Progress in theoretical models of the ICRF mode conversion

• Autorzy: Kazakov Y. O.
• Konferencja: 10th International Workshop and Summer School "Towards Fusion Energy", 12-18 June 2011, Kudowa Zdrój, Poland
• Języki publikacji: EN

Abstrakty

EN

The technique of heating the plasma with the electromagnetic waves in the ion cyclotron range of frequencies (ICRF) has many important applications that may lead to improved performance of tokamaks. Recently the heating efficiency of the ICRF mode conversion scenarios characterized by a narrow power deposition profiles received much attention. This paper highlights progress in the theoretical models of the ICRF mode conversion that allowed to achieve a successful experimental realisation of these scenarios in present-day tokamaks.

Słowa kluczowe

EN

ICRF heating; ion-ion hybrid resonance; mode conversion; tokamak

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2012
• Tom: Vol. 57, No. 1
• Strony: 31--35
• Opis fizyczny: Bibliogr. 21 poz., rys.

Twórcy

autor

Kazakov Y. O.

• Department of Applied Physics, Nuclear Engineering Division, Chalmers University of Technology, Euratom-VR Association, SE-412 96 Göteborg, Sweden, Tel.: [phone], Fax: [phone],

Bibliografia

• 1. Adam J (1987) Review of tokamak plasma heating by wave damping in the ion cyclotron range of frequency. Plasma Phys Control Fusion 29:443–472
• 2. Becoulet A (1996) Heating and current drive regimes in the ion cyclotron range of frequency. Plasma Phys Control Fusion 38:A1–A11
• 3. Budden KG (1985) The propagation of radio waves. Cambridge University Press, Cambridge
• 4. Fuchs V, Ram AK, Schultz SD, Bers A, Lashmore-Davies CN (1995) Mode conversion and electron damping of the fast Alfvén wave in a tokamak at the ion-ion hybrid frequency. Phys Plasmas 2:1637–1647
• 5. Heikkinen JA, Hellsten T, Alava MJ (1991) Fast wave absorption at the Alfvén resonance during ion cyclotron resonance heating. Nucl Fusion 31:417–429
• 6. ITER team (1999) ITER physics basis. Chapter 6. Plasma auxiliary heating and current drive. Nucl Fusion 39:2495–2539
• 7. Karney CFF, Perkins FW, Sun Y-C (1979) Alfvén resonance effects on magnetosonic modes in large tokamaks. Phys Rev Lett 42:1621–1624
• 8. Kaufman AN, Tracy ER, Morehead JJ, Brizard AJ (1999) The dissipative Budden problem: Effect of converted-wave damping on primary-wave reflection. Phys Lett A 252:43–48
• 9. Kazakov YeO, Pavlenko IV, Girka IO (2010) Propagation of the fast magnetosonic wave through the generalized Budden barrier. Probl Atom Sci Tech 4:90–93
• 10. Kazakov YeO, Pavlenko IV, Van Eester D, Weyssow B, Girka IO (2010) Enhanced ICRF (ion cyclotron range of frequencies) mode conversion efficiency in plasmas with two mode conversion layers. Plasma Phys Control Fusion 52:115006/20
• 11. Kazakov YeO, Van Eester D, Lerche E, Pavlenko IV, Girka IO, Weyssow B, and JET EFDA contributors (2010) ICRF heating of hydrogen plasmas with two mode conversion layers. Probl Atom Sci Tech 6:37–39
• 12. Lamalle PU, Mantsinen MJ, Noterdaeme J-M et al. (2006) Expanding the operating space of ICRF on JET with a view to ITER. Nucl Fusion 46:391–400
• 13. Longinov AV, Stepanov KN (1992) Radio-frequency heating in the ion cyclotron frequency range. In: Litvak AG (ed) High-frequency plasma heating. American Institute of Physics, New York, pp 93–238
• 14. Majeski R, Phillips CK, Wilson JR (1994) Electron heating and current drive by mode converted slow waves. Phys Rev Lett 73:2204–2207
• 15. Mantsinen MJ, Eriksson L-G, Gauthier E et al. (2003) Application of ICRF waves in tokamaks beyond heating. Plasma Phys Control Fusion 45:A445–A456
• 16. Mayoral M-L, Lamalle PU, Van Eester D et al. (2006) Hydrogen plasmas with ICRF inverted minority and mode conversion heating regimes in the JET tokamak. Nucl Fusion 46:S550–S563
• 17. Stix TH (1992) Waves in plasmas. American Institute of Physics, New York
• 18. Swanson DG (1998) Theory of mode conversion and tunneling in inhomogeneous plasmas. Wiley, New York
• 19. Van Duin CA, Sluijter FW (1983) Reflection and transmission coefficients for local resonances in a cold magnetoplasma. Radio Sci 18:337–343
• 20. Van Eester D, Lerche E, Andrew Y et al. (2009) JET (3He)-D scenarios relying on RF heating: survey of selected recent experiments. Plasma Phys Control Fusion 51:044007/31
• 21.Van Eester D, Lerche E, Johnson T et al. (2010) Mode conversion heating in JET plasmas with multiple mode conversion layers. In: Proc 37th EPS Conf on Plasma Physics, 21–25 June 2010, Dublin, Ireland, P5.163