Runaway losses in ergodized plasmas

Nuclear Fusion

Volumn 47, Issue 2, 2007, Pages 91-102

  Finken, K H ^a   Abdullaev, S S ^a   Jakubowski, M W ^a   Jaspers, R ^b   Lehnen, M ^a   Schlickeiser, R ^c   Spatschek, K H ^a,d   Wingen, A ^d   Wolf, R ^a  

^a FORSCHUNGSZENTRUM JÜLICH   (Germany)

^b FOM INSTITUTE FOR PLASMA PHYSICS RIJNHUIZEN   (Netherlands)

^c RUHR UNIVERSITY BOCHUM   (Germany)

^d HEINRICH HEINE UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DIFFUSION; ELECTRIC DISCHARGES; ELECTRONS; MAGNETIC FIELD EFFECTS; PARAMETER ESTIMATION; PLASMAS;

DYNAMIC ERGODIC DIVERTOR (DED); ERGODIZED MAGNETIC FIELDS; ERGODIZED PLASMAS; RUNAWAY ELECTRONS;

FUSION REACTIONS;

EID: 34247182578     PISSN: 00295515     EISSN: 17414326     Source Type: Journal    
DOI: 10.1088/0029-5515/47/2/004     Document Type: Article

References (65)

1. Connor J.W. and Hastie R.J. 1975 Relativistic limitations on runaway electrons Nucl. Fusion 15 415-24
2. Strachan J.D. 1976 Runaway electron transport in the LT-3 tokamak Nucl. Fusion 16 743-51
3. Fussmann G. 1979 On the motion of runaway electrons in momentum space Nucl. Fusion 19 327-34
4. Russo A.J. 1991 Effect of ripple on runaway electrons in tokamaks Nucl. Fusion 31 117
5. Catto P.J., Myra J.R., Wang P.W., Wootton A.J. and Bengtson R.D. 1991 Estimating the runaway diffusion coefficient in the TEXT tokamak from shift and externally applied resonant magnetic-field experiments Phys. Fluids B 3 2038-49
6. Catto P.J., Myra J.R. and Wootton A.J. 1994 Analytic model for the runaway distribution function in the presence of spatial diffusion Phys. Plasmas 1 684-90
7. Kawashima H., Nagashima K., Tamai H., Miura Y., Shoji T., Fujita T., Mori M., Sakurai S., Uesugi Y. and Takamura S. 1994 Study of runaway electron transport in edge stochastic magnetic field in the JFT-2M tokamak J. Plasma Fusion Res. 70 868
8. Martín-Solís J.R., Snchez R. and Esposito B. 1999 Effect of magnetic and electrostatic fluctuations on the runaway electron dynamics in tokamak plasmas Phys. Plasmas 6 3925-33
9. Maddaluno G. and Esposito B. 1999 Runaway-limiter interaction in the FTU tokamak during disruptions J. Nucl. Mater. 266-269 593-7
10. Helander P., Eriksson L.-G. and Andersson F. 2000 Supperssion of runaway electron avalanches by radial diffusion Phys. Plasmas 7 4106-11
11. Knoepfel H. and Spong D.A. 1979 Runaway electrons in toroidal discharges Nucl. Fusion 19 785-829
12. Yoshino R. and Tokuda S. 2000 Runaway electrons in magnetic turbulence and runaway current termination in tokamak discharge Nucl. Fusion 40 1293-309
13. Finken K.H., Watkins J.G, Rusbüldt D., Corbett W.J., Dippel K.H., Goebel D.M. and Moyer R.A. 1990 Observation of infrared synchrotron radiation from tokamak runaway electrons in TEXTOR Nucl. Fusion 30 859
14. Jaspers R., Finken K.H., Mank G., Hoenen F., Boedo N.J., Lopes Cardozo N.J. and Schüller F.C. 1993 Experimental investigation of runaway electron generation in TEXTOR Nucl. Fusion 33 1775
15. Jaspers R., Lopes Cardozo N.J., Finken K.H., Schokker B.C., Fuchs G., Mank G. and Schüller F.C. 1994 Island of runaway electrons in the TEXTOR tokamak and relation to transport in a stochastic field Phys. Rev. Lett. 72 4093
16. Gill R.D., Alper B., Edwards A.W., Ingesson L.C., Johnson M.F. and Ward D.J. 2000 Direct observations of runaway electrons during disruptions in the JET tokamak Nucl. Fusion 40 163-174
17. Russo A.J. and Campbell R.B. 1993 A model for disruption generated runaway electrons Nucl. Fusion 33 1305
18. eff Nucl. Fusion 38 279
19. Rosenbluth M.N. and Putvinski S.V. 1997 Theory for avalanche of runaway electrons in tokamaks Nucl. Fusion 37 1355-62
20. Jaspers R., Lopes Cardozo N.J., Schüller F.C., Finken K.H., Grewe T. and Mank G. 1996 Disruption generated runaway electrons in TEXTOR and ITER Nucl. Fusion 36 367
21. Yoshino R., Tokuda S. and Kawano Y. 1999 Generation and termination of runaway electrons at major disruptions in JT-60U Nucl. Fusion 39 151
22. Plyusnin V.V., Riccardo V., Jaspers R., Alper B., Kiptily V.G., Mlynar J., Popovichev S., de La Luna E. and Anderson F. JET EFDA contributors 2006 Study of runaway electron generation during major disruptions in JET Nucl. Fusion 46 277
23. Saint-Laurent F., Martin G., Bucalossi J., Sourd F. and Erikson L.G. 2005 Proc. 32th EPS Conf. on Plasma Physics and Controlled Fusion (Tarragona 2005) ECA vol 29C P-2.064
24. Martin G. 1998 Proc. ICPP and 25th EPS Conf. on Plasma Physics and Controlled Fusion (Prague 1998) ECA vol 22C P 0651
25. Putvinski S. et al 1998 Proc. 17th Int. Conf. on Fusion Energy 1988 (Yokohama, 1998) (Vienna: IAEA) CD-ROM files ITERP1/10 and http://www.iaea.org/ programmes/ripc/physics/start.htm
26. Jaspers R., Grewe T., Finken K.H., Krämer-Flecken A., Lopes Cardozo N.J., Mank G. and Waidmann G. 1995 Observations of infrared radiation during disruptions in TEXTOR: heat pulses and runaway electrons J. Nucl. Mater. 220-222 682
27. Bakhtiari M., Kramer G.J., Takechi M., Tamai H., Miura Y., Kusama Y. and Kamada Y. 2005 Role of bremsstrahlung radiation in limiting the energy of runaway electrons in tokamaks Phys. Rev. Lett. 94 215003
28. Bakhtiari M., Kawano Y., Tamai H., Miura Y., Yoshino R. and Nishida Y. 2002 Fast plasma shutdown scenarios in the JT-60U tokamak using intense mixed gas puffing Nucl. Fusion 42 1197-204
29. Pautasso G. et al 2002 On-line prediction and mitigation of disruptions in ASDEX Upgrade Nucl. Fusion 42 100-8
30. Kawano Y. et al 1997 Fast current shutdown scenario for major disruption softening in JT-60U Proc. 16th Int Conf. on Fusion Energy 1996 (Montreal, 1996) (Vienna: IAEA) IAEA-CN-64/A3
31. Kawano Y. et al 2002 Disruption studies in JT-60U Fusion Sci. Technol. 42 298
32. Kawano Y. et al 2005 Mitigation of runaway electrons by impurity pellet injection J. Plasma Fusion Res. 81 593
33. Tamai H. et al 2002 Runaway current termination in JT-60U Nucl. Fusion 42 290
34. Whyte D.G. et al 2002 Disruption mitigation by high gas jet injection Phys. Rev. Lett. 89 05501
35. Braginskii S.I. 1965 Reviews of Plasma Physics vol 1 ed M.A. Leontovich (New York: Consultants Bureau) p 205
36. Balescu R. 1988 Transport Processes in Plasmas: 2. Neoclassical Transport Theory (Amsterdam: North-Holland)
37. Hazeltine R.D. and Meiss J.D. 1992 Plasma Confinement (Redwood City, CA: Addison-Wesley)
38. Balescu R. 2005 Aspects of Anomalous Transport in Plasmas (Bristol: Institute of Physics Publishing)
39. Mynick H.E. 1993 Transport of energetic ions by low-n magnetic perturbations Phys. Fluids B 5 1471-81
40. Mynick H.E. 1993 Stochastic transport of mev ions by low-n magnetic perturbations Phys. Fluids B 5 2460-7
41. Myra J.R. and Catto P.J. 1992 Effects of drifts on the diffusion of runaway electrons in tokamak stochastic magnetic fields Phys. Fluids B 4 176-86
42. Entrop I., Lopes Cardozo N.J., Jaspers R. and Finken K.H. 1998 Diffusion of runaway electrons in TEXTOR-94 Plasma Phys. Control. Fusion 40 1513
43. Entrop I., Jaspers R., Lopes Cardozo N.J. and Finken K.H. 1999 Runaway snakes in TEXTOR-94 Plasma Phys. Control. Fusion 41 377
44. Tokuda S. and Yoshino R. 1999 Simulation study on collisionless loss of runaway electrons by magnetic perturbations in a tokamak Nucl. Fusion 39 1123-32
45. de Rover M., Lopes Cardozo N.J. and Montvai A. 1996 Hamiltonian description of the topology of drift orbits of relativistic particles in a tokamak Phys. Plasmas 3 4468-77
46. de Rover M., Lopes Cardozo N.J. and Montvai A. 1996 Motion of relativistic particles in axially symmetric and perturbed magnetic fields in a tokamak Phys. Plasmas 3 4478-88
47. de Rover M., Schilham A.M., Montvai A. and Lopes Cardozo N.J. 1999 Test particle transport in perturbed magnetic fields in tokamaks Phys. Plasmas 6 2443-51
48. Finken K.H., Abdullaev S.S., Jakubowski M., Jaspers R., Lehnen M. and Zimmermann O. 2006 Losses of runaway electrons during ergodization Nucl. Fusion 46 S139-44
49. Balescu R., Vlad M. and Spineanu P. 1998 Tokamap: a Hamiltonian twist map for magnetic field lines in a toroidal geometry Phys. Rev. E 58 951-64
50. Balescu R. 1998 Hamiltonian non-twist map for magnetic field lines with locally reversed shear in a toroidal geometry Phys. Rev. E 58 3781-92
51. Abdullaev S.S., Finken K.H., Kaleck A. and Spatschek K.H. 1998 Twist mapping for the dynamics of magnetic field lines in a tokamak ergodic divertor Phys. Plasmas 5 196-210
52. Abdullaev S.S., Finken K.H. and Spatschek K.H. 1999 Asymptotical and mapping methods in study of ergodic divertor magnetic field in a toroidal system Phys. Plasmas 6 153-174
53. Finken K.H., Abdullaev S.S., Kaleck A. and Wolf G.H. 1999 Operating space of the dynamic ergodic divertor for TEXTOR-94 Nucl. Fusion 39 637-61
54. Finken K.H., Abdullaev S.S., Jakubowski M., Lehnen M., Nicolai A. and Spatschek K.H. 2005 The structure of magnetic field in the TEXTOR-DED Energy Technology vol 45 (Julich, Germany: Forschungszentrum Julich)
55. Abdullaev S.S. 2006 Construction of mappings for hamiltonian systems and their applications Lecture Notes in Physics vol 691 (Berlin: Springer)
56. Wingen A., Abdullaev S.S., Finken K.H., Jakubowski M. and Spatschek K.H. 2006 Influence of stochastic fields on relativistic electrons Nucl. Fusion 46 941
57. Wolf R. et al 2005 Effect of the dynamic ergodic divertor in the TEXTOR tokamak on MHD stability, plasma rotation and transport Nucl. Fusion 45 1700-7
58. Jaspers R., Lopes Cardozo N.J., Donné A.J.H., Widdershoven H.L.M. and Finken K.H. 2001 A synchrotron radiation diagnostic to observe relativistic runaway electrons in a tokamak plasma Rev. Sci. Instrum. 72 466-70
59. Dreicer H. 1959 Electron and ion runaway in a fully ionized gas Phys. Rev 115 238-49
60. Kulsrud R.M., Sun Y.C., Winsor N.K. and Fallon H.A. 1973 Runaway electrons in a plasma Phys. Rev. Lett. 31 690-3
61. Jaspers R. 1995 Relativistic runaway electrons in tokamak plasmas PhD Thesis Technische Universiteit, Eindhoven http://alexandria.tue.nl/extra3/ proefschrift/PRF11A/9405635.pdf
62. Martín-Solís J.R., Snchez R. and Esposito B. 2002 Interaction of runaway electrons with lower hybrid waves via anomalous Doppler broadening Phys. Plasmas 9 1667-75
63. Finken K.H. et al 1990 Helium exhaust studies with the ALT-II pump limiter in TEXTOR J. Nucl. Mater. 176-177 821-4
64. Abdullaev S.S. and Finken K.H. 2002 Hamiltonian guiding center equations in a toroidal system Phys. Plasmas 9 4193-204
65. Abdullaev S.S., Wingen A. and Spatschek K.H. 2006 Mapping of drift surfaces in toroidal systems with chaotic magnetic fields Phys. Plasmas 13 042509