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Magnetic Diagnostics for Equilibrium Reconstructions in the ...

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Next step: 3-D simulation of LTX double-walled conduct<strong>in</strong>g structure<br />

• Response function technique (L. Zakharov) coupled with three-dimensional<br />

electromagnetic model and circuit equations<br />

• Response functions – ma<strong>the</strong>matical relationship between a f<strong>in</strong>ite-size<br />

sensor and an <strong>in</strong>dividual poloidal field coil through driv<strong>in</strong>g voltage<br />

applied to <strong>the</strong> field coil:<br />

S(<br />

t)<br />

Signals<br />

<br />

<br />

B(<br />

t)<br />

B(<br />

t)<br />

<br />

<br />

<br />

t<br />

t<br />

0<br />

R(<br />

t<br />

R(0)<br />

V ( t)<br />

Spl<strong>in</strong>e<br />

<br />

) V (<br />

) d<br />

<br />

<br />

tt<br />

0<br />

0<br />

R(<br />

) V<br />

t<br />

( t<br />

<br />

) d<br />

20<br />

Response func.

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