Momentum and thermal transport in neutral-beam-heated tokamaks

Technical Report · Wed Jul 01 04:00:00 EDT 1987

OSTI ID:6199710

Mattor, N; Diamond, P H

The report explores the relation between momentum and thermal transport in neutral-beam-heated tokamaks with subsonic toroidal rotation velocity. A theory of diffusive momentum transport driven by ion-temperature-gradient-driven turbulence (eta/sub i/-turbulence) is presented. In addition, the level of eta/sub i/-turbulence is enhanced by radially sheared toroidal rotation. The resulting ion shear viscosity chi/sub phi/ is found. The associated ion thermal diffusivity, chi/sub i/, is identical to chi/sub phi/. Thus, a scenario based on velocity-shear-enhanced eta/sub i/-turbulence is consistent with the experimentally observed relationship between thermal and momentum confinement.

• Research Organization: Texas Univ., Austin (USA). Inst. for Fusion Studies
• DOE Contract Number: FG05-80ET53088
• OSTI ID: 6199710
• Report Number(s): DOE/ET/53088-287; IFSR-287; ON: DE87014423
• Country of Publication: United States
• Language: English

Related Subjects

640410 -- Fluid Physics-- General Fluid Dynamics
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700103* -- Fusion Energy-- Plasma Research-- Kinetics
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BEAM INJECTION
BEAM INJECTION HEATING
CLOSED PLASMA DEVICES
ENERGY TRANSFER
FLOW MODELS
FLUID FLOW
HEAT TRANSFER
HEATING
ION TEMPERATURE
MATHEMATICAL MODELS
MOMENTUM TRANSFER
NEUTRAL ATOM BEAM INJECTION
NONLINEAR PROBLEMS
PLASMA HEATING
RENORMALIZATION
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
TURBULENT FLOW
VISCOSITY