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LIST OF FIGURES5.8 The peaking factor for impurity species C +6 (red curves), Ne +10 (bluecurves) and Ar +18 (pink curves) versus ɛ Ti computed with ɛ Te = 0,∑s = 1.8 and different total impurity concentrations: ξj = 1% (solidcurves), 3% (dashed curves) and 5% (dashed-dotted curves). . . . . . . . 955.9 The peaking factor for impurity species C +6 (red curves), Ne +10 (bluecurves) and Ar +18 (pink curves) versus magnetic shear computed withɛ Te = 0, ɛ Ti = 5 and different total impurity concentrations: ∑ ξ j = 1%(solid curves), 3% (dashed curves) and 5% (dashed-dotted curves). . . . 955.10 The k y ρ s -spectrum of the instability growth rate as a function of θ calculatedfor the plasma parameters in the JET core, r/a = 0.42. . . . . . 1015.11 Impurity peaking factor as a function of the impurity charge Z andparameter θ computed without impurity ion collisions (r/a = 0.42). . . . 1015.12 Impurity peaking factor as a function of the impurity charge Z andparameter θ computed with impurity ion collisions (r/a = 0.42). . . . . 1025.13 The contribution from thermal forces, PV T Fcoll, to the pinch-velocity factorP Vz as a function of the impurity charge Z and parameter θ (r/a = 0.42).103))5.14 The values Im(α ′ i ΘN z/Y z and Im(α eΨN ′ z /Y z as functions of theimpurity charge Z and parameter θ (r/a = 0.42). . . . . . . . . . . . . . 1035.15 The k y ρ s -spectrum of the instability growth rate as a function of θ calculatedfor the plasma parameters close to the plasma edge, r/a = 0.8. . 1045.16 Impurity peaking factor as a function of the impurity charge Z andparameter θ computed without impurity ion collisions (r/a = 0.8). . . . 1055.17 Impurity peaking factor as a function of the impurity charge Z andparameter θ computed with impurity ion collisions (r/a = 0.8). . . . . . 1055.18 The k y ρ s -spectrum of the instability growth rate as a function of themagnetic shear s calculated for the plasma parameters in the plasmacore, r/a = 0.42, in the regime of TE-modes, θ = 1. . . . . . . . . . . . . 1065.19 Impurity peaking factor as a function of the impurity charge Z and magneticshear s computed with impurity ion collisions included (r/a = 0.8, θ = 1).1075.20 Charge dependence of the impurity peaking factor observed (right figure)and computed by AFC-FL code (left figure). . . . . . . . . . . . . . . . 1076.1 A local moving reference frame attached to the particle. . . . . . . . . . 111xii
LIST OF FIGURES6.2 Comparison between AFC-FL and QuaLiKiz models. . . . . . . . . . . . 1157.1 Prad tot total radiated power as a function of time (taken from JET measurementsbase on 2D tomographic reconstruction) for the three discharges:69089 (solid line), 69091 (dashed line) and 69093 (dashed dotted line). . 1207.2 P rad total radiated power inside LCFS as a function of normalized flux,Ψ, (taken from JET measurements based on Abel inversion (reconstructionunder assumption that plasma radiation is constant on the fluxsurface) for the two discharges at t ≈ 7.6s: 69091 (dashed line) and69093 (dashed dotted line). . . . . . . . . . . . . . . . . . . . . . . . . . 1217.3 T i profiles as functions of major radius (taken from JET CXFM measurements)for the three discharges at t ≈ 7.6s: 69089 (solid line), 69091(dashed line) and 69093 (dashed dotted line). . . . . . . . . . . . . . . . 1227.4 T e profiles as functions of major radius (taken from JET LIDAR measurements)for the three discharges at t ≈ 7.6s: 69089 (solid line), 69091(dashed line) and 69093 (dashed dotted line). . . . . . . . . . . . . . . . 1237.5 Electron density n e profiles as functions of major radius (taken from JETLIDAR measurements) for the three discharges at t ≈ 7.6s: 69089 (solidline), 69091 (dashed line) and 69093 (dashed dotted line). . . . . . . . . 1237.6 Neon concentration, n Ne /n e profiles as functions of major radius (takenfrom JET charge exchange recombination spectroscopy measurements,CXF6) for the three discharges at t ≈ 7.6s: 69089 (solid line), 69091(dashed line) and 69093 (dashed dotted line). . . . . . . . . . . . . . . . 1247.7 Carbon concentration, n C /n e profiles as functions of major radius (takenfrom JET charge exchange recombination spectroscopy measurements,CXFM) for the three discharges at t ≈ 7.6s: 69089 (solid line), 69091(dashed line) and 69093 (dashed dotted line). . . . . . . . . . . . . . . . 1257.8 Effective charge, Z eff profiles as functions of major radius (taken fromJET charge exchange recombination spectroscopy measurements CXFM)for the three discharges at t ≈ 7.6s: 69089 (solid line), 69091 (dashedline) and 69093 (dashed dotted line). . . . . . . . . . . . . . . . . . . . . 125xiii
Page 1 and 2: Transport Analysis in TokamakPlasma
Page 3 and 4: mode (ITG mode) by the impurities.
Page 5 and 6: I dedicate my thesis to maman, baba
Page 7: philosophical debates, exchanges of
Page 10 and 11: CONTENTS2 Aims of the project 232.1
Page 12 and 13: CONTENTS7 Transport Modeling of Imp
Page 14 and 15: LIST OF FIGURES3.4 Drift of a gyrat
Page 18 and 19: LIST OF FIGURES7.9 The energy confi
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Page 34 and 35: 1. INTRODUCTIONradiation from the p
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Page 38 and 39: 1. INTRODUCTIONFigure 1.10: Schemat
Page 40 and 41: 1. INTRODUCTIONδV E = δE × BB 2
Page 42 and 43: 1. INTRODUCTIONmagnetic field geome
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Page 46 and 47: 3. DRIFT WAVESOur goal is to study
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3. DRIFT WAVESwhere P is the pressu
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3. DRIFT WAVESprescribed as a given
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3. DRIFT WAVESever, in general the
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3. DRIFT WAVESthough the individual
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3. DRIFT WAVESReplacing the eq. (3.
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3. DRIFT WAVES∂n= −∇ · Γ (3
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3. DRIFT WAVES58
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4. DRIFT INSTABILITY ANALYSIS: LINE
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5. ANOMALOUS TRANSPORT DUE TO DRIFT
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6. BENCHMARK WITH A QUASI-LINEAR GY
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7. TRANSPORT MODELING OF IMPURITY S
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8. STUDY OF DRIFT WAVE CHARACTERIST
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9. DISCUSSIONthat the impurity dens
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9. DISCUSSIONsurface and machine wa
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9. DISCUSSIONthe plasma distributio
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REFERENCES[21] Weiland J. Collectiv
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REFERENCES[73] Neuhauser J. et al.
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PhD and MPhil Thesis Classes - UniversitÃ© Libre de Bruxelles

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