Error analysis and cazlibration of Langmuir probes embedded in ITER-like tungsten divertor on EAST

L.Y. Meng,J.C. Xu,J.B. Liu,L. Wang,X.Y. Qian,L. Chen,X. Liu,G.S. Xu,R.R. Liang, J. Huang,H. Lan,S.T. Mao,Y.M. Duan,A. Li,L. Yu, P. Wang,Q.Q. Yang, B. Zhang,Y.M. Wang

Nuclear Materials and Energy（2021）

Cited 4|Views10

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Abstract

•The measuring error of divertor Langmuir probes is huge due to the ablation on EAST.•A model is proposed to fit the effective collection area of the probe-tip.•The new method is suitable for calibration of the Div-LPs data in most discharges.

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Key words

Langmuir probe,Ablation,Error analysis,Calibration,EAST tokamak

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