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BPP experiments @ the tokamak GOLEM

Essential parameters:

  • Current resistor $R=$20 $\Omega$
  • Voltage divider: 1:100
  • The shot: 23447
  • The DAS used: Papouch_St
  • $U_{B_t}$=1300
  • Vacuum shot /plasma position issues/:23448
  • Voltage shift=20.0

Experimental setup

Ball pen probe @ North-East port


setup

The discharge #23447

Basic diagnostics


Plasma start:6690 us Plasma end:30830 us

The BPP data vs diagnostics


Reference shot data

The BPP raw data


Maxima and minima localization in bpp_voltage


Extrems
minima
maxima

Final movie


Individual figures .dat format: VAchar_voltage,VAchar_current,VAchar_voltage_smoothed,VAchar_current_smoothed,Azooz fit,dAzoozFit/dVoltage,ClassicFit
i: 0, Time:From:7.21,via:7.71,to:8.21,$B_t$0.13Azooz fit: $a_1$=+3.653e+00,$a_2$=16.16,$a_3$=+2.474e+01,$a_4$=6.03Class fit: $I_{sat}$=2.38,$V^{BPP.LP}_{fl}$=-5.01,$T_e$=7.11,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=7.37,$\alpha$=20.61
i: 1, Time:From:8.21,via:8.71,to:9.22,$B_t$0.17Azooz fit: $a_1$=+5.078e+00,$a_2$=58.32,$a_3$=+5.995e+01,$a_4$=7.28Class fit: $I_{sat}$=3.18,$V^{BPP.LP}_{fl}$=-33.65,$T_e$=7.22,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=23.03,$\alpha$=13.28
i: 2, Time:From:9.22,via:9.72,to:10.22,$B_t$0.21Azooz fit: $a_1$=+4.600e+00,$a_2$=46.24,$a_3$=+3.381e+01,$a_4$=-0.56Class fit: $I_{sat}$=1.40,$V^{BPP.LP}_{fl}$=-64.35,$T_e$=9.57,$Ratio_{sat}$=0.02,$\varphi^{BPP}_{pl}$=-179.80,$\alpha$=5.42
i: 3, Time:From:10.22,via:10.73,to:11.23,$B_t$0.25Azooz fit: $a_1$=+3.387e+00,$a_2$=20.96,$a_3$=+1.147e+01,$a_4$=-0.26Class fit: $I_{sat}$=1.66,$V^{BPP.LP}_{fl}$=-63.31,$T_e$=15.12,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=-128.19,$\alpha$=5.61
i: 4, Time:From:11.23,via:11.73,to:12.23,$B_t$0.29Azooz fit: $a_1$=+3.803e+00,$a_2$=27.58,$a_3$=+2.181e+01,$a_4$=0.87Class fit: $I_{sat}$=0.68,$V^{BPP.LP}_{fl}$=-35.77,$T_e$=5.83,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=51.09,$\alpha$=9.45
i: 5, Time:From:12.23,via:12.74,to:13.25,$B_t$0.32Azooz fit: $a_1$=+3.032e+00,$a_2$=7.26,$a_3$=+1.127e+01,$a_4$=0.73Class fit: $I_{sat}$=0.64,$V^{BPP.LP}_{fl}$=-25.06,$T_e$=10.25,$Ratio_{sat}$=0.02,$\varphi^{BPP}_{pl}$=27.50,$\alpha$=9.89
i: 6, Time:From:13.25,via:13.75,to:14.25,$B_t$0.35Azooz fit: $a_1$=+3.510e+00,$a_2$=38.44,$a_3$=+6.277e+01,$a_4$=1.86Class fit: $I_{sat}$=0.59,$V^{BPP.LP}_{fl}$=-20.66,$T_e$=5.86,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=18.70,$\alpha$=9.44
i: 7, Time:From:14.25,via:14.75,to:15.26,$B_t$0.38Azooz fit: $a_1$=+4.135e+00,$a_2$=38.40,$a_3$=+7.497e+01,$a_4$=1.67Class fit: $I_{sat}$=1.27,$V^{BPP.LP}_{fl}$=-20.29,$T_e$=10.13,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=38.04,$\alpha$=10.09
i: 8, Time:From:15.26,via:15.76,to:16.26,$B_t$0.41Azooz fit: $a_1$=+3.183e+00,$a_2$=16.61,$a_3$=+2.482e+01,$a_4$=1.11Class fit: $I_{sat}$=0.50,$V^{BPP.LP}_{fl}$=-19.41,$T_e$=5.99,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=21.86,$\alpha$=9.74
i: 9, Time:From:16.26,via:16.77,to:17.27,$B_t$0.43Azooz fit: $a_1$=+3.362e+00,$a_2$=10.92,$a_3$=+1.749e+01,$a_4$=0.99Class fit: $I_{sat}$=0.48,$V^{BPP.LP}_{fl}$=-15.68,$T_e$=4.84,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=29.18,$\alpha$=9.81
i:10, Time:From:17.27,via:17.77,to:18.27,$B_t$0.45Azooz fit: $a_1$=+3.052e+00,$a_2$=26.03,$a_3$=+1.730e+01,$a_4$=1.79Class fit: $I_{sat}$=1.49,$V^{BPP.LP}_{fl}$=-30.49,$T_e$=11.71,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=12.51,$\alpha$=10.83
i:11, Time:From:18.27,via:18.78,to:19.29,$B_t$0.47Azooz fit: $a_1$=+4.281e+00,$a_2$=35.24,$a_3$=+4.925e+01,$a_4$=1.79Class fit: $I_{sat}$=1.81,$V^{BPP.LP}_{fl}$=-27.39,$T_e$=10.07,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=41.04,$\alpha$=12.14
i:12, Time:From:19.29,via:19.79,to:20.29,$B_t$0.48Azooz fit: $a_1$=+4.669e+00,$a_2$=47.37,$a_3$=+7.151e+01,$a_4$=2.37Class fit: $I_{sat}$=0.71,$V^{BPP.LP}_{fl}$=-26.69,$T_e$=5.63,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=45.69,$\alpha$=11.59
i:13, Time:From:20.29,via:20.80,to:21.30,$B_t$0.49Azooz fit: $a_1$=+4.023e+00,$a_2$=10.69,$a_3$=+1.201e+01,$a_4$=0.62Class fit: $I_{sat}$=0.89,$V^{BPP.LP}_{fl}$=-28.52,$T_e$=6.50,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=88.47,$\alpha$=12.22
i:14, Time:From:21.30,via:21.80,to:22.30,$B_t$0.50Azooz fit: $a_1$=+3.751e+00,$a_2$=19.35,$a_3$=+1.874e+01,$a_4$=0.89Class fit: $I_{sat}$=1.37,$V^{BPP.LP}_{fl}$=-27.79,$T_e$=10.01,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=47.41,$\alpha$=10.57
i:15, Time:From:22.30,via:22.80,to:23.31,$B_t$0.50Azooz fit: $a_1$=+3.677e+00,$a_2$=24.60,$a_3$=+2.210e+01,$a_4$=1.38Class fit: $I_{sat}$=2.00,$V^{BPP.LP}_{fl}$=-29.95,$T_e$=12.74,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=29.19,$\alpha$=12.72
i:16, Time:From:23.31,via:23.81,to:24.32,$B_t$0.51Azooz fit: $a_1$=+3.346e+00,$a_2$=17.33,$a_3$=+2.278e+01,$a_4$=1.48Class fit: $I_{sat}$=0.67,$V^{BPP.LP}_{fl}$=-18.22,$T_e$=5.23,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=19.69,$\alpha$=9.59
i:17, Time:From:24.32,via:24.82,to:25.33,$B_t$0.51Azooz fit: $a_1$=+3.039e+00,$a_2$=26.43,$a_3$=+1.600e+01,$a_4$=1.21Class fit: $I_{sat}$=0.62,$V^{BPP.LP}_{fl}$=-31.17,$T_e$=5.71,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=17.62,$\alpha$=9.00
i:18, Time:From:25.33,via:25.83,to:26.33,$B_t$0.50Azooz fit: $a_1$=+2.912e+00,$a_2$=23.04,$a_3$=+4.577e+01,$a_4$=0.72Class fit: $I_{sat}$=0.60,$V^{BPP.LP}_{fl}$=-26.17,$T_e$=13.60,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=24.58,$\alpha$=2.26
i:19, Time:From:26.33,via:26.84,to:27.34,$B_t$0.50Azooz fit: $a_1$=+1.231e+00,$a_2$=14.84,$a_3$=+1.666e+01,$a_4$=0.62Class fit: $I_{sat}$=0.25,$V^{BPP.LP}_{fl}$=-27.86,$T_e$=11.94,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=4.43,$\alpha$=0.52
i:20, Time:From:27.34,via:27.84,to:28.34,$B_t$0.49Azooz fit: $a_1$=+3.008e+00,$a_2$=37.41,$a_3$=+1.240e+01,$a_4$=0.80Class fit: $I_{sat}$=1.90,$V^{BPP.LP}_{fl}$=-59.83,$T_e$=12.72,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=24.81,$\alpha$=9.46
i:21, Time:From:28.34,via:28.85,to:29.35,$B_t$0.48Azooz fit: $a_1$=+4.632e+00,$a_2$=32.08,$a_3$=+5.485e+01,$a_4$=2.14Class fit: $I_{sat}$=1.65,$V^{BPP.LP}_{fl}$=-34.28,$T_e$=12.60,$Ratio_{sat}$=0.02,$\varphi^{BPP}_{pl}$=48.74,$\alpha$=25.46

$i$Time$B_t$ Azooz fit parameters
$I(a,V_{bias})=\exp[a_1 \tanh\{(V_{bias}+a_2)/a_3\}]+a_4$
Classical fit parameters
$I(V_{bias},I_{sat},V^{BPP.LP}_{fl},T_e,C)=-I_{sat}*(1-C*(V_{bias}-V^{BPP.LP}_{fl}))*(1-\exp((V_{bias}-V^{BPP.LP}_{fl})/T_e)$
$Ratio_{sat}$$\varphi^{BPP}_{pl}$$\alpha$$Pl_{pos}$ [mm]
StartMiddleEnd $a_1$$a_2$$a_3$$a_4$ Inflex [V] $I_{sat}$$V^{BPP.LP}_{fl}$$T_e$C
0 7.21 7.71 8.21 0.13 3.65 16.16 24.74 6.03 8.74 2.38 -5.01 7.11 3.00E-02 7.37 20.61 3.61 -2.84
1 8.21 8.71 9.22 0.17 5.08 58.32 59.95 7.28 11.41 3.18 -33.65 7.22 3.00E-02 23.03 13.28 6.50 -2.56
2 9.22 9.72 10.22 0.21 4.60 46.24 33.81 -0.56 -8.53 1.40 -64.35 9.57 2.42E-02 -179.80 5.42 7.29 -2.19
3 10.22 10.73 11.23 0.25 3.39 20.96 11.47 -0.26 -9.91 1.66 -63.31 15.12 3.00E-02 -128.19 5.61 4.56 -0.86
4 11.23 11.73 12.23 0.29 3.80 27.58 21.81 0.87 -5.27 0.68 -35.77 5.83 3.00E-02 51.09 9.45 7.75 -0.48
5 12.23 12.74 13.25 0.32 3.03 7.26 11.27 0.73 3.03 0.64 -25.06 10.25 2.24E-02 27.50 9.89 3.41 1.15
6 13.25 13.75 14.25 0.35 3.51 38.44 62.77 1.86 23.38 0.59 -20.66 5.86 3.00E-02 18.70 9.44 5.14 2.02
7 14.25 14.75 15.26 0.38 4.13 38.40 74.97 1.67 41.37 1.27 -20.29 10.13 4.95E-19 38.04 10.09 3.00 1.77
8 15.26 15.76 16.26 0.41 3.18 16.61 24.82 1.11 6.72 0.50 -19.41 5.99 3.00E-02 21.86 9.74 4.87 2.07
9 16.26 16.77 17.27 0.43 3.36 10.92 17.49 0.99 5.90 0.48 -15.68 4.84 3.00E-02 29.18 9.81 5.27 1.35
10 17.27 17.77 18.27 0.45 3.05 26.03 17.30 1.79 -10.20 1.49 -30.49 11.71 1.36E-02 12.51 10.83 3.53 0.41
11 18.27 18.78 19.29 0.47 4.28 35.24 49.25 1.79 17.97 1.81 -27.39 10.07 1.76E-18 41.04 12.14 3.93 -0.22
12 19.29 19.79 20.29 0.48 4.67 47.37 71.51 2.37 32.98 0.71 -26.69 5.63 3.00E-02 45.69 11.59 6.80 -1.06
13 20.29 20.80 21.30 0.49 4.02 10.69 12.01 0.62 1.94 0.89 -28.52 6.50 3.00E-02 88.47 12.22 6.27 -1.82
14 21.30 21.80 22.30 0.50 3.75 19.35 18.74 0.89 -0.33 1.37 -27.79 10.01 1.37E-03 47.41 10.57 3.83 -2.08
15 22.30 22.80 23.31 0.50 3.68 24.60 22.10 1.38 -2.40 2.00 -29.95 12.74 6.00E-19 29.19 12.72 3.35 -3.26
16 23.31 23.81 24.32 0.51 3.35 17.33 22.78 1.48 4.63 0.67 -18.22 5.23 3.00E-02 19.69 9.59 5.32 -3.20
17 24.32 24.82 25.33 0.51 3.04 26.43 16.00 1.21 -11.75 0.62 -31.17 5.71 3.00E-02 17.62 9.00 7.04 -2.90
18 25.33 25.83 26.33 0.50 2.91 23.04 45.77 0.72 18.00 0.60 -26.17 13.60 1.38E-18 24.58 2.26 2.09 -0.47
19 26.33 26.84 27.34 0.50 1.23 14.84 16.66 0.62 -6.18 0.25 -27.86 11.94 1.30E-02 4.43 0.52 2.38 1.09
20 27.34 27.84 28.34 0.49 3.01 37.41 12.40 0.80 -26.15 1.90 -59.83 12.72 3.00E-02 24.81 9.46 5.45 -4.49
21 28.34 28.85 29.35 0.48 4.63 32.08 54.85 2.14 29.27 1.65 -34.28 12.60 2.08E-02 48.74 25.46 4.74 -3.16

data

Experimental Photo

Resources

References