真实温度的辐射测量

程晓舫; 潘其其; 程子奇

doi:10.11949/0438-1157.20190459

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真实温度的辐射测量

热力学 | 更新时间：2020-06-24

- 真实温度的辐射测量
- Radiation measurement for real temperature
- 化工学报 2019年70卷第S2期页码：8-14
- 作者机构：
  
  中国科学技术大学工程科学学院，安徽合肥 230026
- 作者简介：
  
  程晓舫(1957—)，男，博士，教授，xfcheng@ustc.edu.cn
  潘其其(1994—)，男，硕士研究生，pqq@mail.ustc.edu.cn
- 基金信息：
  
  国家自然科学基金项目(50976112)
- DOI：10.11949/0438-1157.20190459
  中图分类号： TK 311
- 收稿：2019-04-30，
  
  修回：2019-07-06，
  
  纸质出版：2019-09-05
- 稿件说明：
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程晓舫, 潘其其, 程子奇. 真实温度的辐射测量[J]. 化工学报, 2019, 70(S2): 8-14

CHENG Xiaofang, PAN Qiqi, CHENG Ziqi. Radiation measurement for real temperature[J]. CIESC Journal, 2019, 70(S2): 8-14
程晓舫, 潘其其, 程子奇. 真实温度的辐射测量[J]. 化工学报, 2019, 70(S2): 8-14 DOI： 10.11949/0438-1157.20190459.

CHENG Xiaofang, PAN Qiqi, CHENG Ziqi. Radiation measurement for real temperature[J]. CIESC Journal, 2019, 70(S2): 8-14 DOI： 10.11949/0438-1157.20190459.

摘要

真实温度的辐射测量一直是非接触测温追求的梦想。通过分析辐射测温模型，找到了真实温度辐射测量的实现条件——用物体和仪器发射率曲线相交点下的特定波长，封闭求解仪器温度，即可得到真实温度。波段辐射传感和谱色函数簇是实现真实温度辐射测量的两大关键技术，前者是为了“覆盖”数值不确定的特定波长，后者则提供了波长坐标轴以标识数值不相同的特定波长。

Abstract

The equation of radiation temperature measurement is put forward

and the functional relationship between the object and the instrument is established. By analyzing the radiation temperature measurement model

the conditions to realize radiation measurement for the real temperature is found

that is

using the specific wavelength at the intersection point of the emissivity curve of the object and the instrument

the real temperature can be obtained by closed solution of the specific instrument temperature. Waveband radiation sensing and primary spectrum function clusters are two key technologies to obtain the real temperature. The former is to “cover” specific wavelength with uncertain numerical value

while the latter provides wavelength coordinate axis to identify specific wavelength with different numerical value. Taking tungsten as an example

the influence of the number of specific wavelengths on temperature solution is analyzed

and the error formula of temperature measurement by primary spectrum pyrometry is given.

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