Fusion blankets for high-efficiency power cycles
The efficiencies of blankets for fusion reactors are usually in the range of 30 to 40%, limited by the operating temperatures (500/sup 0/C) of conventional structural materials such as stainless steels. In this project two-zone blankets are proposed; these blankets consist of a low-temperature shell surrounding a high-temperature interior zone. A survey of nucleonics and thermal hydraulic parameters has led to a reference blanket design consisting of a water-cooled stainless steel shell around a BeO, ZrO/sub 2/ interior (cooled by argon) utilizing Li/sub 2/O for tritium breeding. In this design, approximately 60% of the fusion energy is deposited in the high-temperature interior. The maximum argon temperature is 2230/sup 0/C leading to an overall efficiency estimate of 55 to 60% for this reference case.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6846285
- Report Number(s):
- BNL-28283; CONF-800950-8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
700201* -- Fusion Power Plant Technology-- Blanket Engineering
700204 -- Fusion Power Plant Technology-- Cooling Systems
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
ARGON
BERYLLIUM COMPOUNDS
BERYLLIUM OXIDES
BREEDING BLANKETS
CHALCOGENIDES
CHROMIUM ALLOYS
COOLANTS
CORROSION RESISTANT ALLOYS
DESIGN
EFFICIENCY
ELEMENTS
FLUIDS
GASES
HYDROGEN COMPOUNDS
IRON ALLOYS
IRON BASE ALLOYS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
RARE GASES
REACTOR COMPONENTS
STAINLESS STEELS
STEELS
THERMODYNAMIC CYCLES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
TRANSITION ELEMENT COMPOUNDS
WATER
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES