研究目的
To develop a new image processing system for the analysis of strike lines on the inboard limiters from the first W7-X experimental campaign, focusing on monitoring plasma facing components exposed to high heat loads using visible and infrared cameras.
研究成果
The developed image processing system successfully characterizes strike lines on the inboard limiters of W7-X using spatial calibration and Fourier Descriptors. This system is a step towards real-time monitoring of plasma facing components to prevent damage from overheating. Future updates will address the challenges posed by the more complex divertor surfaces in subsequent experimental campaigns.
研究不足
The system's effectiveness is currently limited to the analysis of strike lines on inboard limiters during the first experimental campaign. Future work is needed to adapt the system for more complex divertor surfaces in upcoming campaigns.
1：Experimental Design and Method Selection
The methodology involves spatial calibration of IR cameras to model the cameras and characterize strike lines in terms of position, size, and shape. The process includes projecting camera images onto a 2D grid to preserve curvilinear surface distances.
2：Sample Selection and Data Sources
Data from the first W7-X experimental campaign, specifically images from LWIR and MWIR camera systems observing the inboard limiters.
3：List of Experimental Equipment and Materials
LWIR and MWIR camera systems, CAD models of the limiter surface, checkerboard for spatial calibration.
4：Experimental Procedures and Operational Workflow
Spatial calibration of cameras using checkerboard measurements, projection of camera images onto CAD models and 2D grids, characterization of strike lines using Fourier Descriptors.
5：Data Analysis Methods
Analysis of strike-line features (position, width, shape) using Fourier Descriptors and comparison of heat flux density distributions.
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