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BPP experiments @ the tokamak GOLEM

Essential parameters:

Experimental setup

Ball pen probe @ North-East port

setup

The discharge #23296

Basic diagnostics

Plasma start:6570 us Plasma end:28070 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:7.02,via:7.27,to:7.52,$B_t$0.11Azooz fit: $a_1$=+4.804e+00,$a_2$=35.86,$a_3$=+4.465e+01,$a_4$=3.27Class fit: $I_{sat}$=2.69,$\varphi_{pl}$=-22.80,$T_e$=9.86,$Ratio_{sat}$=0.00,$\varphi_{fl}$=38.26,$\alpha$=12.92

i: 1, Time:From:7.52,via:7.77,to:8.02,$B_t$0.13Azooz fit: $a_1$=+4.900e+00,$a_2$=45.21,$a_3$=+4.572e+01,$a_4$=5.05Class fit: $I_{sat}$=2.21,$\varphi_{pl}$=-29.91,$T_e$=7.00,$Ratio_{sat}$=0.04,$\varphi_{fl}$=27.55,$\alpha$=12.53

i: 2, Time:From:8.02,via:8.27,to:8.52,$B_t$0.15Azooz fit: $a_1$=+4.727e+00,$a_2$=40.51,$a_3$=+3.862e+01,$a_4$=3.21Class fit: $I_{sat}$=5.83,$\varphi_{pl}$=-41.53,$T_e$=23.78,$Ratio_{sat}$=0.01,$\varphi_{fl}$=36.08,$\alpha$=13.13

i: 3, Time:From:8.52,via:8.77,to:9.02,$B_t$0.17Azooz fit: $a_1$=+4.796e+00,$a_2$=51.27,$a_3$=+4.962e+01,$a_4$=0.70Class fit: $I_{sat}$=27689.60,$\varphi_{pl}$=-60.37,$T_e$=172038.86,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=172.52,$\alpha$=12.94

i: 4, Time:From:9.02,via:9.27,to:9.51,$B_t$0.19Azooz fit: $a_1$=+4.894e+00,$a_2$=66.21,$a_3$=+5.376e+01,$a_4$=-0.25Class fit: $I_{sat}$=35398.18,$\varphi_{pl}$=-97.60,$T_e$=-118664.88,$Ratio_{sat}$=0.04,$\varphi_{fl}$=-549.80,$\alpha$=10.63

i: 5, Time:From:9.51,via:9.77,to:10.02,$B_t$0.21Azooz fit: $a_1$=+5.024e+00,$a_2$=86.77,$a_3$=+8.076e+01,$a_4$=2.76Class fit: $I_{sat}$=1.21,$\varphi_{pl}$=-75.94,$T_e$=6.29,$Ratio_{sat}$=0.07,$\varphi_{fl}$=55.83,$\alpha$=10.62

i: 6, Time:From:10.02,via:10.26,to:10.51,$B_t$0.23Azooz fit: $a_1$=+4.777e+00,$a_2$=51.45,$a_3$=+3.730e+01,$a_4$=-1.84Class fit: $I_{sat}$=3.20,$\varphi_{pl}$=-86.63,$T_e$=-12.07,$Ratio_{sat}$=0.07,$\varphi_{fl}$=-64.03,$\alpha$=7.18

i: 7, Time:From:10.51,via:10.76,to:11.01,$B_t$0.25Azooz fit: $a_1$=+4.809e+00,$a_2$=58.77,$a_3$=+4.639e+01,$a_4$=0.57Class fit: $I_{sat}$=44887.12,$\varphi_{pl}$=-106.37,$T_e$=-219429.68,$Ratio_{sat}$=0.02,$\varphi_{fl}$=214.58,$\alpha$=6.92

i: 8, Time:From:11.01,via:11.26,to:11.51,$B_t$0.27Azooz fit: $a_1$=+4.820e+00,$a_2$=54.11,$a_3$=+3.970e+01,$a_4$=-0.15Class fit: $I_{sat}$=0.76,$\varphi_{pl}$=-71.08,$T_e$=4.52,$Ratio_{sat}$=0.19,$\varphi_{fl}$=-872.95,$\alpha$=6.44

i: 9, Time:From:11.51,via:11.76,to:12.01,$B_t$0.29Azooz fit: $a_1$=+4.997e+00,$a_2$=54.41,$a_3$=+4.673e+01,$a_4$=-1.52Class fit: $I_{sat}$=35.09,$\varphi_{pl}$=-68.00,$T_e$=34986.31,$Ratio_{sat}$=8.81,$\varphi_{fl}$=-96.55,$\alpha$=9.98

i:10, Time:From:12.01,via:12.25,to:12.50,$B_t$0.30Azooz fit: $a_1$=+5.082e+00,$a_2$=67.28,$a_3$=+5.816e+01,$a_4$=-1.01Class fit: $I_{sat}$=3.33,$\varphi_{pl}$=-84.50,$T_e$=-1.23,$Ratio_{sat}$=0.05,$\varphi_{fl}$=-160.10,$\alpha$=12.13

i:11, Time:From:12.50,via:12.76,to:13.01,$B_t$0.32Azooz fit: $a_1$=+5.320e+00,$a_2$=61.86,$a_3$=+6.155e+01,$a_4$=-0.05Class fit: $I_{sat}$=10.88,$\varphi_{pl}$=-87.22,$T_e$=-10.61,$Ratio_{sat}$=0.05,$\varphi_{fl}$=-4457.68,$\alpha$=15.24

i:12, Time:From:13.01,via:13.26,to:13.51,$B_t$0.34Azooz fit: $a_1$=+5.351e+00,$a_2$=40.91,$a_3$=+3.807e+01,$a_4$=-2.95Class fit: $I_{sat}$=41660.06,$\varphi_{pl}$=-48.24,$T_e$=126333.67,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=-70.53,$\alpha$=12.90

i:13, Time:From:13.51,via:13.76,to:14.01,$B_t$0.35Azooz fit: $a_1$=+5.268e+00,$a_2$=56.70,$a_3$=+4.801e+01,$a_4$=-4.03Class fit: $I_{sat}$=3.83,$\varphi_{pl}$=-84.02,$T_e$=-0.32,$Ratio_{sat}$=0.06,$\varphi_{fl}$=-47.16,$\alpha$=24.77

i:14, Time:From:14.01,via:14.25,to:14.50,$B_t$0.37Azooz fit: $a_1$=+5.010e+00,$a_2$=64.41,$a_3$=+5.139e+01,$a_4$=1.69Class fit: $I_{sat}$=3.63,$\varphi_{pl}$=-53.35,$T_e$=9.24,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=89.29,$\alpha$=31.77

i:15, Time:From:14.50,via:14.75,to:15.01,$B_t$0.38Azooz fit: $a_1$=+5.041e+00,$a_2$=51.90,$a_3$=+4.399e+01,$a_4$=-3.41Class fit: $I_{sat}$=-5.53,$\varphi_{pl}$=-71.85,$T_e$=13.81,$Ratio_{sat}$=-0.11,$\varphi_{fl}$=-44.44,$\alpha$=25.64

i:16, Time:From:15.01,via:15.25,to:15.49,$B_t$0.39Azooz fit: $a_1$=+5.236e+00,$a_2$=60.59,$a_3$=+6.393e+01,$a_4$=-2.48Class fit: $I_{sat}$=-3131.57,$\varphi_{pl}$=-68.33,$T_e$=-26374.30,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=-75.02,$\alpha$=36.30

i:17, Time:From:15.49,via:15.74,to:15.99,$B_t$0.41Azooz fit: $a_1$=+5.188e+00,$a_2$=49.18,$a_3$=+4.516e+01,$a_4$=0.13Class fit: $I_{sat}$=7.99,$\varphi_{pl}$=-87.52,$T_e$=-7.35,$Ratio_{sat}$=0.04,$\varphi_{fl}$=1337.33,$\alpha$=36.69

i:18, Time:From:15.99,via:16.24,to:16.49,$B_t$0.42Azooz fit: $a_1$=+4.991e+00,$a_2$=37.67,$a_3$=+3.536e+01,$a_4$=-3.70Class fit: $I_{sat}$=4.21,$\varphi_{pl}$=-86.96,$T_e$=-2.01,$Ratio_{sat}$=0.06,$\varphi_{fl}$=-38.81,$\alpha$=29.00

i:19, Time:From:16.49,via:16.74,to:16.99,$B_t$0.43Azooz fit: $a_1$=+5.088e+00,$a_2$=15.92,$a_3$=+2.605e+01,$a_4$=-9.75Class fit: $I_{sat}$=4.01,$\varphi_{pl}$=-83.99,$T_e$=-0.76,$Ratio_{sat}$=0.02,$\varphi_{fl}$=-15.62,$\alpha$=21.85

i:20, Time:From:16.99,via:17.24,to:17.49,$B_t$0.44Azooz fit: $a_1$=+5.274e+00,$a_2$=64.54,$a_3$=+5.591e+01,$a_4$=-0.07Class fit: $I_{sat}$=0.47,$\varphi_{pl}$=-73.55,$T_e$=1.80,$Ratio_{sat}$=0.70,$\varphi_{fl}$=-2842.05,$\alpha$=13.94

i:21, Time:From:17.49,via:17.74,to:17.99,$B_t$0.45Azooz fit: $a_1$=+5.539e+00,$a_2$=78.56,$a_3$=+7.811e+01,$a_4$=4.17Class fit: $I_{sat}$=72431.55,$\varphi_{pl}$=-57.72,$T_e$=232559.63,$Ratio_{sat}$=-0.03,$\varphi_{fl}$=61.96,$\alpha$=15.29

i:22, Time:From:17.99,via:18.24,to:18.49
!!Azooz fit problem! -> No Fits !




data

i:23, Time:From:18.49,via:18.74,to:18.98,$B_t$0.47Azooz fit: $a_1$=+4.975e+00,$a_2$=57.75,$a_3$=+4.646e+01,$a_4$=3.19Class fit: $I_{sat}$=35.65,$\varphi_{pl}$=-56.93,$T_e$=86.51,$Ratio_{sat}$=0.00,$\varphi_{fl}$=46.22,$\alpha$=11.22

i:24, Time:From:18.98,via:19.23,to:19.49,$B_t$0.47Azooz fit: $a_1$=+5.091e+00,$a_2$=52.76,$a_3$=+4.453e+01,$a_4$=1.10Class fit: $I_{sat}$=14.13,$\varphi_{pl}$=-57.84,$T_e$=28.54,$Ratio_{sat}$=0.01,$\varphi_{fl}$=148.35,$\alpha$=8.21

i:25, Time:From:19.49,via:19.73,to:19.98,$B_t$0.48Azooz fit: $a_1$=+4.915e+00,$a_2$=50.15,$a_3$=+4.389e+01,$a_4$=2.14Class fit: $I_{sat}$=1.32,$\varphi_{pl}$=-44.28,$T_e$=5.42,$Ratio_{sat}$=0.04,$\varphi_{fl}$=64.43,$\alpha$=7.01

i:26, Time:From:19.98,via:20.23,to:20.48,$B_t$0.49Azooz fit: $a_1$=+5.023e+00,$a_2$=87.56,$a_3$=+6.952e+01,$a_4$=6.26Class fit: $I_{sat}$=1.09,$\varphi_{pl}$=-58.26,$T_e$=2.13,$Ratio_{sat}$=0.11,$\varphi_{fl}$=25.26,$\alpha$=11.77

i:27, Time:From:20.48,via:20.73,to:20.98,$B_t$0.49Azooz fit: $a_1$=+5.100e+00,$a_2$=59.82,$a_3$=+5.806e+01,$a_4$=4.42Class fit: $I_{sat}$=1.17,$\varphi_{pl}$=-34.46,$T_e$=4.35,$Ratio_{sat}$=0.02,$\varphi_{fl}$=38.08,$\alpha$=6.76

i:28, Time:From:20.98,via:21.23,to:21.48,$B_t$0.50Azooz fit: $a_1$=+3.619e+00,$a_2$=44.92,$a_3$=+5.713e+01,$a_4$=2.27Class fit: $I_{sat}$=0.47,$\varphi_{pl}$=-28.81,$T_e$=3.89,$Ratio_{sat}$=0.07,$\varphi_{fl}$=17.25,$\alpha$=3.29

i:29, Time:From:21.48,via:21.73,to:21.98
!!Azooz fit problem! -> No Fits !




data

i:30, Time:From:21.98,via:22.23,to:22.48
!!Azooz fit problem! -> No Fits !




data

i:31, Time:From:22.48,via:22.73,to:22.98,$B_t$0.51Azooz fit: $a_1$=+4.701e+00,$a_2$=38.72,$a_3$=+3.890e+01,$a_4$=1.38Class fit: $I_{sat}$=8.24,$\varphi_{pl}$=-48.20,$T_e$=42.02,$Ratio_{sat}$=0.00,$\varphi_{fl}$=79.91,$\alpha$=32.81

i:32, Time:From:22.98,via:23.23,to:23.48,$B_t$0.51Azooz fit: $a_1$=+5.229e+00,$a_2$=41.77,$a_3$=+5.500e+01,$a_4$=0.97Class fit: $I_{sat}$=142.53,$\varphi_{pl}$=-52.07,$T_e$=754.40,$Ratio_{sat}$=0.00,$\varphi_{fl}$=191.69,$\alpha$=29.24

i:33, Time:From:23.48,via:23.73,to:23.97,$B_t$0.51Azooz fit: $a_1$=+5.259e+00,$a_2$=37.27,$a_3$=+5.697e+01,$a_4$=3.75Class fit: $I_{sat}$=11.14,$\varphi_{pl}$=-28.57,$T_e$=25.24,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=52.22,$\alpha$=28.33

i:34, Time:From:23.97,via:24.22,to:24.48,$B_t$0.51Azooz fit: $a_1$=+4.692e+00,$a_2$=25.69,$a_3$=+3.655e+01,$a_4$=3.67Class fit: $I_{sat}$=36.00,$\varphi_{pl}$=-26.58,$T_e$=103.70,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=30.60,$\alpha$=27.16

i:35, Time:From:24.48,via:24.72,to:24.97,$B_t$0.51Azooz fit: $a_1$=+4.841e+00,$a_2$=22.63,$a_3$=+4.800e+01,$a_4$=3.46Class fit: $I_{sat}$=5.06,$\varphi_{pl}$=-14.88,$T_e$=20.30,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=37.55,$\alpha$=26.32

i:36, Time:From:24.97,via:25.22,to:25.47,$B_t$0.51Azooz fit: $a_1$=+3.976e+00,$a_2$=12.68,$a_3$=+3.496e+01,$a_4$=3.24Class fit: $I_{sat}$=2.15,$\varphi_{pl}$=-3.14,$T_e$=9.32,$Ratio_{sat}$=0.01,$\varphi_{fl}$=17.38,$\alpha$=22.18

i:37, Time:From:25.47,via:25.72,to:25.97,$B_t$0.50Azooz fit: $a_1$=+3.771e+00,$a_2$=1.48,$a_3$=+3.474e+01,$a_4$=2.09Class fit: $I_{sat}$=1.97,$\varphi_{pl}$=8.51,$T_e$=8.75,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=21.55,$\alpha$=17.74

i:38, Time:From:25.97,via:26.22,to:26.47,$B_t$0.50Azooz fit: $a_1$=+2.910e+00,$a_2$=3.57,$a_3$=+3.006e+01,$a_4$=1.69Class fit: $I_{sat}$=0.87,$\varphi_{pl}$=3.65,$T_e$=7.51,$Ratio_{sat}$=0.01,$\varphi_{fl}$=11.49,$\alpha$=12.17

i:39, Time:From:26.47,via:26.71,to:26.96,$B_t$0.50Azooz fit: $a_1$=+3.248e+00,$a_2$=1.73,$a_3$=+3.027e+01,$a_4$=1.30Class fit: $I_{sat}$=1.75,$\varphi_{pl}$=-4.30,$T_e$=15.14,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=20.25,$\alpha$=11.02

i:40, Time:From:26.96,via:27.21,to:27.46,$B_t$0.49Azooz fit: $a_1$=+2.540e+00,$a_2$=-1.98,$a_3$=+2.053e+01,$a_4$=1.29Class fit: $I_{sat}$=0.92,$\varphi_{pl}$=-0.51,$T_e$=10.86,$Ratio_{sat}$=0.01,$\varphi_{fl}$=10.20,$\alpha$=9.61

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.