辐射光谱测温法测量误差实验研究
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摘要
针对辐射光谱测温法测量误差问题,利用黑体炉搭建了标准辐射测温实验平台,选用200~1 100nm波段光谱仪对标准高温源进行辐射光谱测量。讨论了高温源辐射光谱特征,并基于辐射光谱测温法获得了温度测量值,该值与标准参考值的相对偏差小于4%,同时分析了测量重复性引起的标准不确定度分量,为辐射测温法应用提供参考。
In order to obtain the measurement error of radiation spectroscopy thermometry,the standard experimental platform was established by black body furnace.The spectrometer with200~1 100 nm was selected to measure the radiation spectrums of standard high-temperature source.The spectral characteristics were discussed in detail.And the temperature results were determined based on spectroscopy thermometry.Compared with the standard value,the relative deviations are less than 4%. The uncertainty components of the repeated measurements were analyzed.It provides important reference for applications of radiation spectroscopy thermometry.
In order to obtain the measurement error of radiation spectroscopy thermometry,the standard experimental platform was established by black body furnace.The spectrometer with200~1 100 nm was selected to measure the radiation spectrums of standard high-temperature source.The spectral characteristics were discussed in detail.And the temperature results were determined based on spectroscopy thermometry.Compared with the standard value,the relative deviations are less than 4%. The uncertainty components of the repeated measurements were analyzed.It provides important reference for applications of radiation spectroscopy thermometry.
引文
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[2]戴景民,金钊.火焰温度测量技术研究[J].计量学报,2003,24(4):297-302.
[3]杨永军.温度测量技术现状和发展概述[J].计测技术,2009,29(4):62-65.
[4]刘利秋,卢艳军,徐涛.传感器原理与应用[M].北京:清华大学出版社,2015.
[5]HANSON P K.Applications of quantitative laser sensors to kinetics,propulsion and practical energy systems[J].Proceedings of the Combustion Institute,2011,33(1):1-40.
[6]MCKENZIE R L.Progress in laser spectroscopic techniques for aerodynamic measurements-An overview[J].AIAA Journal,1993,31(3):465-477.
[7]胡志云,刘晶儒,关小伟,等.燃烧场参数的激光诊断技术研究[J].强激光与粒子束,2002,14(5):702-706.
[8]蔡小舒,周骛,杨荟楠,等.燃烧与流场在线测量诊断方法研究进展[J].实验流体力学,2014,28(1):12-20.
[9]蔡小舒,罗武德.采用发射光谱法检测煤粉锅炉火焰的技术研究[J].动力工程,2000,20(6):955-959.
[10]程智海,蔡小舒.应用原子特征发射谱线法测量煤粉火焰温度[J].动力工程,2007,27(6):918-922.
[11]刘家汛,杨斌,蔡小舒.辐射光谱法电站锅炉燃烧检测诊断研究[J].工程热物理学报,2015,36(9):2055-2059.
[12]杨斌,桂欣扬,周骛,等.利用辐射光谱法开展发动机燃烧火焰参数在线测量[J].航空动力学报,2015,30(12):2904-2909.