Enhanced cooling with helium channels in the TF coil casing for FED
Conference
·
· Proc. Symp. Eng. Probl. Fusion Res.; (United States)
OSTI ID:6362043
The toroidal field (TF) coil casing in a tokamak is subjected to high nuclear heating along the vertical straight leg of the TF coil and locally high eddy current heating in the vicinity of the D-shaping poloidal field (PF) coils. Liquid helium channels are incorporated in the TF coil casing to intercept these local heat loads before they are transmitted to the winding and jeopardize the winding stability. The proposed cooling channels for FED operate at 4 K in the coil case and at 20 K in the intercoil support structure. The refrigerator capacity is reduced significantly by removing the intercoil support structure losses at higher temperatures. The performance and design of these cooling channels for FED TF coils are discussed in this paper.
- Research Organization:
- Oak Ridge Natl Lab, TN, USA
- OSTI ID:
- 6362043
- Report Number(s):
- CONF-811040-
- Conference Information:
- Journal Name: Proc. Symp. Eng. Probl. Fusion Res.; (United States)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201 -- Engineering-- Cryogenic Equipment & Devices
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700202* -- Fusion Power Plant Technology-- Magnet Coils & Fields
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANNULAR SPACE
CONFIGURATION
COOLING SYSTEMS
DESIGN
DIVERTORS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
ENERGY SYSTEMS
EQUIPMENT
FLUIDS
GASES
HELIUM
MAGNETS
NONMETALS
POLOIDAL DIVERTORS
RARE GASES
SPACE
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
TOROIDAL CONFIGURATION
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700202* -- Fusion Power Plant Technology-- Magnet Coils & Fields
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANNULAR SPACE
CONFIGURATION
COOLING SYSTEMS
DESIGN
DIVERTORS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
ENERGY SYSTEMS
EQUIPMENT
FLUIDS
GASES
HELIUM
MAGNETS
NONMETALS
POLOIDAL DIVERTORS
RARE GASES
SPACE
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
TOROIDAL CONFIGURATION