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- W18888503 abstract "Five experimental studies - two stability and three heating investigations - have been carried out on Tokapole II, a Tokamak with a four node poloidal divertor. First, discharges have been attained with safety factor q as low as 0.6 over most of the column without degradation of confinement, and correlation of helical instability onset with current profile shape is being studied. Second, the axisymmetric instability has been investigated in detail for various noncircular cross-sectional shapes, and results have been compared with a numerical stability code adapted to the Tokapole machine. Third, application of high power fast wave ion cyclotron resonance heating doubles the ion temperature and permits observation of heating as a function of harmonic number and spatial location of the resonance. Fourth, low power shear Alfven wave propagation is underway to test the applicability of this heating method to tokamaks. Fifth, preionization by electron cyclotron heating has been employed to reduce the startup loop voltage by approx. 60%." @default.
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- W18888503 date "1980-06-01" @default.
- W18888503 modified "2023-10-16" @default.
- W18888503 title "Stability and heating of a poloidal divertor tokamak" @default.
- W18888503 doi "https://doi.org/10.2172/5124361" @default.
- W18888503 hasPublicationYear "1980" @default.
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