Published December 1987
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The effect of electron thermal conduction on plasma pressure gradient during reconnection of magnetic field lines
Description
The interplay of electron cross-field thermal conduction and the reconnection of magnetic field lines around an m = 1 magnetic island prior to a sawtooth crash can generate a large pressure gradient in a boundary layer adjacent to the reconnecting surface, leading to an enhanced gradient of poloidal beta to satisfy the threshold condition for ideal MHD modes. This narrow boundary layer and the short onset time of a sawtooth crash can be supported by fine-grained turbulent processes in a tokamak plasma. 11 refs
Availability note (English)
Available from NTIS, PC A02/MF A01; 1 as DE88009352.Files
19090574.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 9 p.
- Report number
- PPPL--2491
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 19090574
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Descriptors DEI
- HOT PLASMA; MAGNETIC FIELDS; PRESSURE GRADIENTS; TEMPERATURE GRADIENTS; THERMAL CONDUCTIVITY; TOKAMAK DEVICES; TURBULENCE
- Descriptors DEC
- CLOSED PLASMA DEVICES; PHYSICAL PROPERTIES; PLASMA; THERMODYNAMIC PROPERTIES; THERMONUCLEAR DEVICES
Optional Information
- Notes
- Portions of this document are illegible in microfiche products.