Murakami density limit in tokamaks and reversed-field pinches
Description:
A theoretical upper limit for the density in an ohmically heated tokamak discharge follows from the requirement that the ohmic heating power deposited in the central current-carrying channel exceed the impurity radiative cooling in this critical region. A compact summary of our results gives this limit n/sub M/ for the central density as n/sub M/ = (Z/sub e//(Z/sub e/-1)/sup 1/2/n/sub eo/ (B/sub T//1T)(1m/R) where n/sub eo/ depends strongly on the impurity species and is remarkably independent …
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Date:
March 1, 1984
Creator:
Perkins, F.W. & Hulse, R.A.
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Partner:
UNT Libraries Government Documents Department