2020
DOI: 10.1016/j.heliyon.2020.e04633
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Experimental study of perturbative particle transport in the HL-2A tokamak

Abstract: Perturbative particle transport experiment has been performed in the HL-2A tokamak by using supersonic molecular beam injection (SMBI) as an external particle source. The spatiotemporal evolution of edge density perturbation is traced and the particle source and the flux-gradient relation are obtained experimentally. The flux-gradient relation is found to be far from the diffusive model and three different transport processes are revealed, including pinch-dominant process, diffusion-pinch process and intermitt… Show more

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“…Distinct differences may exist in the coefficients obtained using the power balance for the quasi-steady state. In addition, the transient flux gradient can be easily calculated using the transport coefficients (Zhang et al 2020).…”
Section: Perturbation Transport Analysis By Smbimentioning
confidence: 99%
“…Distinct differences may exist in the coefficients obtained using the power balance for the quasi-steady state. In addition, the transient flux gradient can be easily calculated using the transport coefficients (Zhang et al 2020).…”
Section: Perturbation Transport Analysis By Smbimentioning
confidence: 99%