| 高精度低温介质稳态质量流量、液位自动测量系统 |
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| 引用本文： | 耿卫国. 高精度低温介质稳态质量流量、液位自动测量系统[J]. 低温工程, 2001, 0(1): 6-10 |
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| 作者姓名： | 耿卫国 |
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| 作者单位： | 中国航天科技集团公司一院101所 |
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| 摘 要： | 介绍一种高精度低温介质稳态质量流量、液位自动测量系统，该系统包括液面计、密度计、二次仪表、采集系统、微机系统等，可通过计算机对低温介质贮箱中的液位进行实时监测，并能计算低温介质的稳态质量流量。该系统对液氧液位实时监测的精度可达到3％，对液氧稳态质量流量测量的精度可达到0．473％。
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| 关 键 词： | 低温介质 稳态质量流量 液位 自动测量系统 |
HIGH ACCURACY AUTOMATIC MEASUREMENT SYSTEM FOR STABLE MASS FLOW AND LIQUID LEVEL OF CRYOGENIC FLUID |
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| Geng Weiguo. HIGH ACCURACY AUTOMATIC MEASUREMENT SYSTEM FOR STABLE MASS FLOW AND LIQUID LEVEL OF CRYOGENIC FLUID[J]. Cryogenics, 2001, 0(1): 6-10 |
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| Authors: | Geng Weiguo |
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| Abstract: | The high accuracy automatic measurement system for stable mass flow and liquid level of cryogenic fluid is introducedThis system consists of such instruments and subsystems as level meter,densimeter,secondary instrument,data acquisition system and microcomputer systemThe liquid level of cryogenic fluid in the storage can be monitored in time by computerThe stable mass flow of cryogenic fluid can be calculated,tooThe measurement accruacy of liquid oxygen level is 3% and the measurement accuracy of stable mass flow of liquid oxygen is 0473% |
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| Keywords: | low temperature mass flow liquid level measurement system |
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