一个新的合成关联电子循环子发射诊断用于验证电子温度流的非线性陀螺运动模拟
G Wang1, T L Rhodes1, N T Howard2
1Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA.
The Review of scientific instruments
|August 7, 2024
概括
这项研究通过将合成测量与实验数据进行比较,验证了电子温度流的陀螺运动模拟. 初步结果显示,流强度和相关度长度存在差异,突出了模拟改进的领域.
科学领域:
- 等离子体物理学的物理学
- 核聚变能源研究研究
- 计算物理 计算物理
背景情况:
- 电子温度流对于理解聚变等离子体中的能量传输至关重要.
- 非线性陀螺运动模拟是研究等离子体流的重要工具.
- 实验性测量,如相关电子旋转子发射 (CECE),对于验证模拟模型至关重要.
研究的目的:
- 为了验证电子温度流的非线性陀螺运动模拟.
- 将实验CECE测量与合成CECE诊断进行比较.
- 通过实施现实的测量参数来评估陀螺运动模拟的准确性.
主要方法:
- 计算基于辐射概率和天线图案的辐射和垂直空间和波数传递函数.
- 将这些转移函数应用到非线性陀螺运动模拟中,使用连续陀螺运动代码.
- 执行对功率频谱,RMS水平和辐射相关长度的模拟和实验数据的同时比较.
主要成果:
- 合成CECE诊断被开发并应用于非线性陀螺运动模拟.
- 在L模式的DIII-D托卡马克血中,在一个核心位置 (ρ ∼0.75) 进行了比较.
- 初步结果表明,合成CECE输出低估了RMS水平约42%并高估了辐射相关长度约40%.
结论:
- 合成CECE诊断为验证陀螺运动模拟提供了一个有价值的工具.
- 模拟和实验之间的差异凸显了模拟模型和诊断解释的进一步改进的需要.
- 这项工作有助于提高用于核聚变能源应用的陀螺运动模拟的预测能力.
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