[PDF] Top 20 Experimental Study of Drift Wave Turbulence in Linear Plasmas

... Linear plasmas allow multi-point, low-temperature measurements with Langmuir ...Device-Upgrade linear plasma using a poloidal Langmuir probe ...sine wave to a turbulent waveform through a ... See full document

... of experimental observations of the interaction between mesoscale structures (such as zonal flows and geodesic acoustic modes) and micro-scale struc- tures (such as drift wave turbulence), see ... See full document

... section, experimental results using the JFT- 2M tokamak [23] with the diverter configurations are pre- ...heated plasmas and the low-confinement mode plasmas (L-mode), coherent potential fluctuations ... See full document

... edge turbulence [3] [6]. Yet, there is still a need for experimental data to validate the simulation tools and reach predictive capabilities for ITER and ... See full document

... 1 drift mode within the turbulent fluctuations most likely as a result of an inverse energy cascade ...of drift wave turbulence in linear magnetic geometry and has been suggested to be ... See full document

... this study, we focus on the statistical properties of the link between fluctuations of physical variables and their fluxes, and interference between ...of drift wave turbulence in a cylindri- ... See full document

... The study of zonal flow constitutes an important part in the venture for achieving a controlled fusion reactor because of its role in mitigating turbulent ...from drift waves, with the growth rate of zonal ... See full document

... mode turbulence study in a magnetized plasma involves in- compressible electrons and immobile ...mode turbulence there results a dual cascade primarily due to the forward spectral migration of energy ... See full document

... of drift wave turbulence is investigated using a set of 4-field RMHD equations, where the fluctuating ion parallel flow and neoclassical ion viscosity are taken into account [1, ...of drift ... See full document

... Turbulent Plasmas.” In this focused study, we have developed a new view of plasma turbulence as being nonlinear, nonlocal, and statis- ...being linear, lo- cal, and ...assumed linear ... See full document

... While wave turbulence deals with the spectrum of weakly nonlinear waves, there is a general consensus that the theory must be further developed to include the co-existence of coherent structures such as ... See full document

... pressing turbulence at transport barriers, as the initial the- ories for the H-mode suggested ...the experimental examination of a forced tran- sition to the H-mode using an externally biased electrode ... See full document

... stated as follows. At suff i c i e n t l y high Reynolds number the turbulence is made up of a hierarchy of eddies. It is assumed that there is a transfer of energy from larger to smaller eddies in the same way as ... See full document

... dense plasmas, the electrons are highly degenerate and quantum mechanical effects ...electron wave function) play an essential role at ...[18] wave energies at nanoscales in dense quantum ...fluid ... See full document

... to wave numbers (weakly turbulent spectrum), and also from the ensembles of the vortex structures ...other. Experimental magnetospheric observation (Sahraoui et ...weak turbulence (Horton, ...of ... See full document

... This solution is plotted in Fig.3. It describes a situation in which all of the energy is in mode p at t = −∞ with modes q and r infinitessimally small. The latter two grow exponentially by absorbing energy from mode p. ... See full document

... of turbulence in the solar wind and the in- terstellar medium reveal the presence of density variations (Armstrong et ...weak turbulence. Here, we would like to emphasise that weak turbulence has to ... See full document

... continuum wave number spectrum (weakly turbulent part) and also the ensemble of the vortex structures consid- ered in ...weak turbulence (Horton, 1985, ...of turbulence (we will partially consider ... See full document

... Finally , it is interesting to note that , as the input po•rer is lowered sufficiently so that the spectrum of the echo near the cyclotron r esonance is not double-peaked any more th e p[r] ... See full document

... The third process which we will consider is the p-model, introduced in Chapter 1. This model allows the generation of a multifractal and therefore intermittent timeseries and has been used extensively to model solar wind ... See full document