Development of a magnetized coaxial plasma gun for compact toroid injection into the C-2 field-reversed configuration device

Development of a magnetized coaxial plasma gun for compact toroid injection into the C-2 field-reversed configuration device

May 2016 | T. Matsumoto | Review of Scientific Instruments | Paper

A compact toroid (CT) injector was developed for the C-2 device, primarily for refueling of field- reversed configurations. The CTs are formed by a magnetized coaxial plasma gun (MCPG), which consists of coaxial cylindrical electrodes and a bias coil for creating a magnetic field.

Transport studies in high-performance field reversed configuration plasmas

Transport studies in high-performance field reversed configuration plasmas

May 2016 | S. Gupta | Physics of Plasmas | Paper

A significant improvement of field reversed configuration (FRC) lifetime and plasma confinement times in the C-2 plasma, called High Performance FRC regime, has been observed with neutral beam injection (NBI), improved edge stability, and better wall conditioning.

Gyrokinetic simulation of driftwave instability in field-reversed configuration

Gyrokinetic simulation of driftwave instability in field-reversed configuration

May 2016 | Daniel Fulton | Physics of Plasmas | Paper

Following the recent remarkable progress in magnetohydrodynamic (MHD) stability control in the C-2U advanced beam driven field-reversed configuration (FRC), turbulent transport has become one of the foremost obstacles on the path towards an FRC-based fusion reactor.

Control of ion gyroscale fluctuations via electrostatic biasing and sheared E×B flow in the C-2 field reversed configuration

Control of ion gyroscale fluctuations via electrostatic biasing and sheared E×B flow in the C-2 field reversed configuration

March 2016 | L. Schmitz | AIP Conference Proceedings | Paper

Control of radial particle and thermal transport is instrumental for achieving and sustaining well-confined high-β plasma in a Field-Reversed Configuration (FRC). Radial profiles of low frequency ion gyro-scale density fluctuations (0.5 ≤ kρs ≤ 40), consistent with drift- or drift-interchange modes, have been measured in the scrape-off layer (SOL) and core of the C-2 Field-Reversed Configuration (FRC), together with the toroidal ExB velocity.