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Alternative TitleOnline Calibration Method of Dual-wavelength Thermometer Based on Image Measurement Technique
王飞龙; 翟光杰; 孙志斌
Source Publication仪表技术与传感器
Keyword双波长测温仪 图像处理 在线校准 静电悬浮 热膨胀系数
Other AbstractInfrared thermometry method have the advantages of non-contact and extreme high temperature measurement. But its measurement accuracy was affected by the materials and environments. An online calibration method based on image technique was designed to solve the measurement deviation problem of the dual-wavelength thermometer in the electrostatic levitation facility.The sample images were recorded by CCD camera.The image edge was extracted to calculate the volume expansion as a function of temperature. By comparing it with the thermal expansion coefficient of the material, the ratio of the dual-wavelength emissivities was calibrated. A pure Zr sample was experimented to calibrate the thermometer. By checking the melting temperature of the Zr sample, the calibration method is verified.
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GB/T 7714
王飞龙,翟光杰,孙志斌. 基于图像测量技术的双波长测温仪在线校准方法[J]. 仪表技术与传感器,2016(4):40.
APA 王飞龙,翟光杰,&孙志斌.(2016).基于图像测量技术的双波长测温仪在线校准方法.仪表技术与传感器(4),40.
MLA 王飞龙,et al."基于图像测量技术的双波长测温仪在线校准方法".仪表技术与传感器 .4(2016):40.
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