实验流体力学2023，Vol.37Issue(6)：106-111,6.DOI:10.11729/syltlx20210129
薄膜热电阻热流传感器的对比标定结果及分析
Calibration results and analysis of thin-film gauges calibrated with the transfer method
摘要
Abstract
Considering the fact that there are more error sources in the measured heat flux with thin-film gauges when the two-stage approach is applied to determine the thermal product and resistance-temperature factor,the transfer method is applied to directly calibrate thin-film gauges,in which the thermal product and resistance-temperature factor are treated as the sensitivity coefficients.To get the consistent calibration results of different thin-film gauges fabricated in a batch,the sensitivity coefficients are divided by the resistance-temperature factors of the thin-film gauges,and then the correction sensitivity coefficients are consistent.With the transfer calibration technique,the calibration results of thin-film gauges show a good linearity with a relative expanded uncertainty below 6.5%,which is lower than that reported in other researches,in which the two-stage approach is used to calibrate thin-film gauges.关键词
薄膜热电阻/热流/标定/灵敏度系数/不确定度分析/激波风洞Key words
thin-film resistance/heat flux/calibration/sensitivity/uncertainty analysis/shock wave tunnel分类
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杨凯,刘济春,陈苏宇,朱新新,王辉..薄膜热电阻热流传感器的对比标定结果及分析[J].实验流体力学,2023,37(6):106-111,6.基金项目
国家重点研发计划项目(2019YFA0405300) （2019YFA0405300）
国家自然科学基金项目(11902330) （11902330）
