نتایج جستجو برای: plasma fluctuation

تعداد نتایج: 380269  

2000
Daniel F. Litim Cristina Manuel

We consider a transport equation of the Boltzmann-Langevin type for non-Abelian plasmas close to equilibrium to derive the spectral functions of the underlying microscopic fluctuations from the entropy. The correlator of the stochastic source is obtained from the dissipative processes in the plasma. This approach, based on classical transport theory, exploits the well-known link between a linea...

Journal: :Physical review letters 2001
G Y Antar S I Krasheninnikov P Devynck R P Doerner E M Hollmann J A Boedo S C Luckhardt R W Conn

Probe measurements in the PISCES linear device indicate the presence of plasma radially far from where it is produced. We show that this is mainly caused by large-scale structures of plasma with high radial velocity. Data from the Tore Supra tokamak show striking similarities in the shape of these intermittent events as well as the fluctuation density probability distribution and frequency spec...

2012
P. G. Carolan N. J. Conway A. R. Field P. B. Jones H. F. Meyer

Related Articles Development of multi-channel Doppler spectroscopic measurement system using 8 × 8 multianode photomultiplier tube assembly Rev. Sci. Instrum. 83, 083103 (2012) Electron density and temperature profile diagnostics for C-2 field reversed configuration plasmas Rev. Sci. Instrum. 83, 10E339 (2012) Analysis of edge density fluctuation measured by trial KSTAR beam emission spectrosco...

Journal: :Journal of physics 2023

Abstract To clarify the effect of pulsed plasma on scramjet combustor and find best area in cavity, effects pressure distribution, velocity transverse jet cross-sectional area, turbulent kinetic energy total loss were analyzed at different position areas when discharge frequency was 8 kHz under condition incoming flow Ma=1.7 cold flow. The results show that is slightly stronger than constant pl...

Journal: :Epj Web of Conferences 2023

EDA H-mode is an ELM-free regime in which the edge quasi-coherent mode (QCM) replaces ELMs. The estimated location of a partly optically thin region steep gradients localized between ρ pol = 0.96 -1. Relative fluctuations radiation temperature 15 and 80 kHz are about 7% with significant density contribution. In electron cyclotron emission (ECE) channels resonances plasma core, same frequency as...

Journal: :Plasma and Fusion Research 2021

To achieve a steady-state fusion burning plasma, energetic particle confinement studies have been performed in devices. Deuterium plasma experiments the Large Helical Device starting from March 2017 expanded ion study toward helical-type reactor. conduct this study, integrated neutron diagnostics, such as wide dynamic range flux monitor composed of three sets detectors, activation system with t...

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