Evidence of Levy stable process in tokamak edge turbulence

Details Evidence of Levy stable process in tokamak edge turbulence Evidence of Levy stable process in tokamak edge turbulence

2001-10-17

arxiv.org/abs/physics/0110051v1

Physics

Plasma Physics

13 pages and 4 encapsulated postscript figures

Scientific paper

In an effort to understand the fundamental physics of turbulent transport of particles and heat in a tokamak, the floating potential fluctuations in the the scrape-off layer plasma of ohmically heated ADITYA tokamak are analysed for self-similarity using distribution function approach. It is observed that the distribution function of a sum of n data points converges to a Levy distribution of scale index, alpha=1.111 for n < 40 and alpha=2.0 for larger n. In both scaling ranges, the edge fluctuation is self-similar. This observation is backed by several supporting evidences. The results indicate that the small scale fluctuations transport matter and heat dominantly by convection whereas the transport due to large scale flucuations is by a diffusive process.

Affiliated with

Also associated with

No associations

Rating

Evidence of Levy stable process in tokamak edge turbulence does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Evidence of Levy stable process in tokamak edge turbulence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Evidence of Levy stable process in tokamak edge turbulence will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-347961