Acceleration of mini-projectiles using a small-caliber electrothermal gun for fusion applications
Conference
·
OSTI ID:178287
- North Carolina State Univ., Raleigh, NC (United States). Dept. of Nuclear Engineering
The small-caliber electrothermal plasma gun SIRENS has been used to accelerate mini-projectiles to demonstrate the feasibility of using such guns as a pellet injector for fueling of future fusion reactors. The gun has been modified to accommodate acceleration of plastic projectiles to simulate frozen hydrogenic pellets required to fuel fusion reactors. Barrel sections are equipped with diagnostics for velocity and position of the projectile. The length of the acceleration path could be varied between 15 and 45 cm. The pulse forming network (PFN) can provide up to 100 kJ discharge energy over 0.1 to 1.0 ms pulse duration. The projectile velocities have been measured via a set of break wires. The ODIN code has been modified to account for the projectile mass, acceleration and friction. Plasma parameters compared to code results are discussed in detail.
- OSTI ID:
- 178287
- Report Number(s):
- CONF-950612--; ISBN 0-7803-2669-5
- Country of Publication:
- United States
- Language:
- English
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