Design of a tritium pellet injector for TFTR

Conference · Tue Jan 01 00:00:00 EST 1991

OSTI ID:5216474

Milora, S L; Gouge, M J; Fisher, P W; Combs, S K; Cole, M J; Wysor, R B; Fehling, D T; Foust, C R; Baylor, L R ^[1]; Schmidt, G L; Barnes, G W; Persing, R G ^[2]

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1. Oak Ridge National Lab., TN (United States)
2. Princeton Univ., NJ (United States). Plasma Physics Lab.

The TFTR tritium pellet injector (TPI) is designed to provide a tritium pellet fueling capability with pellet speeds in the 1{minus} to 3 km/s-range for the TFTR D-T phase. The existing TFTR deuterium pellet injector is being modified at Oak Ridge National Laboratory to provide a fourshot, tritium-compatible, pipe-gun configuration with three upgraded single-stage pneumatic guns a two -stage light gas gun driver. The pipe gun concept has been qualified for tritium operation by the tritium proof-of-principle injector experiments conducted on the Tritium Systems Test Assembly at Los Alamos National Laboratory. In these experiments, tritium and D-T pellets were accelerated to speeds near 1.5 km/s. The TPI is being designed for pellet sizes in the range from 3.43 to 4.0 mm in diameter in arbitrarily programmable firing sequences at speeds up to approximately 1.5 km/s for the three single-stage drivers and 2.5 to 3 km/s for the two-stage driver. Injector operation will be controlled by a programmable logic controller. 7 refs., 4 figs.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5216474
• Report Number(s): CONF-910968-17; ON: DE92000737; TRN: 91-029132
• Resource Relation: Conference: 14. IEEE symposium on fusion engineering, San Diego, CA (United States), 30 Sep - 3 Oct 1991
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
PELLET INJECTION
DESIGN
TFTR TOKAMAK
CONTROL SYSTEMS
CRYOGENICS
TRITIUM
TRITIUM SYSTEMS TEST ASSEMBLY
VACUUM SYSTEMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CLOSED PLASMA DEVICES
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
TEST FACILITIES
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
YEARS LIVING RADIOISOTOPES
700205* - Fusion Power Plant Technology- Fuel
Heating
& Injection Systems