Publication

A theoretical interpretation of the main scrape-off layer heat-flux width scaling for tokamak inner-wall limited plasmas

Paolo Ricci, Richard Pitts, Jan Horacek, Federico David Halpern
2016
Journal Articles

Abstract

The International Tokamak Physics Activity Topical Group on scrape-off layer and divertor physics has amassed a database comprising hundreds of reciprocating Langmuir probe measurements of the main scrape-off layer heat-flux width lambda(q) in inner-wall limited discharges. We have carried out an analysis, based on turbulent transport theory, of the variation of lambda(q) with respect to the dimensionless plasma parameters. Restricting our analysis to circular plasmas, we find that a model based on non-linearly saturated turbulence can well reproduce the lambda(q) values found in the database.

Official source

https://infoscience.epfl.ch/entities/publication/14cba31f-80ac-404e-858e-b831fe67dde3

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Paolo Ricci, Richard Pitts, Jan Horacek, Federico David Halpern
2016
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/14cba31f-80ac-404e-858e-b831fe67dde3

About this result

Related concepts (32)

Tokamak

A tokamak (ˈtoʊkəmæk; токамáк) is a device which uses a powerful magnetic field to confine plasma in the shape of a torus. The tokamak is one of several types of magnetic confinement devices being developed to produce controlled thermonuclear fusion power. , it was the leading candidate for a practical fusion reactor. Tokamaks were initially conceptualized in the 1950s by Soviet physicists Igor Tamm and Andrei Sakharov, inspired by a letter by Oleg Lavrentiev. The first working tokamak was attributed to the work of Natan Yavlinsky on the T-1 in 1958.

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The many-worlds interpretation (MWI) is an interpretation of quantum mechanics that asserts that the universal wavefunction is objectively real, and that there is no wave function collapse. This implies that all possible outcomes of quantum measurements are physically realized in some "world" or universe. In contrast to some other interpretations, such as the Copenhagen interpretation, the evolution of reality as a whole in MWI is rigidly deterministic and local.

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A theoretical interpretation of the main scrape-off layer heat-flux width scaling for tokamak inner-wall limited plasmas

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