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Report on EU Dust activities C. Grisolia Frascati, October 2008.

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Presentation on theme: "Report on EU Dust activities C. Grisolia Frascati, October 2008."— Presentation transcript:

1 Report on EU Dust activities C. Grisolia Frascati, October 2008

2 Outline Dust creation processes in Labs and in Tokamaks Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

3 Outline Dust creation processes in Labs and in Tokamaks Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

4 Dust creation processes in cold plasmas

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7 Dust creation processes in Tore Supra

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13 Dust creation processes Magnum PSI

14 Outline Dust creation processes in Labs and in Tokamak Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

15 Dust characterisation: TEXTOR

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17 Dust characterisation: AUG

18 Dust creation processes FE200 (Rosanvallon, Escourbiac)

19 Dust characterisation: Tore Supra from post morten analysis of TS samples

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21 Dust characterisation: JET (Anna Widowson)

22 Dust characterisation: JET

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28 Outline Dust creation processes in Labs and in Tokamak Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

29 Dust in vessel measurements: Tore Supra

30 (Suk Ho Hong, Tore Supra and now Kstar, Grisolia)

31 Dust in vessel measurements: Tore Supra

32 (Rosanvallon, Vartanian, Grisolia + Skinner)

33 Dust in vessel measurements: AUG (Suk Ho Hong, V Rohde)

34 Dust in vessel measurements: AUG (V Rohde)

35 Dust in vessel measurements: TEXTOR

36

37 Dust in vessel measurements: JET (Hong, Murari, Loarer, Grisolia, et al)

38 Dust in vessel measurements: JET (Hong, Murari, Loarer, Grisolia, et al)

39 Dust in vessel measurements: JET (Hong, Murari, Loarer, Grisolia, et al)

40 Dust in vessel measurements: JET (Hong, Murari, Loarer, Grisolia, et al)

41 Dust in vessel measurements: FTU

42

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44 Outline Dust creation processes in Labs and in Tokamak Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

45 Diagnostics : laser extinction

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49 Diagnostics : Probe & optical detection

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52 Diagnostics : laser dust production for diagnostic development

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55 Outline Dust creation processes in Labs and in Tokamak Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

56 Dust Removal Tools (Delaporte, Vatry)

57 Dust Removal Tools

58 Layer Removal Tools & dust production

59

60

61 Outline Dust creation processes in Labs and in Tokamak Dusty plasmas, Tore Supra, Magnum PSI Characterisation JET, TEXTOR, AUG, TS, FE200 Dust in vessel measurements JET, Tore Supra, AUG, TEXTOR Diagnostics developments laser extinction Removal tools (laser systems) Transport modelling in Tokamak

62 Modelling

63

64 conclusions Huge amount of work! almost all Tokamaks involved + lot of labs for analysis all topics covered even if: in situ diagnostics not enough covered! removal tools not yet tested! 2009 : dust characterisation (SEM, Focussed Ion Beam, EDX) AUG, JET, CEA, VR, FZJ, UKAEA dust diagnostics: erosion, electrostatic grids, IR measurements, CCD impacts events, injection of dust, spectroscopy of dust JET, IPP, FTU, CIEMAT, FZJ, UKAEA, VR, CEA dust suspension and recovery (CEA)

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