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Energy balance and stability of an induction heated plasma

✍ Scribed by B.W. Walsh; A.D. Stokes

Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
711 KB
Volume
27
Category
Article
ISSN
0009-2509

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✦ Synopsis

The stability of stationary induction heated plasmas can be determined from an effective voltage-current characteristic, calculated from numerical solutions of the plasma energy balance. Simplified models of induction heated plasmas have been proposed to enable analytical solutions to be obtained. Energy balances calculated from two such models are compared with the exact solutions. The two-channel model gives a good estimate of power requirements when the plasma boundary is defined as the point at which the electrical conductivity first becomes negligible, and the electrical conductivity is taken as one half the value at the maximum plasma temperature. Both models can be used to predict stability, either by electrical or thermal arguments.

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