Analytic solutions for constant tension coil shapes
An analytical solution of the differential equation describing the shape of a flexible filamentary conductor (incapable of supporting bending stresses) in a toroidal magnetic field has been obtained. The solution derives from a series expansion of modified Bessel functions of integer order. The characteristics of toroidal field magnets for proposed tokamak devices are obtainable by term by term integration of the solution series. General expressions are given for the following coil characteristics: the conductor turn length, the solenoid inductance, the area enclosed by the coil and the coil support dimensions. For several particular cases of interest these coil characteristics are obtained as closed form analytical formula. (auth)
- Research Organization:
- Princeton Univ., N.J. (USA). Plasma Physics Lab.
- NSA Number:
- NSA-33-014542
- OSTI ID:
- 4096514
- Report Number(s):
- MATT--1197
- Country of Publication:
- United States
- Language:
- English
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