a magnetized dusty plasma are illustrated.

show abstract

“…The analysis of the magnitude of the 'rocket' force [25] shows that it can be very important for the compound grain consisting of the pieces of different materials (especially having very different evaporation energy). However, for the case of a homogeneous grain the friction force with Mach ∼1 plasma flow dominates.…”

Section: 23mentioning

confidence: 99%