Web apps for profile fitting and power balance analysis at Wendelstein 7-X.

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION Review of Scientific Instruments Pub Date : 2024-09-01 DOI:10.1063/5.0225315

M Wappl, S A Bozhenkov, M N A Beurskens, S Bannmann, M D Kuczyński, H M Smith, K J Brunner, O P Ford, G Fuchert, J P Knauer, A Langenberg, N A Pablant, E Pasch, P Zs Poloskei, R C Wolf

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Abstract

Two novel web apps for W7-X are introduced: Profile Cooker and Power House. They are designed to streamline the workflow of profile fitting and power balance analysis while offering a graphical user interface that works in any common browser. This allows us to compile a comprehensive database of experimental power balance results. All fitting functions available in Profile Cooker are presented and compared on the basis of example profiles. The power balance equation assumed in Power House is established and its individual terms are discussed. The main focus of the power balance analysis is on the turbulent transport coefficients. A model for quick calculation of neutral beam power deposition based on experimental profiles is presented. Neoclassical root transition poses an issue for power balance analysis due to the uncertainty of the radial electric field. A global, neoclassical simulation with the code EUTERPE is performed for a set of experimental profiles to gain an understanding of the neoclassical root transition.

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用于 Wendelstein 7-X 剖面拟合和功率平衡分析的网络应用程序。

为 W7-X 引入两个新颖的网络应用程序：Profile Cooker 和 Power House。它们旨在简化剖面拟合和功率平衡分析的工作流程，同时提供可在任何普通浏览器中使用的图形用户界面。这使我们能够汇编一个全面的功率平衡实验结果数据库。Profile Cooker 中提供的所有拟合功能都以示例剖面为基础进行了介绍和比较。建立了 Power House 中假定的功率平衡方程，并对其各个项进行了讨论。功率平衡分析的重点是湍流传输系数。介绍了基于实验剖面的中性束功率沉积快速计算模型。由于径向电场的不确定性，新古典根转换对功率平衡分析提出了问题。使用 EUTERPE 代码对一组实验剖面进行了全局新古典模拟，以获得对新古典根过渡的理解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Review of Scientific Instruments 工程技术-物理：应用

CiteScore

3.00

自引率

12.50%

发文量

758

审稿时长

2.6 months

期刊介绍： Review of Scientific Instruments, is committed to the publication of advances in scientific instruments, apparatuses, and techniques. RSI seeks to meet the needs of engineers and scientists in physics, chemistry, and the life sciences.