Nonlinear impact of the porous nanostructure on the net tungsten erosion in the linear plasma device PISCES-A

K.R. Yang, S.Y. Dai, R.P. Doerner, D.H. Liu, J.Y. Chen, D.Z. Wang2022年被引用 4Nuclear FusionIF 3 出版社

The tungsten fuzz growth under non-erosive and erosive helium plasmas in the linear plasma device PISCES-A has been investigated by experiments and simulations. The simulation results benchmarked against the experimental measurements indicate a decayed net physical sputtering yield during fuzz growth under the erosive helium plasma. Further, a nonlinear dependence of the net tungsten erosion on the 'effective' porous nanostructure that can be sputtered by incident helium particles has been found.

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