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A multi-channel correlation ECE system for electron temperature fluctuation measurement on EAST tokamak

Zhao, Hailin ; Zhou, Tianfu ; Liu, Yong ; Ti, Ang ; Ling, Bili ; Feng, Xi ; Liu, A.D ; Zhou, Chu ; Hu, Liqun

Fusion Engineering and Design, December 2019, Vol.149 [Periódico revisado por pares]

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  • Título:
    A multi-channel correlation ECE system for electron temperature fluctuation measurement on EAST tokamak
  • Autor: Zhao, Hailin ; Zhou, Tianfu ; Liu, Yong ; Ti, Ang ; Ling, Bili ; Feng, Xi ; Liu, A.D ; Zhou, Chu ; Hu, Liqun
  • Assuntos: Cece ; Electron Temperature Fluctuation ; Electron Heat Transport ; Cece ; Electron Temperature Fluctuation ; Electron Heat Transport ; Engineering
  • É parte de: Fusion Engineering and Design, December 2019, Vol.149
  • Descrição: •This article introduces a CECE system on EAST tokamak and first measurements results.•This article is significant in design and measurement data for Te fluctuation instrument.•This article allows reproducibility studies between EAST and other devices. A multi-channel correlation electron cyclotron emission (CECE) system for electron temperature fluctuation measurement has been installed on Experimental Advanced Superconducting Tokamak (EAST). The frequency coverage of the CECE system is 106-120 GHz, and it is designed to cover the low field side of the plasma for Bt = 2.3 T. The system can measure four different radial positions at the same time. The measurable poloidal and radial wavenumber range is kθ  1.85 cm−1, kr  4.19 cm−1. Evolution of electron temperature measured by the CECE system is compared with the results of ECE system and the agreement is good. The experiment results of electron temperature fluctuation shows that the system can detect...
  • Idioma: Inglês

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