Model Comparison in Plasma Energy Confinement Scaling

R. Preuss, V. Dose, W. Von Der Linden

Research output: Chapter in Book/Report/Conference proceedingOther chapter contributionpeer-review

Abstract

Energy confinement data of large fusion experiments have been analyzed in terms of dimensionless form free scaling functions. Several possible physical scenarios lead to different models with a certain number of degrees of freedom. These are used to set up the confinement fonction as a linear combination of dimensionless power law terms. Then one has to solve the problem, given a particular plasma model which is the optimum number of terms in the expansion, and which model is most likely in the light of the data. Based upon data containing the energy content for a wide variety of variable settings, predictions for single variable scans are made and compared to actual experiments. A very good agreement is obtained.
Original languageEnglish
Title of host publicationMaximum Entropy and Bayesian Methods Garching, Germany 1998
EditorsWolfgang von der Linden, Volker Dose, Rainer Fischer, Roland Preuss
PublisherSpringer Netherlands
Pages171-178
Number of pages8
ISBN (Print)978-94-010-5982-4 978-94-011-4710-1
Publication statusPublished - 1999

Publication series

NameFundamental Theories of Physics
PublisherSpringer Netherlands

Keywords

  • Artificial Intelligence (incl. Robotics), Coding and Information Theory, Discrete Mathematics in Computer Science, Invariant Measure, model comparison, Prior Predictive Value, Probability Theory and Stochastic Processes, Statistics, general

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