Neoclassical radial electric field and ion heat flux in the presence of the 
transport barrier

Kiviniemi, T. P.; Heikkinen, J. A.; Peeters, A. G.

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Neoclassical radial electric field and ion heat flux in the presence of the transport barrier

Kiviniemi, T. P., Heikkinen, J. A., & Peeters, A. G. (2002). Neoclassical radial electric field and ion heat flux in the presence of the transport barrier. Contributions to Plasma Physics, 42(2-4), 236-240. Retrieved from http://www3.interscience.wiley.com/cgi-bin/fulltext/93012739/PDFSTART.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-4207-E Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-4208-C

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Urheber:
Kiviniemi, T. P.¹, Autor
Heikkinen, J. A.¹, Autor
Peeters, A. G.², Autor

Affiliations:
1Helsinki Univ Technol, Euratom Tekes Assoc, Adv Energy Syst., POB 2200, FIN-02015 Espoo, Finland; Euratom Tekes Assoc, VTT Chem Technol, FIN-02044 Espoo, Finland;, ou_persistent22
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society

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Schlagwörter: 8th International Workshop on Plasma Edge Theory in Fusion Devices, Helsinki, 2001-09-10 to 2001-09-12

Zusammenfassung: The ambipolar radial electric field and ion heat flux in the presence of this field are studied using Monte Carlo guiding centre orbit following code ASCOT. These are studied as a function of temperature gradient in different collisionality regimes. Good agreement with the analytic theory is found for heat fluxes in plateau and banana regimes but in Pfirsch- Schluter regime sub-neoclassical heat flux is found for steep temperature gradients. For radial electric field, deviations from analytic theory are significant.