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A simple core-SOL-divertor model(CSD model)was developed to investigate qualitativelythe overall features of the operational space for the integrated core and edge plasma.Inthe CSD model,the core plasma model of ITER physics guidelines and the two-point SOL-divertormodel are applied.This CSD model is validated by the two dimensional divertor transport code(B2-EIRINE)and by the JT-60U divertor recycling database,and this model is applicable to thelow-and high-recycling state of the divertor plasma.The CSD model is applied to the study ofthe EAST operational space with lower hybrid current drive under various kinds of trade-off forthe basic plasma parameters,and the relationship between the operational space and the plasmadischarge duration is also discussed.
A simple core-SOL-divertor model (CSD model) was developed to investigate qualitatively the overall features of the operational space for the integrated core and edge plasma. Inthe CSD model, the core plasma model of ITER physics guidelines and the two-point SOL- The divertormodel is applied. The CSD model is validated by the two dimensional divertor transport code (B2-EIRINE) and by the JT-60U divertor recycling database, and this model is applicable to the low-and high-recycling state of the divertor plasma. CSD model is applied to the study of the EAST operational space with lower hybrid current drive under various kinds of trade-off forthe basic plasma parameters, and the relationship between the operational space and the plasma discharge duration is also discussed.