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流体套管温度计测温原理及其测量误差的分析
引用本文:张志梅,;安虎平.流体套管温度计测温原理及其测量误差的分析[J].河池师专学报,2009(5):42-44.
作者姓名:张志梅  ;安虎平
作者单位:[1]兰州交通大学后勤管理处; [2]兰州城市学院培黎工程技术学院,甘肃兰州730070
摘    要:从传热学角度分析套管温度计测量流体温度的物理模型,并阐述了其测温基本原理。通过实验数据和计算结果定量分析了该方法引起的测量误差的大小,探讨了产生测量误差的可能原因及影响误差大小的具体参数,总结出减小测温误差的基本途径和具体措施,对工程实际中提高测量精度有良好的效果。

关 键 词:流体  套管温度计  原理  测量误差  措施

Analysis of the Theory of Measuring Temperature by Thermometer with Metal-tube and Its Measuring Error for Fluid
Institution:ZHANG Zhi-mei, AN Hu-ping ( 1. Service Administration Department, Lanzhou Jiaotong University; 2. Peili Engineering and Technology College, Lanzhou City University, Lanzhou, Ganxu 730070, China)
Abstract:A physical model for measuring temperature of fluid by thermometer with Metal - tube is analyzed from heat transfer and its basic principle of measurement illustrated. Through experimental data and calculating results this paper analyses the error magnitude resulted from the method of measuring temperature of fluid by thermometer with Metal - tube. Then, it probes into the possible reasons of engendering measure error and practical parameter which affect the error. Finally, the basic approach and measures of decreasing error are offered, which have a good effect on improving measure accuracy in engineering practicality.
Keywords:fluid  thermometer with Metal-tube  principle  measuring error  measure
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