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Design of the TFTR Phase II bumper limiter

L. Sevier, G. O'Connor

Abstract

The Tokamak Fusion Test Reactor (TFTR) bumper limiter will provide complete toroidal protection of the inner vacuum vessel wall for both the normal operational flux densities of up to 1.0 kW/cm/sup 2/ and disruptive instabilities up to 1.8 MW/cm/sup 2/. The limiter is composed of 22 m/sup 2/ of TiC coated graphite tiles restrained against cooled Inconel support plates. This design is reviewed and thermal and stress analyses summarized.

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Available abstract

Key concepts: Tokamak Fusion Test Reactor, Limiter, Tokamak, Nuclear engineering, Inconel, Materials science, Toroid, Fusion power