Hybrid fluid/kinetic model for parallel heat conduction
Conference
·
OSTI ID:334074
- Univ. of Wisconsin, Madison, WI (United States)
It is argued that in order to use fluid-like equations to model low frequency ({omega} < {nu}) phenomena such as neoclassical tearing modes in low collisionality ({nu} < {omega}{sub b}) tokamak plasmas, a Chapman-Enskog-like approach is most appropriate for developing an equation for the kinetic distortion (F) of the distribution function whose velocity-space moments lead to the needed fluid moment closure relations. Further, parallel heat conduction in a long collision mean free path regime can be described through a combination of a reduced phase space Chapman-Enskog-like approach for the kinetics and a multiple-time-scale analysis for the fluid and kinetic equations.
- Research Organization:
- Univ. of Wisconsin, Center for Plasma Theory and Computation, Madison, WI (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG02-86ER53218
- OSTI ID:
- 334074
- Report Number(s):
- CONF-9803121-PROC.; ON: DE99001004; TRN: 99:005150
- Resource Relation:
- Conference: Workshop on nonlinear MHD and extended MHD, Atlanta, GA (United States), 25-26 Mar 1998; Other Information: PBD: [1998]; Related Information: Is Part Of Proceedings of the workshop on nonlinear MHD and extended MHD; PB: [75] p.
- Country of Publication:
- United States
- Language:
- English
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