Abstract

Abstract In this contribution we presented a current independent approximation of the combination of poloidal beta and internal inductance (confinement efficiency) only based on poloidal flux loops measurement in IR-T1 tokamak. The main advantage of this technique is that it based only on the one diagnostic (only flux loops and not need to plasma current measurement). Based on this method, two flux loops were designed, constructed, and installed on outer surface of the IR-T1 tokamak chamber and then the Shafranov parameter was measured from them. Also the result of this technique was compared with conventional magnetic probes technique and found in good agreement with each other.

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