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BPP experiments @ the tokamak GOLEM

Essential parameters:

Experimental setup

Ball pen probe @ North-East port

setup

The discharge #23297

Basic diagnostics

Plasma start:6530 us Plasma end:26790 us

The BPP data vs diagnostics

The BPP raw data

Maxima and minima localization in bpp_voltage

Extrems
minima
maxima

Final movie

i: 0, Time:From:6.74,via:6.99,to:7.25,$B_t$0.08Azooz fit: $a_1$=+4.577e+00,$a_2$=26.77,$a_3$=+4.038e+01,$a_4$=1.08Class fit: $I_{sat}$=0.88,$\varphi_{pl}$=-25.51,$T_e$=6.74,$Ratio_{sat}$=0.01,$\varphi_{fl}$=90.28,$\alpha$=6.72

i: 1, Time:From:7.25,via:7.49,to:7.74,$B_t$0.10Azooz fit: $a_1$=+4.574e+00,$a_2$=38.94,$a_3$=+3.790e+01,$a_4$=4.98Class fit: $I_{sat}$=3.91,$\varphi_{pl}$=-27.91,$T_e$=12.10,$Ratio_{sat}$=0.01,$\varphi_{fl}$=20.41,$\alpha$=7.93

i: 2, Time:From:7.74,via:7.99,to:8.24,$B_t$0.12Azooz fit: $a_1$=+4.599e+00,$a_2$=39.18,$a_3$=+3.457e+01,$a_4$=3.93Class fit: $I_{sat}$=1.76,$\varphi_{pl}$=-30.80,$T_e$=5.27,$Ratio_{sat}$=0.04,$\varphi_{fl}$=26.22,$\alpha$=8.32

i: 3, Time:From:8.24,via:8.49,to:8.74,$B_t$0.13Azooz fit: $a_1$=+4.884e+00,$a_2$=100.48,$a_3$=+1.029e+02,$a_4$=5.42Class fit: $I_{sat}$=52.05,$\varphi_{pl}$=-58.40,$T_e$=586.44,$Ratio_{sat}$=0.00,$\varphi_{fl}$=25.36,$\alpha$=0.76

i: 4, Time:From:8.74,via:8.99,to:9.24,$B_t$0.15Azooz fit: $a_1$=+4.435e+00,$a_2$=54.69,$a_3$=+3.992e+01,$a_4$=0.62Class fit: $I_{sat}$=4.80,$\varphi_{pl}$=-63.85,$T_e$=37.54,$Ratio_{sat}$=0.00,$\varphi_{fl}$=134.59,$\alpha$=-2.29

i: 5, Time:From:9.24,via:9.49,to:9.74,$B_t$0.17Azooz fit: $a_1$=+5.030e+00,$a_2$=141.81,$a_3$=+1.505e+02,$a_4$=8.60Class fit: $I_{sat}$=2.00,$\varphi_{pl}$=-76.25,$T_e$=11.36,$Ratio_{sat}$=0.05,$\varphi_{fl}$=18.76,$\alpha$=-3.66

i: 6, Time:From:9.74,via:9.99,to:10.24,$B_t$0.19Azooz fit: $a_1$=+4.178e+00,$a_2$=71.02,$a_3$=+6.240e+01,$a_4$=1.35Class fit: $I_{sat}$=5945.49,$\varphi_{pl}$=-71.17,$T_e$=92794.50,$Ratio_{sat}$=0.01,$\varphi_{fl}$=48.75,$\alpha$=-0.69

i: 7, Time:From:10.24,via:10.49,to:10.74,$B_t$0.20Azooz fit: $a_1$=+4.100e+00,$a_2$=33.51,$a_3$=+3.918e+01,$a_4$=1.07Class fit: $I_{sat}$=1.26,$\varphi_{pl}$=-36.69,$T_e$=10.67,$Ratio_{sat}$=0.01,$\varphi_{fl}$=56.41,$\alpha$=4.03

i: 8, Time:From:10.74,via:10.99,to:11.24,$B_t$0.22Azooz fit: $a_1$=+3.833e+00,$a_2$=32.80,$a_3$=+2.530e+01,$a_4$=1.25Class fit: $I_{sat}$=0.53,$\varphi_{pl}$=-32.59,$T_e$=4.25,$Ratio_{sat}$=0.04,$\varphi_{fl}$=37.42,$\alpha$=3.73

i: 9, Time:From:11.24,via:11.49,to:11.75,$B_t$0.23Azooz fit: $a_1$=+4.137e+00,$a_2$=48.47,$a_3$=+7.098e+01,$a_4$=1.58Class fit: $I_{sat}$=0.27,$\varphi_{pl}$=-48.01,$T_e$=13.67,$Ratio_{sat}$=0.07,$\varphi_{fl}$=40.22,$\alpha$=3.14

i:10, Time:From:11.75,via:11.99,to:12.24,$B_t$0.25Azooz fit: $a_1$=+4.599e+00,$a_2$=38.77,$a_3$=+3.379e+01,$a_4$=-3.98Class fit: $I_{sat}$=-1282.31,$\varphi_{pl}$=-84.67,$T_e$=-62141.30,$Ratio_{sat}$=-0.10,$\varphi_{fl}$=-24.02,$\alpha$=2.30

i:11, Time:From:12.24,via:12.49,to:12.74,$B_t$0.26Azooz fit: $a_1$=+4.466e+00,$a_2$=27.50,$a_3$=+1.843e+01,$a_4$=-0.47Class fit: $I_{sat}$=2.12,$\varphi_{pl}$=-84.12,$T_e$=-0.52,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=-188.81,$\alpha$=4.16

i:12, Time:From:12.74,via:12.99,to:13.23,$B_t$0.28Azooz fit: $a_1$=+4.249e+00,$a_2$=31.38,$a_3$=+2.390e+01,$a_4$=-0.94Class fit: $I_{sat}$=2.12,$\varphi_{pl}$=-86.06,$T_e$=-1.60,$Ratio_{sat}$=0.04,$\varphi_{fl}$=-74.99,$\alpha$=4.15

i:13, Time:From:13.23,via:13.48,to:13.73,$B_t$0.29Azooz fit: $a_1$=+4.208e+00,$a_2$=58.44,$a_3$=+5.439e+01,$a_4$=2.74Class fit: $I_{sat}$=9788.41,$\varphi_{pl}$=-46.48,$T_e$=76681.18,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=25.36,$\alpha$=2.08

i:14, Time:From:13.73,via:13.98,to:14.23,$B_t$0.30Azooz fit: $a_1$=+3.467e+00,$a_2$=48.40,$a_3$=+3.675e+01,$a_4$=1.70Class fit: $I_{sat}$=1.06,$\varphi_{pl}$=-43.29,$T_e$=7.27,$Ratio_{sat}$=0.02,$\varphi_{fl}$=19.50,$\alpha$=2.21

i:15, Time:From:14.23,via:14.48,to:14.73,$B_t$0.32Azooz fit: $a_1$=+3.620e+00,$a_2$=32.60,$a_3$=+6.777e+01,$a_4$=1.35Class fit: $I_{sat}$=1.16,$\varphi_{pl}$=-21.83,$T_e$=13.33,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=28.16,$\alpha$=3.73

i:16, Time:From:14.73,via:14.98,to:15.23,$B_t$0.33Azooz fit: $a_1$=+2.718e+00,$a_2$=18.92,$a_3$=+2.992e+01,$a_4$=0.91Class fit: $I_{sat}$=1.22,$\varphi_{pl}$=-20.55,$T_e$=15.23,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=16.46,$\alpha$=2.59

i:17, Time:From:15.23,via:15.47,to:15.72,$B_t$0.34Azooz fit: $a_1$=+2.397e+00,$a_2$=19.87,$a_3$=+2.903e+01,$a_4$=1.06Class fit: $I_{sat}$=0.53,$\varphi_{pl}$=-16.94,$T_e$=6.81,$Ratio_{sat}$=0.01,$\varphi_{fl}$=10.50,$\alpha$=2.17

i:18, Time:From:15.72,via:15.97,to:16.23,$B_t$0.35Azooz fit: $a_1$=+2.368e+00,$a_2$=20.92,$a_3$=+1.993e+01,$a_4$=0.76Class fit: $I_{sat}$=0.46,$\varphi_{pl}$=-26.19,$T_e$=7.61,$Ratio_{sat}$=0.02,$\varphi_{fl}$=13.40,$\alpha$=2.32

i:19, Time:From:16.23,via:16.47,to:16.72,$B_t$0.36Azooz fit: $a_1$=+2.509e+00,$a_2$=13.09,$a_3$=+1.296e+01,$a_4$=0.57Class fit: $I_{sat}$=0.60,$\varphi_{pl}$=-24.27,$T_e$=9.81,$Ratio_{sat}$=0.01,$\varphi_{fl}$=19.62,$\alpha$=2.06

i:20, Time:From:16.72,via:16.97,to:17.22,$B_t$0.37Azooz fit: $a_1$=+2.311e+00,$a_2$=25.62,$a_3$=+2.332e+01,$a_4$=0.68Class fit: $I_{sat}$=0.22,$\varphi_{pl}$=-30.90,$T_e$=3.93,$Ratio_{sat}$=0.05,$\varphi_{fl}$=13.87,$\alpha$=0.69

i:21, Time:From:17.22,via:17.47,to:17.72,$B_t$0.38Azooz fit: $a_1$=+3.128e+00,$a_2$=29.90,$a_3$=+9.001e+00,$a_4$=1.96Class fit: $I_{sat}$=1.23,$\varphi_{pl}$=-34.78,$T_e$=5.35,$Ratio_{sat}$=0.04,$\varphi_{fl}$=12.39,$\alpha$=4.18

i:22, Time:From:17.72,via:17.97,to:18.22,$B_t$0.38Azooz fit: $a_1$=+5.137e+00,$a_2$=43.91,$a_3$=+4.879e+01,$a_4$=2.45Class fit: $I_{sat}$=1.32,$\varphi_{pl}$=-35.31,$T_e$=5.75,$Ratio_{sat}$=0.04,$\varphi_{fl}$=70.35,$\alpha$=8.14

i:23, Time:From:18.22,via:18.47,to:18.72,$B_t$0.39Azooz fit: $a_1$=+5.340e+00,$a_2$=58.73,$a_3$=+5.492e+01,$a_4$=3.88Class fit: $I_{sat}$=9.22,$\varphi_{pl}$=-45.67,$T_e$=22.07,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=54.75,$\alpha$=19.48

i:24, Time:From:18.72,via:18.97,to:19.21,$B_t$0.40Azooz fit: $a_1$=+5.865e+00,$a_2$=86.22,$a_3$=+1.079e+02,$a_4$=8.10Class fit: $I_{sat}$=5.79,$\varphi_{pl}$=-40.95,$T_e$=17.42,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=44.52,$\alpha$=23.31

i:25, Time:From:19.21,via:19.46,to:19.71,$B_t$0.40Azooz fit: $a_1$=+5.961e+00,$a_2$=50.01,$a_3$=+8.010e+01,$a_4$=4.35Class fit: $I_{sat}$=3.56,$\varphi_{pl}$=-30.88,$T_e$=12.24,$Ratio_{sat}$=0.01,$\varphi_{fl}$=90.09,$\alpha$=19.78

i:26, Time:From:19.71,via:19.97,to:20.22,$B_t$0.41Azooz fit: $a_1$=+4.904e+00,$a_2$=46.65,$a_3$=+5.188e+01,$a_4$=4.39Class fit: $I_{sat}$=2.12,$\varphi_{pl}$=-34.02,$T_e$=7.02,$Ratio_{sat}$=0.03,$\varphi_{fl}$=31.65,$\alpha$=20.06

i:27, Time:From:20.22,via:20.46,to:20.71,$B_t$0.41Azooz fit: $a_1$=+5.060e+00,$a_2$=33.07,$a_3$=+5.079e+01,$a_4$=3.96Class fit: $I_{sat}$=11.65,$\varphi_{pl}$=-24.69,$T_e$=43.85,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=40.75,$\alpha$=19.46

i:28, Time:From:20.71,via:20.96,to:21.21,$B_t$0.42Azooz fit: $a_1$=+4.451e+00,$a_2$=23.30,$a_3$=+2.872e+01,$a_4$=3.35Class fit: $I_{sat}$=15.43,$\varphi_{pl}$=-25.91,$T_e$=47.09,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=26.50,$\alpha$=19.34

i:29, Time:From:21.21,via:21.46,to:21.71,$B_t$0.42Azooz fit: $a_1$=+4.558e+00,$a_2$=18.48,$a_3$=+3.070e+01,$a_4$=2.88Class fit: $I_{sat}$=3.09,$\varphi_{pl}$=-14.95,$T_e$=10.39,$Ratio_{sat}$=0.00,$\varphi_{fl}$=33.96,$\alpha$=19.13

i:30, Time:From:21.71,via:21.96,to:22.21,$B_t$0.42Azooz fit: $a_1$=+4.117e+00,$a_2$=32.49,$a_3$=+4.361e+01,$a_4$=3.20Class fit: $I_{sat}$=1.58,$\varphi_{pl}$=-17.88,$T_e$=7.12,$Ratio_{sat}$=0.02,$\varphi_{fl}$=20.05,$\alpha$=14.80

i:31, Time:From:22.21,via:22.46,to:22.71,$B_t$0.43Azooz fit: $a_1$=+4.074e+00,$a_2$=18.92,$a_3$=+3.251e+01,$a_4$=2.35Class fit: $I_{sat}$=1.59,$\varphi_{pl}$=-16.32,$T_e$=9.37,$Ratio_{sat}$=0.02,$\varphi_{fl}$=25.80,$\alpha$=12.45

i:32, Time:From:22.71,via:22.96,to:23.21,$B_t$0.43Azooz fit: $a_1$=+3.739e+00,$a_2$=8.70,$a_3$=+1.990e+01,$a_4$=1.55Class fit: $I_{sat}$=1.58,$\varphi_{pl}$=-17.45,$T_e$=10.62,$Ratio_{sat}$=0.01,$\varphi_{fl}$=27.74,$\alpha$=11.93

i:33, Time:From:23.21,via:23.46,to:23.70,$B_t$0.43Azooz fit: $a_1$=+3.723e+00,$a_2$=14.70,$a_3$=+3.432e+01,$a_4$=1.88Class fit: $I_{sat}$=1.61,$\varphi_{pl}$=-10.71,$T_e$=10.87,$Ratio_{sat}$=0.01,$\varphi_{fl}$=22.67,$\alpha$=11.85

i:34, Time:From:23.70,via:23.96,to:24.21,$B_t$0.43Azooz fit: $a_1$=+3.333e+00,$a_2$=16.13,$a_3$=+2.817e+01,$a_4$=1.51Class fit: $I_{sat}$=1.91,$\varphi_{pl}$=-19.05,$T_e$=15.24,$Ratio_{sat}$=0.00,$\varphi_{fl}$=19.09,$\alpha$=9.19

i:35, Time:From:24.21,via:24.45,to:24.70,$B_t$0.43Azooz fit: $a_1$=+3.487e+00,$a_2$=27.81,$a_3$=+5.846e+01,$a_4$=1.93Class fit: $I_{sat}$=20.49,$\varphi_{pl}$=-16.29,$T_e$=279.05,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=17.62,$\alpha$=8.66

i:36, Time:From:24.70,via:24.95,to:25.20,$B_t$0.43Azooz fit: $a_1$=+2.941e+00,$a_2$=10.45,$a_3$=+2.816e+01,$a_4$=0.91Class fit: $I_{sat}$=0.37,$\varphi_{pl}$=-14.50,$T_e$=5.16,$Ratio_{sat}$=0.04,$\varphi_{fl}$=20.68,$\alpha$=7.83

i:37, Time:From:25.20,via:25.45,to:25.70,$B_t$0.43Azooz fit: $a_1$=+2.703e+00,$a_2$=20.89,$a_3$=+4.135e+01,$a_4$=1.31Class fit: $I_{sat}$=0.22,$\varphi_{pl}$=-10.02,$T_e$=2.85,$Ratio_{sat}$=0.07,$\varphi_{fl}$=11.78,$\alpha$=7.05

i:38, Time:From:25.70,via:25.95,to:26.20,$B_t$0.43Azooz fit: $a_1$=+2.028e+00,$a_2$=0.71,$a_3$=+1.353e+01,$a_4$=0.86Class fit: $I_{sat}$=0.52,$\varphi_{pl}$=-10.40,$T_e$=9.55,$Ratio_{sat}$=0.02,$\varphi_{fl}$=8.50,$\alpha$=6.86

Experimental Photo

Resources

• Jupyter notebook
• Jupyter notebook python export
• Jupyter notebook html export
• Jupyter notebook pdf export

References

• Aasim Azooz: Langmuir probe data analysis code. Mathworks.