Mercier instability
WebView metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by DSpace@MIT Web16 jan. 2016 · criterion, plasma compressibility reduces the growth rate of ideal interchange instability. Including compressibility effects, robust shear-localized ideal MHD instabilities require DI 3/4, a factor of about 3 above the usual Suydam/Mercier instability criterion (DI > 1/4). PACS numbers: 52.35Py, 52.55 Dy 1 I. INTRODUCTION
Mercier instability
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WebAnterior shoulder instability is a common problem. The Latarjet procedure has been advocated as an option for the treatment of anteroinferior shoulder instability. WebThe ITER electron cyclotron emission (ECE) diagnostic system has primary roles in providing measurements of the core electron temperature profile and the electron temperature fluctuation associated...
WebThe kinetic effects on the ideal ballooning and interchange/Mercier modes are studied in model equilibria for an L52 heliotron, large helical device ~LHD!@A. Iiyoshi et al., Nucl. … Web1 jun. 1999 · A recent numerical study has found that, contrary to conventional theoretical and experimental expectations, reversed shear plasmas are unstable primarily because …
WebMercier instability. As a result, the localized fluctuations in C-Mod can be attributed to a FLR modi ed kinetic Mercier instability. 1. Introduction During a recent experimental … Webextended Mercier’s criterion to helically invariant systems. Prior to this the Princeton Interchange instabilities in ideal hydromagnetic theory 73 1 work utilizing the expansion technique was generalized to treat situations in which the lowest-order equilibrium was two-dimensional (JOHNSON and GREENE, 1961).
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WebToestimatebetalimitsagainstglobalexternalkinkmodes,thepressuregradientwaslowered both in the plasma core (that is consistent with Mercier instability of the negative triangularity plasma in the absence of shear due to the lack of magnetic well) and in the pedestal (in order to decouple from the edge stability details). motel one münchen petra kelly straße 4Webthe Mercier and ballooning localized stability criteria. The Heliac concept was revived in the early 1980s because of computational studies in the limit of helical symmetry which … motel one munich parkstadt schwabingWeb1 mei 2015 · This is verified even in the cases where global n = 1 modes are unstable. Therefore, the 3-D Mercier criterion is a useful guide in mapping the ideal stability beta limits for these torsatron ... mining in united statesWebThe first experimental results obtained on plasma confined in a toroidal heliac are reported. A simple method of generating highly ionized, weakly collisional plasma is described. It is found that the geometry of the plasma in general and the measured pressure profiles in particular conform closely with the calculated helical axis magnetic surfaces. motel one nuremberg hauptbahnhofWebElimination of current sheets at resonances in three-dimensional toroidal ideal-mhd equilibria M.I.Mikhailov1, J.Nuhren berg2, and R.Zille3 1 National Research Centre "Kurchatov Institute", Moscow, Russia 2 Max-Planck-Institut fur Plasmaphysik, Wendelsteinstr. 1, 17491 Greifswald, Germany 3 Max-Planck-Institut fur Plasmaphysik, Boltzmannstr. 2, 85748 … motel one newcastle upon tyne wifiWeb31 dec. 1996 · Abstract The ideal MHD Mercier criterion for the stability of localized interchange modes is easily violated by modest pressure gradients in the central region of a Tokamak plasma where the magnetic winding index q drops below unity. However, kinetic effects can substantially modify this criterion, allowing for stable peaked pressure profiles. mining investment companies in south africaWeb1 dec. 2000 · When kinetic effects were added, the ideal Mercier mode was finite ion Larmor radius stabilized. However, ion Landau damping was found to be strong enough … mining in tucson az