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BPP experiments @ the tokamak GOLEM

Essential parameters:

Experimental setup

Ball pen probe @ North-East port

setup

The discharge #23295

Basic diagnostics

Plasma start:6530 us Plasma end:26950 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:6.71,via:6.95,to:7.20,$B_t$0.08Azooz fit: $a_1$=+3.568e+00,$a_2$=22.79,$a_3$=+2.023e+01,$a_4$=3.08Class fit: $I_{sat}$=1.43,$\varphi_{pl}$=-20.11,$T_e$=5.68,$Ratio_{sat}$=0.03,$\varphi_{fl}$=12.38,$\alpha$=5.84

i: 1, Time:From:7.20,via:7.45,to:7.70,$B_t$0.11Azooz fit: $a_1$=+4.960e+00,$a_2$=36.70,$a_3$=+4.226e+01,$a_4$=4.57Class fit: $I_{sat}$=5.53,$\varphi_{pl}$=-24.10,$T_e$=11.61,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=32.16,$\alpha$=8.25

i: 2, Time:From:7.70,via:7.95,to:8.20,$B_t$0.13Azooz fit: $a_1$=+4.903e+00,$a_2$=46.53,$a_3$=+4.349e+01,$a_4$=2.22Class fit: $I_{sat}$=156.49,$\varphi_{pl}$=-45.34,$T_e$=585.47,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=61.41,$\alpha$=8.35

i: 3, Time:From:8.20,via:8.45,to:8.70,$B_t$0.15Azooz fit: $a_1$=+4.914e+00,$a_2$=65.71,$a_3$=+6.311e+01,$a_4$=2.60Class fit: $I_{sat}$=1.83,$\varphi_{pl}$=-55.71,$T_e$=14.38,$Ratio_{sat}$=0.02,$\varphi_{fl}$=53.27,$\alpha$=1.63

i: 4, Time:From:8.70,via:8.94,to:9.19,$B_t$0.16Azooz fit: $a_1$=+4.863e+00,$a_2$=70.42,$a_3$=+7.101e+01,$a_4$=2.01Class fit: $I_{sat}$=21031.08,$\varphi_{pl}$=-61.40,$T_e$=107691.28,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=65.20,$\alpha$=-2.36

i: 5, Time:From:9.19,via:9.44,to:9.69,$B_t$0.18Azooz fit: $a_1$=+4.905e+00,$a_2$=62.30,$a_3$=+5.627e+01,$a_4$=0.68Class fit: $I_{sat}$=3.01,$\varphi_{pl}$=-67.90,$T_e$=20.50,$Ratio_{sat}$=0.02,$\varphi_{fl}$=197.91,$\alpha$=-3.45

i: 6, Time:From:9.69,via:9.94,to:10.18,$B_t$0.20Azooz fit: $a_1$=+4.858e+00,$a_2$=75.38,$a_3$=+6.244e+01,$a_4$=2.42Class fit: $I_{sat}$=-11.75,$\varphi_{pl}$=102.69,$T_e$=3.77,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=53.96,$\alpha$=-1.88

i: 7, Time:From:10.18,via:10.44,to:10.70,$B_t$0.22Azooz fit: $a_1$=+4.924e+00,$a_2$=53.87,$a_3$=+4.291e+01,$a_4$=-0.89Class fit: $I_{sat}$=24750.04,$\varphi_{pl}$=-75.53,$T_e$=43675.44,$Ratio_{sat}$=-0.08,$\varphi_{fl}$=-154.14,$\alpha$=4.41

i: 8, Time:From:10.70,via:10.94,to:11.19,$B_t$0.24Azooz fit: $a_1$=+4.893e+00,$a_2$=59.26,$a_3$=+5.002e+01,$a_4$=0.94Class fit: $I_{sat}$=581.30,$\varphi_{pl}$=-66.74,$T_e$=2474.93,$Ratio_{sat}$=0.00,$\varphi_{fl}$=141.85,$\alpha$=3.16

i: 9, Time:From:11.19,via:11.44,to:11.69,$B_t$0.25Azooz fit: $a_1$=+4.927e+00,$a_2$=68.48,$a_3$=+4.915e+01,$a_4$=2.76Class fit: $I_{sat}$=23.00,$\varphi_{pl}$=-61.96,$T_e$=78.94,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=50.83,$\alpha$=4.53

i:10, Time:From:11.69,via:11.94,to:12.18,$B_t$0.27Azooz fit: $a_1$=+4.902e+00,$a_2$=46.09,$a_3$=+3.513e+01,$a_4$=0.97Class fit: $I_{sat}$=3.47,$\varphi_{pl}$=-49.89,$T_e$=19.98,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=138.86,$\alpha$=0.66

i:11, Time:From:12.18,via:12.43,to:12.69,$B_t$0.29Azooz fit: $a_1$=+5.114e+00,$a_2$=50.35,$a_3$=+4.205e+01,$a_4$=-1.05Class fit: $I_{sat}$=4.46,$\varphi_{pl}$=-66.70,$T_e$=3.07,$Ratio_{sat}$=-0.04,$\varphi_{fl}$=-158.90,$\alpha$=4.95

i:12, Time:From:12.69,via:12.94,to:13.19,$B_t$0.30Azooz fit: $a_1$=+5.555e+00,$a_2$=99.81,$a_3$=+9.364e+01,$a_4$=6.44Class fit: $I_{sat}$=19467.21,$\varphi_{pl}$=-63.39,$T_e$=91077.05,$Ratio_{sat}$=0.01,$\varphi_{fl}$=41.12,$\alpha$=3.37

i:13, Time:From:13.19,via:13.43,to:13.68
!!Azooz fit problem! -> No Fits !




data

i:14, Time:From:13.68,via:13.93,to:14.18,$B_t$0.33Azooz fit: $a_1$=+5.304e+00,$a_2$=63.97,$a_3$=+6.421e+01,$a_4$=1.64Class fit: $I_{sat}$=-162589.99,$\varphi_{pl}$=-58.63,$T_e$=-321387.11,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=123.67,$\alpha$=1.41

i:15, Time:From:14.18,via:14.43,to:14.68,$B_t$0.34Azooz fit: $a_1$=+6.068e+00,$a_2$=161.04,$a_3$=+1.660e+02,$a_4$=27.00Class fit: $I_{sat}$=63992.01,$\varphi_{pl}$=-47.69,$T_e$=694572.74,$Ratio_{sat}$=0.02,$\varphi_{fl}$=17.00,$\alpha$=4.19

i:16, Time:From:14.68,via:14.92,to:15.17,$B_t$0.36Azooz fit: $a_1$=+5.309e+00,$a_2$=52.35,$a_3$=+6.094e+01,$a_4$=3.59Class fit: $I_{sat}$=5.05,$\varphi_{pl}$=-50.25,$T_e$=12.76,$Ratio_{sat}$=0.03,$\varphi_{fl}$=57.28,$\alpha$=2.37

i:17, Time:From:15.17,via:15.42,to:15.68
!!Azooz fit problem! -> No Fits !




data

i:18, Time:From:15.68,via:15.92,to:16.16,$B_t$0.38Azooz fit: $a_1$=+5.616e+00,$a_2$=59.47,$a_3$=+8.684e+01,$a_4$=6.28Class fit: $I_{sat}$=107421.56,$\varphi_{pl}$=-33.95,$T_e$=324061.79,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=44.75,$\alpha$=2.15

i:19, Time:From:16.16,via:16.41,to:16.66,$B_t$0.39Azooz fit: $a_1$=+4.889e+00,$a_2$=17.49,$a_3$=+2.301e+01,$a_4$=-4.85Class fit: $I_{sat}$=7.72,$\varphi_{pl}$=-84.60,$T_e$=-1.87,$Ratio_{sat}$=0.05,$\varphi_{fl}$=-26.39,$\alpha$=2.45

i:20, Time:From:16.66,via:16.91,to:17.16
!!Azooz fit problem! -> No Fits !




data

i:21, Time:From:17.16,via:17.41,to:17.66,$B_t$0.41Azooz fit: $a_1$=+4.432e+00,$a_2$=25.49,$a_3$=+1.796e+01,$a_4$=0.47Class fit: $I_{sat}$=2.20,$\varphi_{pl}$=-42.22,$T_e$=11.22,$Ratio_{sat}$=0.01,$\varphi_{fl}$=174.19,$\alpha$=3.88

i:22, Time:From:17.66,via:17.91,to:18.17,$B_t$0.42Azooz fit: $a_1$=+4.865e+00,$a_2$=22.88,$a_3$=+2.124e+01,$a_4$=-1.96Class fit: $I_{sat}$=5.55,$\varphi_{pl}$=-83.37,$T_e$=-0.33,$Ratio_{sat}$=0.03,$\varphi_{fl}$=-65.44,$\alpha$=7.09

i:23, Time:From:18.17,via:18.41,to:18.66,$B_t$0.43Azooz fit: $a_1$=+5.023e+00,$a_2$=29.76,$a_3$=+4.321e+01,$a_4$=0.96Class fit: $I_{sat}$=0.78,$\varphi_{pl}$=-27.22,$T_e$=4.59,$Ratio_{sat}$=0.04,$\varphi_{fl}$=157.68,$\alpha$=18.85

i:24, Time:From:18.66,via:18.91,to:19.16
!!Azooz fit problem! -> No Fits !




data

i:25, Time:From:19.16,via:19.41,to:19.66,$B_t$0.44Azooz fit: $a_1$=+5.238e+00,$a_2$=63.37,$a_3$=+7.763e+01,$a_4$=3.60Class fit: $I_{sat}$=6.76,$\varphi_{pl}$=-46.53,$T_e$=22.45,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=53.26,$\alpha$=20.67

i:26, Time:From:19.66,via:19.91,to:20.15,$B_t$0.45Azooz fit: $a_1$=+5.281e+00,$a_2$=32.29,$a_3$=+5.501e+01,$a_4$=3.06Class fit: $I_{sat}$=6.34,$\varphi_{pl}$=-25.33,$T_e$=15.63,$Ratio_{sat}$=-0.00,$\varphi_{fl}$=65.12,$\alpha$=19.60

i:27, Time:From:20.15,via:20.40,to:20.66,$B_t$0.45Azooz fit: $a_1$=+4.410e+00,$a_2$=56.61,$a_3$=+4.742e+01,$a_4$=3.46Class fit: $I_{sat}$=32719.67,$\varphi_{pl}$=-47.36,$T_e$=113885.17,$Ratio_{sat}$=-0.02,$\varphi_{fl}$=24.70,$\alpha$=19.58

i:28, Time:From:20.66,via:20.90,to:21.15,$B_t$0.46Azooz fit: $a_1$=+4.492e+00,$a_2$=16.87,$a_3$=+3.552e+01,$a_4$=-0.47Class fit: $I_{sat}$=-1494.04,$\varphi_{pl}$=-42.13,$T_e$=-13807.05,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=-195.66,$\alpha$=19.21

i:29, Time:From:21.15,via:21.40,to:21.65,$B_t$0.46Azooz fit: $a_1$=+3.443e+00,$a_2$=38.76,$a_3$=+3.571e+01,$a_4$=1.94Class fit: $I_{sat}$=0.78,$\varphi_{pl}$=-31.13,$T_e$=5.23,$Ratio_{sat}$=0.04,$\varphi_{fl}$=16.85,$\alpha$=19.84

i:30, Time:From:21.65,via:21.89,to:22.14,$B_t$0.46Azooz fit: $a_1$=+3.601e+00,$a_2$=23.14,$a_3$=+2.428e+01,$a_4$=0.62Class fit: $I_{sat}$=1.24,$\varphi_{pl}$=-34.37,$T_e$=10.98,$Ratio_{sat}$=0.01,$\varphi_{fl}$=57.91,$\alpha$=14.74

i:31, Time:From:22.14,via:22.39,to:22.64
!!Azooz fit problem! -> No Fits !




data

i:32, Time:From:22.64,via:22.89,to:23.14,$B_t$0.47Azooz fit: $a_1$=+4.545e+00,$a_2$=63.67,$a_3$=+7.952e+01,$a_4$=4.76Class fit: $I_{sat}$=21.78,$\varphi_{pl}$=-37.06,$T_e$=102.62,$Ratio_{sat}$=-0.01,$\varphi_{fl}$=20.71,$\alpha$=11.75

i:33, Time:From:23.14,via:23.39,to:23.64,$B_t$0.47Azooz fit: $a_1$=+4.404e+00,$a_2$=57.68,$a_3$=+6.244e+01,$a_4$=4.30Class fit: $I_{sat}$=2.21,$\varphi_{pl}$=-37.91,$T_e$=10.98,$Ratio_{sat}$=0.03,$\varphi_{fl}$=19.96,$\alpha$=12.42

i:34, Time:From:23.64,via:23.89,to:24.14,$B_t$0.47Azooz fit: $a_1$=+4.368e+00,$a_2$=12.96,$a_3$=+2.755e+01,$a_4$=1.40Class fit: $I_{sat}$=1.58,$\varphi_{pl}$=-22.74,$T_e$=9.14,$Ratio_{sat}$=0.02,$\varphi_{fl}$=56.74,$\alpha$=8.84

i:35, Time:From:24.14,via:24.39,to:24.64,$B_t$0.47Azooz fit: $a_1$=+4.170e+00,$a_2$=32.86,$a_3$=+4.940e+01,$a_4$=2.69Class fit: $I_{sat}$=2.74,$\varphi_{pl}$=-24.92,$T_e$=18.88,$Ratio_{sat}$=0.00,$\varphi_{fl}$=24.91,$\alpha$=8.89

i:36, Time:From:24.64,via:24.89,to:25.13,$B_t$0.47Azooz fit: $a_1$=+4.537e+00,$a_2$=40.11,$a_3$=+7.497e+01,$a_4$=3.34Class fit: $I_{sat}$=0.87,$\varphi_{pl}$=-9.94,$T_e$=5.07,$Ratio_{sat}$=0.04,$\varphi_{fl}$=28.83,$\alpha$=7.60

i:37, Time:From:25.13,via:25.38,to:25.63,$B_t$0.47Azooz fit: $a_1$=+3.204e+00,$a_2$=8.48,$a_3$=+1.828e+01,$a_4$=1.87Class fit: $I_{sat}$=1.58,$\varphi_{pl}$=-9.06,$T_e$=9.28,$Ratio_{sat}$=0.01,$\varphi_{fl}$=13.86,$\alpha$=7.92

i:38, Time:From:25.63,via:25.88,to:26.13,$B_t$0.46Azooz fit: $a_1$=+3.252e+00,$a_2$=6.58,$a_3$=+2.415e+01,$a_4$=1.36Class fit: $I_{sat}$=0.52,$\varphi_{pl}$=-7.57,$T_e$=4.65,$Ratio_{sat}$=0.04,$\varphi_{fl}$=19.50,$\alpha$=6.82

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.