Magnetic shear
Effect of Rotational Transform and Magnetic Shear on Confinement of Stellarators
... its shear on the confining properties of low shear ...the magnetic shear a plausible cause for the di ff ...small shear values are enough to avoid deletereous e ff ects of the low order ...
8
On the theory of translationally invariant magnetohydrodynamic equilibria with anisotropic pressure and magnetic shear
... the shear component of the magnetic field (also referred to as a guide field) and the anisotropy parameter (basically the difference between the parallel and perpendicular pressure), leading to, for ...
15
Extension of Numerical Matching Method to Weakly Nonlinear Evolution of Resistive MHD Modes
... of magnetic island evolution in normal mag- netic shear plasmas as well as for the reversed magnetic shear plasmas to which the Rutherford theory does not ap- ...normal magnetic ...
9
Nonlinear ballooning modes in tokamaks : stability and saturation
... and magnetic shear ...low magnetic shear, these finitely displaced states can have a lower energy than the equilibrium state even if the profile is linearly stable to ballooning modes ...
31
MHD flows at astropauses and in astrotails
... from magnetic reconnec- tion in the ...the magnetic shear generated by magnetic shear flows across the heliopause ...we shear here the magnetic field only in z ...
10
Solar wind magnetosphere ionosphere interactions in the earth's plasma environment
... ‘FTE’ bursts of reconnection, which are thus envisaged to propagate wave-like on the magnetopause from near noon to the magnetospheric flanks over intervals of ~10 min or more. The UV aurora is excited by the ...
21
Mode Purity of Electron Cyclotron Waves after Their Passage through the Peripheral Plasma in the Large Helical Device
... Plasma heating and current drive with Electron Cyclotron Waves (ECWs) require precise control over the polarization state of ECWs to ensure that the entire input power is deposited where intended. However, due to the ...
5
First Demonstration of Rotational Transform Control by Electron Cyclotron Current Drive in Large Helical Device
... and magnetic field structures such as ro- tational transform and magnetic shear profiles in ...the magnetic field con- figuration and incident wave parameters were optimized using the ...and ...
6
Shear Formation by a Poloidal Chain of Magnetic Islands
... promote a steep radial distribution of the plasma density and ITB formation. The amplitude of the vortex satura- tion is inversely proportional to the shear. They also pro- mote ITB formation, suppressing the ...
5
Experimental Study on Slowing-Down Mechanism of Locked-Mode-Like Instability in LHD
... low magnetic shear. To achieve low magnetic shear, the magnetic configuration is set at a high aspect ra- tio, and the toroidal plasma current in the co-direction is driven by ...
7
Current-Driven Kink Instability in Magnetically Dominated Rotating Relativistic Jet
... velocity shear surface on the linear and non-linear development of CD kink instability of force- free helical magnetic equilibria in 3D and found that he- lically distorted density structure propagates ...
6
On the predominance of oblique disturbances in the supersonic shear flow instability of the geomagnetic tail boundary
... The shear flow instability at the magnetospheric boundary is known in the geophysical literature as the Kelvin-Helmholtz instability (K-HI). This instability is considered as the key excitation mechanism for ...
11
Shercliff layers in strongly magnetic cylindrical Taylor-Couette flow
... free shear layers that can occur in the flow of an electrically conducting fluid when a sufficiently strong magnetic field is externally imposed ...the magnetic field ...
17
Radiation from accelerated particles in relativistic jets with shocks, shear-flow, and reconnection
... We have calculated the radiation spectra directly from our simulations by integrating the expression for the re- tarded power, derived from Liénard-Wiechert potentials for a large number of representative particles in ...
6
Application of Magnetic Survey in the Investigation of Iron Ore Deposits and Shear Zone Delineation: Case Study of Mutomo Ikutha Area, SE Kenya
... intensity magnetic field measurements were carried out with MP2 SCINTREX proton precession magne- tometer made by Scintrex Company of Canada with one nanoTesla (nT) sensitivity (Figure ...measurements. ...
12
The Magnetorheological Finishing (MRF) of Potassium Dihydrogen Phosphate (KDP) Crystal with Fe3O4 Nanoparticles
... Arrasmith et al. has reported that nonaqueous magne- torheological fluid which was composed of CIPs, nano- diamonds, and dicarboxylic ester could successfully polish a previously diamond-turned KDP to remove all turning ...
7
Elastic and anelastic relaxation behaviour of perovskite multiferroics II : PbZr0 53Ti0 47O3 (PZT)–PbFe0 5Ta0 5O3 (PFT)
... of magnetic moment as measured in a field of ...c Magnetic moment data (SQUID 1) showing some divergence between FC and ZFC conditions at all temperatures, but increasing in particular below *170 K where ...
20
Preparation of Magnetorheological Greases and Study Their Rheological Characteristics Considering the Variety of Factors
... external magnetic field and returns to their original fluid-like state with the absence of an external magnetic ...the magnetic particles form chain or cluster structures that change rheological ...
5
Comparison of 2D and 3D calculation of left ventricular torsion as circumferential longitudinal shear angle using cardiovascular magnetic resonance tagging
... here shown for torsion between base and apex, where D is the distance between the slices and r the radius, calculated from the average pixel location inside the contours. In this way, the torsion can be interpreted as ...
7
Improved Nonlinear Solvers in BOUT++
... Analytic reduction of the full problem, employing asymptotic expansions in small parameters such as the ratio of the Larmor radius to machine size, has been successfully used for many years (see, e.g., [10] and ...
15