Department of Engineering Physics, Tsinghua University, Beijing, P. R. China Internal electrostatic and magnetic measurement in SUNIST S. Chai , W. H. Wang * E-mail: [email protected]The Second A3 Foresight Workshop on Spherical Torus, Jan. 6-8, 2014, Tsinghua University, Beijing, China
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Internal electrostatic and magnetic measurement in SUNIST
The Second A3 Foresight Workshop on Spherical Torus , Jan . 6-8, 2014, Tsinghua University, Beijing, China. Internal electrostatic and magnetic measurement in SUNIST. S. Chai , W. H. Wang. Department of Engineering Physics, Tsinghua University, Beijing, P. R. China . - PowerPoint PPT Presentation
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Department of Engineering Physics, Tsinghua University, Beijing, P. R. China
Internal electrostatic and magnetic measurement in SUNIST
Here, plasma potential outside the RFEA; ni ion density; Cs the ion-acoustic velocity; A is the slit window area; TT is the total transmission coefficient. So
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磁探针测得的磁场变化情况
0 10 20 30 40 5012
13
14
15
16
17
18
19
20
21
22
23
Te [e
V]
Distance [mm]
Triple Probe Te, Ne
-0.03
-0.028
-0.026
-0.024
-0.022
-0.02
-0.018
-0.016
-0.014
-0.012
-0.01
-0.008
-0.006
-0.004
-0.002
Ne [1
018
m-3
]
TeNe
0 10 20 30 40 50160
165
170
175
180
185
190
Distance [mm]
Bp
[Gs]
Triple Probe (Bp)
磁探针测得的磁场变化图像T=47~52ms 测得的 Ne 、 Te 和 Bp 的值
Parameters of SUNIST R0 0.3 m
a 0.23 m
BT 0.15 T
ΨOhm 60 (37) mV.s
IP 50 (70) kA
Pulse length 15 (20) ms
ne ~1×1019 m-3
Te ~100 eVRed: achieved
Diagnostics and heatinga. Quadruple probe ×1
b. B-dot probes ×15, flux loops ×13c. Internal composite probe×1
d. Interfermetor(94 GHz)×1e. Reflectometer(26~40 GHz)×1
f. Radiometer(2~12 GHz)×1g. Spectrometer(380~600 nm)×2
h. Fast camera(5130 fps)×1i. Hard X-ray, NaI×1,CdZnTe×2