Kinetic ballooning/interchange instability in a bent plasma sheet
نویسندگان
چکیده
منابع مشابه
Instability of ion kinetic waves in a weakly ionized plasma.
The fundamental higher-order Landau plasma modes are known to be generally heavily damped. We show that these modes for the ion component in a weakly ionized plasma can be substantially modified by ion-neutral collisions and a dc electric field driving ion flow so that some of them can become unstable. This instability is expected to naturally occur in presheaths of gas discharges at sufficient...
متن کاملPrediction of Instability in Planar Anisotropic Sheet Metal Forming Processes
In this paper instability of planar anisotropic sheet metal during a few forming processes is investigated for the first time. For this reason components of the constitutive tangent tensor for planar anisotropic sheets are developed. By using the above tensor location of necking is predicted. Direction of the shear band is also predicted using the acoustic tensor. A finite element program is pr...
متن کاملMagnetic field generation in a jet-sheath plasma via the kinetic Kelvin-Helmholtz instability
We have investigated the generation of magnetic fields associated with velocity shear between an unmagnetized relativistic jet and an unmagnetized sheath plasma. We have examined the strong magnetic fields generated by kinetic shear (Kelvin–Helmholtz) instabilities. Compared to the previous studies using counter-streaming performed by Alves et al. (2012), the structure of the kinetic K lvin– He...
متن کاملplastic instability in equibiaxial deformation of sheet metals
plastic instability which results in the localization and failure of sheet metals has been studied in equibiaxial stretching of commercial purity aluminium sheet. attention was focussed on two main industrial conditions of the material. these were representative of the materials that could be processed by the commercial batchannealing process (slow heating, long time) or by a continuous anneali...
متن کاملUW-CPTC 08-11 Initiation of ballooning instability by reconnection in the near-Earth plasma sheet
In this work, an alternative scenario for the substorm onset process is proposed, based on ideal ballooning stability analysis of the near-Earth plasma sheet during the March 23, 2007 THEMIS substorm event. In this scenario, the ballooning instability is initiated by the magnetic reconnection in the near-Earth plasma sheet, which in turn directly contributes to the trigger of a full onset. Usin...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Geophysical Research: Space Physics
سال: 2012
ISSN: 0148-0227
DOI: 10.1029/2011ja017496