FuZE剪切流稳定Z箍缩的全装置建模
Whole Device Modeling of the FuZE Sheared-Flow-Stabilized Z Pinch
AI总结:
本文利用WARPXM框架中的轴对称电阻MHD全装置模型模拟FuZE剪切流稳定Z箍缩,结果与实验诊断吻合,并支持装置设计预测。
摘要:
本文采用全装置建模方法,对Zap Energy的FuZE剪切流稳定Z箍缩进行了模拟;该建模采用在间断Galerkin WARPXM框架内实现的轴对称电阻磁流体动力学公式。模拟显示形成了密度约为10^22 m^-3的Z箍缩,并且在约2 μs内总DD聚变中子率为每μs 10^7。由模拟得到的合成诊断显示,在相近等离子体质量下,峰值电流和电压与实验的偏差在10%以内,总产额与实验相差约30%。这些模拟揭示了实验中的等离子体动力学,并为探索Zap Energy所建设备的设计变更提供了预测能力。
英文摘要:
The FuZE sheared-flow-stabilized Z pinch at Zap Energy is simulated using whole-device modeling employing an axisymmetric resistive magnetohydrodynamic formulation implemented within the discontinuous Galerkin WARPXM framework. Simulations show formation of Z pinches with densities of approximately 10^22 m^-3 and total DD fusion neutron rate of 10^7 per μs for approximately 2 μs. Simulation-derived synthetic diagnostics show peak currents and voltages within 10% and total yield within approximately 30% of experiment for similar plasma mass. The simulations provide insight into the plasma dynamics in the experiment and enable a predictive capability for exploring design changes on devices built at Zap Energy.
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