Core fueling is plasmas to reach enhanced confinement regime and elevate output fusion power. However it is not easy to do so. Making use of the 2-D Kuteev lentil model, including kinetic effects, we find that existin...Core fueling is plasmas to reach enhanced confinement regime and elevate output fusion power. However it is not easy to do so. Making use of the 2-D Kuteev lentil model, including kinetic effects, we find that existing pellet injection techniques will not meet core-fueling requirements for ITER-FEAT. A pressureas high as 254 MPa should be applied to a pellet accelerator 200 cm-long single-stage pneumatic gun, in order to accelerate a pellet of radius rpo = 0. 5 cm to a velocity of νp0, 24 × 10^5cm·s^-1 penetrating 100 cm into the ITER plasma core.展开更多
文摘Core fueling is plasmas to reach enhanced confinement regime and elevate output fusion power. However it is not easy to do so. Making use of the 2-D Kuteev lentil model, including kinetic effects, we find that existing pellet injection techniques will not meet core-fueling requirements for ITER-FEAT. A pressureas high as 254 MPa should be applied to a pellet accelerator 200 cm-long single-stage pneumatic gun, in order to accelerate a pellet of radius rpo = 0. 5 cm to a velocity of νp0, 24 × 10^5cm·s^-1 penetrating 100 cm into the ITER plasma core.