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基于多光谱测温优化的材料光谱发射率测量

杨永军 王中宇 张术坤 张学聪

杨永军, 王中宇, 张术坤, 等 . 基于多光谱测温优化的材料光谱发射率测量[J]. 北京航空航天大学学报, 2014, 40(8): 1022-1026. doi: 10.13700/j.bh.1001-5965.2013.0504
引用本文: 杨永军, 王中宇, 张术坤, 等 . 基于多光谱测温优化的材料光谱发射率测量[J]. 北京航空航天大学学报, 2014, 40(8): 1022-1026. doi: 10.13700/j.bh.1001-5965.2013.0504
Yang Yongjun, Wang Zhongyu, Zhang Shukun, et al. Material spectral emissivity measurement optimized by multi-spectral temperature measured[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1022-1026. doi: 10.13700/j.bh.1001-5965.2013.0504(in Chinese)
Citation: Yang Yongjun, Wang Zhongyu, Zhang Shukun, et al. Material spectral emissivity measurement optimized by multi-spectral temperature measured[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1022-1026. doi: 10.13700/j.bh.1001-5965.2013.0504(in Chinese)

基于多光谱测温优化的材料光谱发射率测量

doi: 10.13700/j.bh.1001-5965.2013.0504
详细信息
    作者简介:

    杨永军(1973-),男,河南林州人,高级工程师,yangyj007@sina.com.

  • 中图分类号: TN215

Material spectral emissivity measurement optimized by multi-spectral temperature measured

  • 摘要: 针对高温材料红外光谱发射率测量中样品表面温度难以准确测量的问题,提出了直接使用光谱仪测量得出样品表面的光谱辐射能量信息,选取其中合适的光谱波段利用多光谱测温方法得到样品表面温度,进而计算出材料的光谱发射率.分析了多光谱测温中发射率模型的阶次和测量波段选取对测温准确度的影响,给出了温度计算的稳健算法,并对其主要不确定度的来源进行了评定.在1 100 K左右温度下以不锈钢材料进行实验验证,得出温度引起的光谱发射率相对不确定度在2~20 μm范围内低于2%,满足红外隐身和辐射测温等领域的要求,适合于导热性能差的材料或涂层材料的高温光谱发射率测量.

     

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出版历程
  • 收稿日期:  2013-08-28
  • 刊出日期:  2014-08-20

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