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BPP experiments @ the tokamak GOLEM

Essential parameters:

  • Current resistor $R=$20 $\Omega$
  • Voltage divider: 1:100
  • The shot: 23450
  • The DAS used: Papouch_St
  • $U_{B_t}$=1300
  • Vacuum shot /plasma position issues/:23448
  • Voltage shift=10.0

Experimental setup

Ball pen probe @ North-East port


setup

The discharge #23450

Basic diagnostics


Plasma start:6690 us Plasma end:30390 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:6.86,via:7.36,to:7.86,$B_t$0.11Azooz fit: $a_1$=+3.438e+00,$a_2$=22.69,$a_3$=+2.498e+01,$a_4$=4.89Class fit: $I_{sat}$=3.16,$V^{BPP.LP}_{fl}$=-11.56,$T_e$=10.76,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=7.31,$\alpha$=19.04
i: 1, Time:From:7.86,via:8.36,to:8.87,$B_t$0.15Azooz fit: $a_1$=+4.662e+00,$a_2$=17.18,$a_3$=+3.042e+01,$a_4$=5.52Class fit: $I_{sat}$=6.11,$V^{BPP.LP}_{fl}$=-11.46,$T_e$=8.91,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=20.16,$\alpha$=22.65
i: 2, Time:From:8.87,via:9.37,to:9.87,$B_t$0.19Azooz fit: $a_1$=+4.666e+00,$a_2$=31.63,$a_3$=+4.070e+01,$a_4$=0.42Class fit: $I_{sat}$=2.81,$V^{BPP.LP}_{fl}$=-57.33,$T_e$=13.18,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=246.50,$\alpha$=11.38
i: 3, Time:From:9.87,via:10.38,to:10.89,$B_t$0.23Azooz fit: $a_1$=+4.541e+00,$a_2$=70.19,$a_3$=+5.438e+01,$a_4$=2.17Class fit: $I_{sat}$=4.22,$V^{BPP.LP}_{fl}$=-66.50,$T_e$=30.00,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=43.97,$\alpha$=6.95
i: 4, Time:From:10.89,via:11.39,to:11.88,$B_t$0.27Azooz fit: $a_1$=+4.292e+00,$a_2$=32.02,$a_3$=+2.568e+01,$a_4$=0.47Class fit: $I_{sat}$=0.95,$V^{BPP.LP}_{fl}$=-39.34,$T_e$=5.25,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=152.25,$\alpha$=6.56
i: 5, Time:From:11.88,via:12.39,to:12.90,$B_t$0.31Azooz fit: $a_1$=+2.601e+00,$a_2$=17.87,$a_3$=+2.420e+01,$a_4$=0.70Class fit: $I_{sat}$=0.94,$V^{BPP.LP}_{fl}$=-26.85,$T_e$=28.71,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=18.33,$\alpha$=7.42
i: 6, Time:From:12.90,via:13.40,to:13.89,$B_t$0.34Azooz fit: $a_1$=+3.299e+00,$a_2$=43.45,$a_3$=+1.156e+01,$a_4$=0.80Class fit: $I_{sat}$=2.14,$V^{BPP.LP}_{fl}$=-57.91,$T_e$=30.00,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=33.29,$\alpha$=6.49
i: 7, Time:From:13.89,via:14.40,to:14.90,$B_t$0.37Azooz fit: $a_1$=+4.111e+00,$a_2$=52.10,$a_3$=+9.644e+01,$a_4$=2.28Class fit: $I_{sat}$=1.89,$V^{BPP.LP}_{fl}$=-29.19,$T_e$=30.00,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=27.53,$\alpha$=8.24
i: 8, Time:From:14.90,via:15.40,to:15.91,$B_t$0.40Azooz fit: $a_1$=+3.125e+00,$a_2$=38.52,$a_3$=+6.142e+01,$a_4$=1.39Class fit: $I_{sat}$=1.44,$V^{BPP.LP}_{fl}$=-29.96,$T_e$=29.09,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=16.81,$\alpha$=7.32
i: 9, Time:From:15.91,via:16.41,to:16.92,$B_t$0.42Azooz fit: $a_1$=+2.925e+00,$a_2$=22.40,$a_3$=+2.390e+01,$a_4$=1.10Class fit: $I_{sat}$=1.07,$V^{BPP.LP}_{fl}$=-21.95,$T_e$=10.10,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=17.13,$\alpha$=8.33
i:10, Time:From:16.92,via:17.42,to:17.92,$B_t$0.44Azooz fit: $a_1$=+2.936e+00,$a_2$=29.21,$a_3$=+3.696e+01,$a_4$=1.29Class fit: $I_{sat}$=1.52,$V^{BPP.LP}_{fl}$=-31.24,$T_e$=21.21,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=15.04,$\alpha$=7.97
i:11, Time:From:17.92,via:18.42,to:18.93,$B_t$0.46Azooz fit: $a_1$=+2.971e+00,$a_2$=29.42,$a_3$=+3.258e+01,$a_4$=1.31Class fit: $I_{sat}$=0.74,$V^{BPP.LP}_{fl}$=-24.92,$T_e$=5.10,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=15.33,$\alpha$=8.36
i:12, Time:From:18.93,via:19.43,to:19.93,$B_t$0.48Azooz fit: $a_1$=+2.695e+00,$a_2$=13.59,$a_3$=+1.140e+01,$a_4$=1.09Class fit: $I_{sat}$=0.48,$V^{BPP.LP}_{fl}$=-17.58,$T_e$=4.62,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=13.78,$\alpha$=7.74
i:13, Time:From:19.93,via:20.44,to:20.95,$B_t$0.49Azooz fit: $a_1$=+2.332e+00,$a_2$=24.05,$a_3$=+2.403e+01,$a_4$=1.22Class fit: $I_{sat}$=0.45,$V^{BPP.LP}_{fl}$=-21.62,$T_e$=5.26,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=8.76,$\alpha$=6.28
i:14, Time:From:20.95,via:21.44,to:21.94,$B_t$0.50Azooz fit: $a_1$=+2.590e+00,$a_2$=13.28,$a_3$=+1.822e+01,$a_4$=0.79Class fit: $I_{sat}$=0.50,$V^{BPP.LP}_{fl}$=-16.58,$T_e$=5.09,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=16.29,$\alpha$=4.97
i:15, Time:From:21.94,via:22.45,to:22.95,$B_t$0.50Azooz fit: $a_1$=+2.048e+00,$a_2$=16.64,$a_3$=+1.886e+01,$a_4$=0.72Class fit: $I_{sat}$=0.30,$V^{BPP.LP}_{fl}$=-24.93,$T_e$=8.10,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=10.00,$\alpha$=3.68
i:16, Time:From:22.95,via:23.45,to:23.95,$B_t$0.51Azooz fit: $a_1$=+1.979e+00,$a_2$=16.10,$a_3$=+2.015e+01,$a_4$=0.70Class fit: $I_{sat}$=0.33,$V^{BPP.LP}_{fl}$=-19.21,$T_e$=5.70,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=9.51,$\alpha$=1.71
i:17, Time:From:23.95,via:24.46,to:24.97,$B_t$0.51Azooz fit: $a_1$=+1.793e+00,$a_2$=21.98,$a_3$=+2.658e+01,$a_4$=0.66Class fit: $I_{sat}$=0.22,$V^{BPP.LP}_{fl}$=-30.00,$T_e$=8.49,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=8.07,$\alpha$=1.77
i:18, Time:From:24.97,via:25.47,to:25.97,$B_t$0.50Azooz fit: $a_1$=+1.674e+00,$a_2$=20.76,$a_3$=+2.233e+01,$a_4$=0.71Class fit: $I_{sat}$=0.40,$V^{BPP.LP}_{fl}$=-26.53,$T_e$=10.55,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=6.72,$\alpha$=3.29
i:19, Time:From:25.97,via:26.47,to:26.98,$B_t$0.50Azooz fit: $a_1$=+1.635e+00,$a_2$=22.77,$a_3$=+1.909e+01,$a_4$=0.58Class fit: $I_{sat}$=0.17,$V^{BPP.LP}_{fl}$=-29.96,$T_e$=4.94,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=7.37,$\alpha$=3.95
i:20, Time:From:26.98,via:27.48,to:27.98,$B_t$0.49Azooz fit: $a_1$=+1.322e+00,$a_2$=6.32,$a_3$=+1.508e+01,$a_4$=0.12Class fit: $I_{sat}$=0.00,$V^{BPP.LP}_{fl}$=-100.00,$T_e$=30.00,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=10.04,$\alpha$=7.73
i:21, Time:From:27.98,via:28.48,to:28.99,$B_t$0.48Azooz fit: $a_1$=+5.061e+00,$a_2$=31.90,$a_3$=+7.281e+01,$a_4$=1.43Class fit: $I_{sat}$=1.17,$V^{BPP.LP}_{fl}$=-21.61,$T_e$=7.26,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=110.87,$\alpha$=30.49

$i$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 6.86 7.36 7.86 0.11 3.44 22.69 24.98 4.89 1.71 3.16 -11.56 10.76 1.16E-02 7.31 19.04 2.84 8.62
1 7.86 8.36 8.87 0.15 4.66 17.18 30.42 5.52 16.95 6.11 -11.46 8.91 8.92E-04 20.16 22.65 3.83 2.46
2 8.87 9.37 9.87 0.19 4.67 31.63 40.70 0.42 14.05 2.81 -57.33 13.18 2.79E-18 246.50 11.38 5.21 1.56
3 9.87 10.38 10.89 0.23 4.54 70.19 54.38 2.17 -9.82 4.22 -66.50 30.00 4.25E-03 43.97 6.95 2.45 1.79
4 10.89 11.39 11.88 0.27 4.29 32.02 25.68 0.47 -4.29 0.95 -39.34 5.25 8.78E-17 152.25 6.56 8.75 2.98
5 11.88 12.39 12.90 0.31 2.60 17.87 24.20 0.70 2.55 0.94 -26.85 28.71 1.22E-16 18.33 7.42 1.19 4.40
6 12.90 13.40 13.89 0.34 3.30 43.45 11.56 0.80 -32.41 2.14 -57.91 30.00 1.30E-02 33.29 6.49 2.15 2.94
7 13.89 14.40 14.90 0.37 4.11 52.10 96.44 2.28 nan 1.89 -29.19 30.00 4.26E-03 27.53 8.24 1.25 3.68
8 14.90 15.40 15.91 0.40 3.13 38.52 61.42 1.39 18.55 1.44 -29.96 29.09 3.35E-19 16.81 7.32 1.28 3.85
9 15.91 16.41 16.92 0.42 2.93 22.40 23.90 1.10 -1.02 1.07 -21.95 10.10 9.02E-17 17.13 8.33 3.00 3.23
10 16.92 17.42 17.92 0.44 2.94 29.21 36.96 1.29 3.96 1.52 -31.24 21.21 3.30E-16 15.04 7.97 1.85 2.26
11 17.92 18.42 18.93 0.46 2.97 29.42 32.58 1.31 0.11 0.74 -24.92 5.10 1.38E-02 15.33 8.36 6.52 2.13
12 18.93 19.43 19.93 0.48 2.69 13.59 11.40 1.09 -3.76 0.48 -17.58 4.62 3.00E-02 13.78 7.74 5.48 1.30
13 19.93 20.44 20.95 0.49 2.33 24.05 24.03 1.22 -4.98 0.45 -21.62 5.26 3.00E-02 8.76 6.28 5.30 1.33
14 20.95 21.44 21.94 0.50 2.59 13.28 18.22 0.79 2.08 0.50 -16.58 5.09 1.13E-02 16.29 4.97 4.23 1.08
15 21.94 22.45 22.95 0.50 2.05 16.64 18.86 0.72 -2.79 0.30 -24.93 8.10 2.74E-02 10.00 3.68 3.53 1.69
16 22.95 23.45 23.95 0.51 1.98 16.10 20.15 0.70 -1.62 0.33 -19.21 5.70 1.25E-02 9.51 1.71 3.67 2.31
17 23.95 24.46 24.97 0.51 1.79 21.98 26.58 0.66 -4.10 0.22 -30.00 8.49 3.00E-02 8.07 1.77 3.74 2.48
18 24.97 25.47 25.97 0.50 1.67 20.76 22.33 0.71 -6.38 0.40 -26.53 10.55 8.03E-03 6.72 3.29 2.83 2.37
19 25.97 26.47 26.98 0.50 1.63 22.77 19.09 0.58 -10.70 0.17 -29.96 4.94 3.00E-02 7.37 3.95 6.86 4.28
20 26.98 27.48 27.98 0.49 1.32 6.32 15.08 0.12 1.92 0.00 -100.00 30.00 4.49E-18 10.04 7.73 3.59 12.58
21 27.98 28.48 28.99 0.48 5.06 31.90 72.81 1.43 nan 1.17 -21.61 7.26 1.48E-23 110.87 30.49 7.18 17.38

data

Experimental Photo

Resources

References