High field compact tokamak reactor (HFCTR) conceptual design. Final report
A conceptual design has been developed for a compact (R/sub 0/ = 6.0 m) high field (B/sub T/ = 7.4 T) tokamak demonstration power reactor which can produce fusion power densities as high as 10 MW/m/sup 3/ with a spatially averaged value of toroidal beta of less than 5%. The HFCTR design is based upon minimal extrapolation from experimentally established plasma confinement and MHD stability in tokamak devices. A unique design for the NB/sub 3/Sn toroidal-field magnet system reduces the stress in the high-field trunk region and allows the achievement of high fields with a small radial build. An integrated system of automated actuators, vacuum and current-carrying mechanical joints and flexible cryostats allow total modularization of the reactor, including the coil systems. A detailed estimate of maintenance operation time indicated the possibility of very high plant availability. The modest value of toroidal beta permits a simple plasma-shaping coil system, located inside the TF coil trunk. Heating of the central plasma is attained by the use of ripple-assisted injection of 120-keV D/sup 0/ beams, which is also used for dynamic control of the plasma temperature during the burn period. A FLIBE-lithium blanket is designed especially for high-power-density operation in a high-field environment, and gives an overall tritium breeding ratio of 1.05.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge (USA). Plasma Fusion Center
- DOE Contract Number:
- AC02-77ET52021
- OSTI ID:
- 7129459
- Report Number(s):
- DOE/ET/52021-T1; ON: DE84008865
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
700200* -- Fusion Energy-- Fusion Power Plant Technology
ALKALI METALS
DESIGN
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
FLIBE
HYBRID REACTORS
LITHIUM
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC FIELD RIPPLES
MAGNETS
METALS
MOLTEN SALTS
SALTS
SIZE
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS