Shielding calculations for the Tokamak Fusion Test Reactor neutral beam injectors
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:5281248
Two-dimensional discrete-ordinates calculations have been performed to determine the location and thickness of concrete shielding around the Tokamak Fusion Test Reactor neutral beam injectors. Two sets of calculations were performed, one to determine the dose equivalent rate on the roof and wall of the test cell building when no injectors are present, and one to determine the contribution to the dose equivalent rate at these locations from radiation streaming through the injection duct. Shielding the side and rear of the neutral beam injector with 0.305 and 0.61 m of concrete, respectively, and lining the inside of the test cell wall with an additional layer of concrete having a thickness of 0.305 m and a height above the axis of deuteron injection of 3.10 m is sufficient to maintain the biological dose equivalent rate outside the test cell to approx. 1 mrem/D-T pulse.
- Research Organization:
- Oak Ridge National Lab., TN
- OSTI ID:
- 5281248
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 47:3; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700205* -- Fusion Power Plant Technology-- Fuel
Heating
& Injection Systems
BUILDING MATERIALS
CONCRETES
DISCRETE ORDINATE METHOD
DOSIMETRY
MATERIALS
NEUTRAL BEAM SOURCES
SHIELDING
TFTR REACTORS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
TWO-DIMENSIONAL CALCULATIONS
700205* -- Fusion Power Plant Technology-- Fuel
Heating
& Injection Systems
BUILDING MATERIALS
CONCRETES
DISCRETE ORDINATE METHOD
DOSIMETRY
MATERIALS
NEUTRAL BEAM SOURCES
SHIELDING
TFTR REACTORS
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
TWO-DIMENSIONAL CALCULATIONS