Physical feasibility of plasma burning control in tokamak reactors by variable toroidal field ripple is shown by using one-dimensional tokamak transport code. Excessive temperature rise can well be suppressed by strengthening the ripple up to about 1.5% with moderate time constant and stable burn is shown to be achievable. These calculations include the noncircular effect of plasma shape and the effect of poloidal angle dependence of ripple structure. Engineering feasibility is also shown by simple estimate.
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Sugihara et al. (1980) studied this question.
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