Understanding And Prediction Of Internal Transport Barriers In Tokamaks Using Integrated Modeling

摘要

that predict the anomalous transport driven by ion-temperature gradient driven modes, trapped electron modes and some other MHD modes shows a significant quenching effect from the Shafranov shift. The q-profiles are also found important for the formation of transport barriers in the high beta poloidal DIII-D discharges. The gyro-kinetic GTC simulation confirms the anomalous transport trends observed with the theory-based Weiland model. The observed requirements for the ITB formation can be used in the integrated predictive modeling to optimize the high beta poloidal discharge scenarios in DIIID, EAST and other tokamaks.