Neutral beam injection simulation of EAST

EAST (Experimental Advanced Superconducting Tokamak) is a fully superconducting tokamak with single/double null divertor configuration. The NBI (Neutral Beam Inject) system of EAST has two deuterium beam lines, in which beam power is 4 MW and energy is 80 keV. Neutral beam heating in EAST tokamak is simulated using NUBEAM code. The NUBEAM module is a Monte Carlo modeling of fast ion species in an axisymmetric tokamak. With the numerical simulation, the scenarios of the future neutral beam heating in EAST plasma are predicted. The influences of the injection angle on the neutral beam heating, current drive and shine-through power are analyzed by the simulation.