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首页> 外文期刊>Plasma physics and controlled fusion >Comparison of detailed experimental wavenumber spectra with gyrokinetic simulation aided by two-dimensional full-wave simulations
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Comparison of detailed experimental wavenumber spectra with gyrokinetic simulation aided by two-dimensional full-wave simulations

机译：二维全波模拟辅助旋转模拟的详细实验波数谱比较

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摘要

The importance of using a comprehensive suite of tools for the validation of a gyrokinetic code is described. This is detailed by presenting experimental wavenumber spectra which show pronounced differences, although they are measured at the same toroidal, poloidal and radial location. They are obtained via Doppler reflectometry and the differences are due to the probing beam polarization. These differences are reproduced convincingly using turbulence from a gyrokinetic simulation as input for two-dimensional full-wave simulation. It is demonstrated that the application of synthetic diagnostics is indispensable if non-trivial diagnostics are used in the experiment. Furthermore, the measurement of wavenumber spectra via Doppler reflectometry with X-mode probing beam polarization might be problematic due to nonlinear wave-plasma interactions and should be regarded with care when used for quantitative statements or the validation of gyrokinetic codes.
机译：描述了使用全面套件用于验证Gyrokinetic代码的重要性。 这通过呈现出明显的差异的实验波数光谱来详细描述，尽管它们在相同的环形，单片和径向位置测量。 通过多普勒反射区获得它们，并且差异是由于探测光束极化。 这些差异是令人信服地使用来自旋流模拟的湍流作为二维全波仿真的输入来令人信服地再现。 如果在实验中使用非琐碎的诊断，则证明了合成诊断的应用是必不可少的。 此外，由于非线性波等离子体相互作用，通过多普勒反射光束偏振的多普勒反射差异测量的测量可能是有问题的，并且应该在用于定量陈述或陀螺码的验证时注意谨慎。

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