Research on On-Line Measurements of Radiation Parameters for High-Temperature Particles Based on Radiation Spectroscopy
PING Li1, XIE Jian-wen2, YANG Bin1*, WANG Zhan-ping1, CHEN Yun-chi3, SU Ming-xu1, CAI Xiao-shu1
1. Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
2. ShenhuaGuohua (Beijing) Electric Power Research Institute Co. Ltd., Beijing 100025, China
3. Shandong Energy Inner Mongolia Shenglu Power Generation Co. Ltd., Eerduosi 016200, China
Abstract：For the radiation heat transfer of particles in high-temperature combustion environment, radiation spectroscopy was presented to on-line measure radiation heat transfer parameters based on Planck’s law. According to the changes of radiation spectrums with wavelength in visible range, the temperature and radiation intensity of radiation heat transfer were obtained directly based on parameter fitting method. In order to verify the measurement accuracy, the measurement system of high-temperature blackbody furnace was built. The results of measurements showed that the relative deviation of temperature measurements and setting value was less than 3%, and the relative deviation of radiation intensity measurements and theoretical calculation value was less than 5%. On this basis, the water-cooled probe for radiation heat transfer parameters measurement of particles in high-temperature combustion environment was designed and applied to measure 200~1 100 nm radiation spectrums of gas-solid two phase flow in high-temperature combustion environment. The across section distribution of temperature and radiation intensity of high-temperature particles were obtained directly by using this method. It can eliminate influence of gas convective heat transfer effectively, and provide data support for research on radiation heat transfer of high-temperature particles.
基金资助: the National Key Research and Development Program of China (2017YFB0603204), the National Natural Science Foundation of China(51806144), the Key Laboratory Foundation of Equipment Development Department (614270101040317)
通讯作者:
杨 斌
E-mail: yangbin@usst.edu.cn
作者简介: PING Li, (1993—), Ph D. candidate, University of Shanghai for Science and Technology e-mail:
usst_pl@163.com
引用本文:
平 力，谢建文，杨 斌，王占平，陈允驰，苏明旭，蔡小舒. 基于辐射光谱法的高温颗粒辐射传热参数在线测量方法研究[J]. 光谱学与光谱分析, 2019, 39(02): 640-645.
PING Li, XIE Jian-wen, YANG Bin, WANG Zhan-ping, CHEN Yun-chi, SU Ming-xu, CAI Xiao-shu. Research on On-Line Measurements of Radiation Parameters for High-Temperature Particles Based on Radiation Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(02): 640-645.
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