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BPP experiments @ the tokamak GOLEM

Essential parameters:

  • Current resistor $R=$20 $\Omega$
  • Voltage divider: 1:100
  • The shot: 23449
  • 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 #23449

Basic diagnostics


Plasma start:6810 us Plasma end:29430 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:6.90,via:7.41,to:7.92,$B_t$0.11Azooz fit: $a_1$=+4.258e+00,$a_2$=10.86,$a_3$=+2.365e+01,$a_4$=2.26Class fit: $I_{sat}$=2.35,$V^{BPP.LP}_{fl}$=-7.43,$T_e$=8.11,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=32.02,$\alpha$=21.15
i: 1, Time:From:7.92,via:8.42,to:8.92,$B_t$0.16Azooz fit: $a_1$=+4.355e+00,$a_2$=14.47,$a_3$=+2.810e+01,$a_4$=5.71Class fit: $I_{sat}$=4.50,$V^{BPP.LP}_{fl}$=-2.73,$T_e$=7.44,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=14.60,$\alpha$=23.02
i: 2, Time:From:8.92,via:9.42,to:9.93,$B_t$0.20Azooz fit: $a_1$=+4.822e+00,$a_2$=56.89,$a_3$=+5.002e+01,$a_4$=4.67Class fit: $I_{sat}$=6.86,$V^{BPP.LP}_{fl}$=-49.17,$T_e$=13.32,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=27.56,$\alpha$=10.94
i: 3, Time:From:9.93,via:10.43,to:10.93,$B_t$0.24Azooz fit: $a_1$=+5.055e+00,$a_2$=83.69,$a_3$=+7.594e+01,$a_4$=3.26Class fit: $I_{sat}$=3.93,$V^{BPP.LP}_{fl}$=-68.43,$T_e$=23.68,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=48.92,$\alpha$=5.73
i: 4, Time:From:10.93,via:11.44,to:11.95,$B_t$0.27Azooz fit: $a_1$=+3.300e+00,$a_2$=37.06,$a_3$=+2.414e+01,$a_4$=0.92Class fit: $I_{sat}$=1.81,$V^{BPP.LP}_{fl}$=-51.70,$T_e$=18.84,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=29.41,$\alpha$=5.58
i: 5, Time:From:11.95,via:12.45,to:12.94,$B_t$0.31Azooz fit: $a_1$=+3.530e+00,$a_2$=23.16,$a_3$=+2.812e+01,$a_4$=0.92Class fit: $I_{sat}$=0.42,$V^{BPP.LP}_{fl}$=-26.16,$T_e$=5.79,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=36.78,$\alpha$=7.60
i: 6, Time:From:12.94,via:13.45,to:13.96,$B_t$0.34Azooz fit: $a_1$=+3.055e+00,$a_2$=0.96,$a_3$=+1.727e+01,$a_4$=0.27Class fit: $I_{sat}$=0.33,$V^{BPP.LP}_{fl}$=-23.48,$T_e$=5.77,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=67.47,$\alpha$=7.74
i: 7, Time:From:13.96,via:14.46,to:14.96,$B_t$0.37Azooz fit: $a_1$=+2.971e+00,$a_2$=15.28,$a_3$=+1.768e+01,$a_4$=0.50Class fit: $I_{sat}$=0.48,$V^{BPP.LP}_{fl}$=-32.48,$T_e$=7.52,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=36.19,$\alpha$=9.44
i: 8, Time:From:14.96,via:15.46,to:15.96,$B_t$0.40Azooz fit: $a_1$=+2.946e+00,$a_2$=36.62,$a_3$=+3.635e+01,$a_4$=0.98Class fit: $I_{sat}$=0.71,$V^{BPP.LP}_{fl}$=-31.89,$T_e$=6.78,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=19.34,$\alpha$=9.65
i: 9, Time:From:15.96,via:16.46,to:16.96,$B_t$0.42Azooz fit: $a_1$=+2.982e+00,$a_2$=11.50,$a_3$=+1.169e+01,$a_4$=0.87Class fit: $I_{sat}$=1.29,$V^{BPP.LP}_{fl}$=-22.59,$T_e$=12.98,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=22.27,$\alpha$=9.88
i:10, Time:From:16.96,via:17.47,to:17.98,$B_t$0.44Azooz fit: $a_1$=+3.031e+00,$a_2$=25.08,$a_3$=+3.137e+01,$a_4$=1.13Class fit: $I_{sat}$=0.98,$V^{BPP.LP}_{fl}$=-22.17,$T_e$=10.82,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=18.58,$\alpha$=8.74
i:11, Time:From:17.98,via:18.48,to:18.98,$B_t$0.46Azooz fit: $a_1$=+3.294e+00,$a_2$=31.50,$a_3$=+3.790e+01,$a_4$=1.55Class fit: $I_{sat}$=0.70,$V^{BPP.LP}_{fl}$=-28.85,$T_e$=7.67,$Ratio_{sat}$=0.02,$\varphi^{BPP}_{pl}$=17.92,$\alpha$=9.57
i:12, Time:From:18.98,via:19.48,to:19.99,$B_t$0.48Azooz fit: $a_1$=+2.786e+00,$a_2$=23.94,$a_3$=+2.202e+01,$a_4$=1.22Class fit: $I_{sat}$=0.49,$V^{BPP.LP}_{fl}$=-23.34,$T_e$=4.78,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=13.64,$\alpha$=8.57
i:13, Time:From:19.99,via:20.49,to:20.99,$B_t$0.49Azooz fit: $a_1$=+3.184e+00,$a_2$=17.60,$a_3$=+2.414e+01,$a_4$=0.98Class fit: $I_{sat}$=1.03,$V^{BPP.LP}_{fl}$=-26.71,$T_e$=9.54,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=24.65,$\alpha$=9.32
i:14, Time:From:20.99,via:21.50,to:22.01,$B_t$0.50Azooz fit: $a_1$=+2.932e+00,$a_2$=13.50,$a_3$=+1.181e+01,$a_4$=0.87Class fit: $I_{sat}$=0.48,$V^{BPP.LP}_{fl}$=-20.36,$T_e$=4.83,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=21.25,$\alpha$=8.02
i:15, Time:From:22.01,via:22.50,to:23.00,$B_t$0.50Azooz fit: $a_1$=+3.878e+00,$a_2$=31.56,$a_3$=+6.001e+01,$a_4$=1.20Class fit: $I_{sat}$=0.43,$V^{BPP.LP}_{fl}$=-21.11,$T_e$=3.60,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=40.62,$\alpha$=7.69
i:16, Time:From:23.00,via:23.50,to:24.01,$B_t$0.51Azooz fit: $a_1$=+2.025e+00,$a_2$=24.26,$a_3$=+2.305e+01,$a_4$=1.60Class fit: $I_{sat}$=1.40,$V^{BPP.LP}_{fl}$=-20.78,$T_e$=30.00,$Ratio_{sat}$=0.01,$\varphi^{BPP}_{pl}$=5.29,$\alpha$=6.52
i:17, Time:From:24.01,via:24.51,to:25.01,$B_t$0.51Azooz fit: $a_1$=+1.901e+00,$a_2$=20.94,$a_3$=+2.665e+01,$a_4$=0.68Class fit: $I_{sat}$=0.57,$V^{BPP.LP}_{fl}$=-27.29,$T_e$=17.93,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=8.90,$\alpha$=1.57
i:18, Time:From:25.01,via:25.52,to:26.02,$B_t$0.50Azooz fit: $a_1$=+2.673e+00,$a_2$=15.41,$a_3$=+1.093e+01,$a_4$=0.33Class fit: $I_{sat}$=0.15,$V^{BPP.LP}_{fl}$=-26.31,$T_e$=4.43,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=36.91,$\alpha$=5.92
i:19, Time:From:26.02,via:26.52,to:27.02,$B_t$0.50Azooz fit: $a_1$=+2.549e+00,$a_2$=12.49,$a_3$=+1.400e+01,$a_4$=0.46Class fit: $I_{sat}$=0.58,$V^{BPP.LP}_{fl}$=-24.74,$T_e$=12.36,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=24.49,$\alpha$=9.14
i:20, Time:From:27.02,via:27.53,to:28.03,$B_t$0.49Azooz fit: $a_1$=+3.267e+00,$a_2$=3.93,$a_3$=+1.135e+01,$a_4$=0.20Class fit: $I_{sat}$=0.16,$V^{BPP.LP}_{fl}$=-29.64,$T_e$=8.24,$Ratio_{sat}$=0.03,$\varphi^{BPP}_{pl}$=112.01,$\alpha$=6.04
i:21, Time:From:28.03,via:28.54,to:29.04,$B_t$0.48Azooz fit: $a_1$=+3.469e+00,$a_2$=9.78,$a_3$=+1.758e+01,$a_4$=0.41Class fit: $I_{sat}$=0.81,$V^{BPP.LP}_{fl}$=-25.89,$T_e$=13.98,$Ratio_{sat}$=0.00,$\varphi^{BPP}_{pl}$=74.46,$\alpha$=14.13

$i$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 6.90 7.41 7.92 0.11 4.26 10.86 23.65 2.26 14.58 2.35 -7.43 8.11 5.38E-21 32.02 21.15 3.52 0.51
1 7.92 8.42 8.92 0.16 4.36 14.47 28.10 5.71 16.11 4.50 -2.73 7.44 4.99E-03 14.60 23.02 3.46 -4.55
2 8.92 9.42 9.93 0.20 4.82 56.89 50.02 4.67 -0.02 6.86 -49.17 13.32 1.26E-18 27.56 10.94 4.51 -4.79
3 9.93 10.43 10.93 0.24 5.05 83.69 75.94 3.26 4.50 3.93 -68.43 23.68 4.52E-03 48.92 5.73 3.13 -3.53
4 10.93 11.44 11.95 0.27 3.30 37.06 24.14 0.92 -14.02 1.81 -51.70 18.84 1.13E-02 29.41 5.58 3.04 -1.87
5 11.95 12.45 12.94 0.31 3.53 23.16 28.12 0.92 4.55 0.42 -26.16 5.79 2.63E-02 36.78 7.60 5.83 -0.62
6 12.94 13.45 13.96 0.34 3.06 0.96 17.27 0.27 14.92 0.33 -23.48 5.77 3.00E-02 67.47 7.74 5.41 0.21
7 13.96 14.46 14.96 0.37 2.97 15.28 17.68 0.50 0.64 0.48 -32.48 7.52 9.81E-03 36.19 9.44 5.57 0.58
8 14.96 15.46 15.96 0.40 2.95 36.62 36.35 0.98 -3.81 0.71 -31.89 6.78 1.97E-19 19.34 9.65 6.13 0.69
9 15.96 16.46 16.96 0.42 2.98 11.50 11.69 0.87 -0.90 1.29 -22.59 12.98 2.04E-20 22.27 9.88 2.50 0.43
10 16.96 17.47 17.98 0.44 3.03 25.08 31.37 1.13 3.59 0.98 -22.17 10.82 9.10E-19 18.58 8.74 2.86 -0.51
11 17.98 18.48 18.98 0.46 3.29 31.50 37.90 1.55 4.68 0.70 -28.85 7.67 2.49E-02 17.92 9.57 5.01 -1.52
12 18.98 19.48 19.99 0.48 2.79 23.94 22.02 1.22 -4.74 0.49 -23.34 4.78 3.00E-02 13.64 8.57 6.67 -2.58
13 19.99 20.49 20.99 0.49 3.18 17.60 24.14 0.98 5.08 1.03 -26.71 9.54 7.48E-03 24.65 9.32 3.78 -3.59
14 20.99 21.50 22.01 0.50 2.93 13.50 11.81 0.87 -2.85 0.48 -20.36 4.83 2.69E-02 21.25 8.02 5.87 -3.99
15 22.01 22.50 23.00 0.50 3.88 31.56 60.01 1.20 30.36 0.43 -21.11 3.60 2.60E-02 40.62 7.69 8.00 -5.04
16 23.00 23.50 24.01 0.51 2.03 24.26 23.05 1.60 -7.50 1.40 -20.78 30.00 7.80E-03 5.29 6.52 0.91 -5.73
17 24.01 24.51 25.01 0.51 1.90 20.94 26.65 0.68 -2.34 0.57 -27.29 17.93 6.09E-14 8.90 1.57 1.61 -5.44
18 25.01 25.52 26.02 0.50 2.67 15.41 10.93 0.33 -6.10 0.15 -26.31 4.43 3.00E-02 36.91 5.92 7.27 -6.26
19 26.02 26.52 27.02 0.50 2.55 12.49 14.00 0.46 -0.79 0.58 -24.74 12.36 3.22E-17 24.49 9.14 2.74 -6.58
20 27.02 27.53 28.03 0.49 3.27 3.93 11.35 0.20 6.88 0.16 -29.64 8.24 3.00E-02 112.01 6.04 4.33 -5.93
21 28.03 28.54 29.04 0.48 3.47 9.78 17.58 0.41 7.41 0.81 -25.89 13.98 6.99E-19 74.46 14.13 2.86 -6.00

data

Experimental Photo

Resources

References