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Statistical descrip...
Statistical description of turbulent transport for flux driven toroidal plasmas
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- Anderson, Johan, 1973 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Imadera, K. (författare)
- Kyoto University
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- Kishimoto, Y. (författare)
- Kyoto University
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visa fler...
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- Li, Jianqiang, 1983 (författare)
- Southwestern Institute of Physics China
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- Nordman, Hans, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa färre...
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(creator_code:org_t)
- 2017-04-19
- 2017
- Engelska.
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Ingår i: Nuclear Fusion. - : IOP Publishing. - 1741-4326 .- 0029-5515. ; 57:6, s. art. no. 066013 -
- Relaterad länk:
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http://publications.... (primary) (free)
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http://arxiv.org/pdf...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A novel methodology to analyze non-Gaussian probability distribution functions (PDFs) of intermittent turbulent transport in global full-f gyrokinetic simulations is presented. In this work, the auto-regressive integrated moving average (ARIMA) model is applied to time series data of intermittent turbulent heat transport to separate noise and oscillatory trends, allowing for the extraction of non-Gaussian features of the PDFs. It was shown that non-Gaussian tails of the PDFs from first principles based gyrokinetic simulations agree with an analytical estimation based on a two fluid model.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- tokamaks
- full-f gyrokinetics
- stochastic modelling
- heat flux
- intermittency
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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