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Design and Fabrication of a Movable Langmuir Probe for Plasma Edge Parameters Measurement in the IR-T1 Tokamak

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Abstract

For the edge plasma parameters measurement, a movable Langmuir probe is fabricated and installed on the IR-T1 tokamak. The set-up consists of two sets of single Langmuir probes with tungsten tip movable in the radial direction. Edge plasma parameters including electron temperature, Ion density, floating potential and the corresponding radial changes are measured. Using two-point correlation technique clearly reveal that in the SOL region the poloidal propagation of floating potential fluctuation is in the direction of ion diamagnetic drift and in the edge it propagates in the electron diamagnetic drift direction.

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Acknowledgment

The Iran National Science Foundation (INSF) support is greatly appreciated.

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Authors and Affiliations

  1. Islamic Azad University, Kashan Branch, P.O. Box 87135-433, Kasha, Iran

    R. Shariatzadeh

  2. Plasma Physics Research Center, Science and Research Campus, Islamic Azad University, P.O. Box 14665-678, Tehran, Iran

    M. Ghoranneviss

  3. School of Laser and Optics, Institute of Nuclear Science and Technology, AEOI, P.O. Box 14155-1339, Tehran, Iran

    M. Emami

  4. Sharif University of Technology, P.O. Box 11365-8639, Tehran, Iran

    A. Anvari

  5. Department of Applied Physics, Ghent University, Ghent, Belgium

    G. Van Oost

Authors
  1. R. Shariatzadeh
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  2. M. Ghoranneviss
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  3. M. Emami
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  4. A. Anvari
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  5. G. Van Oost
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Correspondence to R. Shariatzadeh.

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Shariatzadeh, R., Ghoranneviss, M., Emami, M. et al. Design and Fabrication of a Movable Langmuir Probe for Plasma Edge Parameters Measurement in the IR-T1 Tokamak. J Fusion Energ 28, 296–299 (2009). https://doi.org/10.1007/s10894-009-9190-5

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  • DOI: https://doi.org/10.1007/s10894-009-9190-5

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