A turbine blade radiation temperature measurement area geometric surface reconstruction method
CN116310220BActive Publication Date: 2026-08-28BEIHANG UNIV
Patent Information
- Application Number
- CN202310280234.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-22
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2043-03-22
AI Technical Summary
Technical Problem
目前常见的商用或在研的高温辐射计均采用扫描式单点测温结构，通过安装位置的不同从而对涡轮叶片表面测得的温度区域进行拼接重建，进而得到整个叶片表面的温度分布；这种扫描式高温辐射计往往采用复杂的机械传动装置以匹配反射镜的角度参数
Benefits of technology
[0022]本发明与现有技术相比，优势在于：1、本发明一种涡轮叶片辐射测温区域几何表面重建方法，在高温辐射计测量运行中的涡轮叶片温度时，可对扫描到的测温区域进行几何重建，进而简化后续温度块拼接过程。2、本发明一种涡轮叶片辐射测温区域几何表面重建方法，借助有限元软件，分析过程准确高效，无复杂设备及结构。3、本发明一种涡轮叶片辐射测温区域几何表面重建方法，采用的几何模型贴近实际工况，除整个涡轮盘外，允许采用部分涡轮叶片进行仿真，可大大减少计算时间，结果更具可信度。
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Abstract
The application discloses a turbine blade radiation temperature measurement area geometric surface reconstruction method, belongs to the technical field of turbine blade radiation temperature measurement, and is based on Comsol Multiphysics simulation software. The method comprises the following steps: configuring a simulation environment, importing a geometric model, configuring a geometric optical physical field interface, dividing a grid, configuring a solver and performing calculation, then exporting ray trajectory coordinates, transforming three-dimensional coordinates in a space rectangular coordinate system by using Matlab, and finally performing geometric reconstruction and mapping corresponding radiation temperature values. The method is favorable for realizing geometric surface reconstruction of a radiation temperature measurement area and is especially suitable for temperature field reconstruction of a turbine blade.
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Citation Information
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