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Diamagnetic flux measurement in Aditya tokamak
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10.1063/1.3514092
/content/aip/journal/rsi/81/12/10.1063/1.3514092
http://aip.metastore.ingenta.com/content/aip/journal/rsi/81/12/10.1063/1.3514092
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of diamagnetic and compensating loops installed inside the vacuum vessel within the same housing. Two-wire twisted shielded cable is used for feeder line of loops.

Image of FIG. 2.
FIG. 2.

The circuit model shows diamagnetic loop coupling with vessel current as well as vertical field current.

Image of FIG. 3.
FIG. 3.

(a) Output of diamagnetic and compensating loops in a vacuum shot, (b) diamagnetic signal compensated for only TF current, (c) vertical field current, I BV, (d) diamagnetic signal compensated for TF and BV currents, and (e) residual flux in diamagnetic measurement after compensation for toroidal field current, I TF and vertical field current, I BV.

Image of FIG. 4.
FIG. 4.

(a) Plasma current, I P, (b) raw signals of diamagnetic and compensating loops, (c) vertical field current, I BV, and (d) diamagnetic flux after applying different corrections.

Image of FIG. 5.
FIG. 5.

(a) Plasma current and loop voltage in a typical plasma discharge, (b) diamagnetic flux, (c) poloidal beta, and (d) stored diamagnetic energy.

Image of FIG. 6.
FIG. 6.

(a) Plasma current and loop voltage in ICRF heated plasma discharge, (b) diamagnetic flux, (c) poloidal beta, and (d) stored diamagnetic energy.

Image of FIG. 7.
FIG. 7.

(a) Stored energy measured with diamagnetic loop, W dia, as a function of absorbed power, P inP rad, at the flat-top of the plasma current for various plasma discharges, where is the input ohmic power and P rad is the radiated power. (b) The energy confinement time τ E as a function of chord-averaged plasma density (measured by microwave interferometer).

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/content/aip/journal/rsi/81/12/10.1063/1.3514092
2010-12-14
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Diamagnetic flux measurement in Aditya tokamak
http://aip.metastore.ingenta.com/content/aip/journal/rsi/81/12/10.1063/1.3514092
10.1063/1.3514092
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