Structural Modification and Thermal and Structural Analysis of the Divertor in HL-2A |
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Authors: | JIANG Jing LIU Dequan CHENG Fayin RAN Hong |
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Affiliation: | Southwestern Institute of Physics, Chengdu 610041, China |
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Abstract: | The re-design of the adoptable structure and the cooling manner of the divertor in the HL-2A tokamak is based on the parameters confirmed by the optimum divertor configuration and the primary modification scheme. The characteristics of the new divertor system include the double shear joint design on the domes and the outer target plates as well as the poloidal flow with toroidal manifolds. The results of the thermal and structural analysis of the outer target plates show that the design of the poloidal flow with toroidal manifolds can improve the capability of the target plates to withstand the heat loads, and the double shear joint design is compatible with the stress intensity requirements by the electromagnetic loads due to halo currents. |
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Keywords: | divertor modification thermal analysis structural analysis |
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