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2003•AIP conference proceedingsRequires access

Toroidal Rotation in ECH H-modes in DIII-D

J.S. deGrassie

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Abstract

In ECH H‐mode discharges with essentially no toroidal momentum input, counter toroidal rotation is measured in the interior, ρ < 0.5, while co rotation is measured outside this region. This is contrasted with Ohmic H‐modes where the rotation is everywhere in the co direction. A simple parameterization is suggested to facilitate comparison between machines.

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What this paper is about

In ECH H‐mode discharges with essentially no toroidal momentum input, counter toroidal rotation is measured in the interior, ρ < 0.5, while co rotation is measured outside this region. This is contrasted with Ohmic H‐modes where the rotation is everywhere in the co direction. A simple parameterization is suggested to facilitate comparison between machines.

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Available abstract

In ECH H‐mode discharges with essentially no toroidal momentum input, counter toroidal rotation is measured in the interior, ρ < 0.5, while co rotation is measured outside this region. This is contrasted with Ohmic H‐modes where the rotation is everywhere in the co direction. A simple parameterization is suggested to facilitate comparison between machines.

Key concepts: Toroid, Rotation (mathematics), DIII-D, Physics, Mode (computer interface), Tokamak, Optics, Geometry

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