| 一种热式气液流量测量技术的仿真与研究 |
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| 引用本文： | 蓝开伟,李世武.一种热式气液流量测量技术的仿真与研究[J].计算机仿真,2009,26(8):319-322,333. |
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| 作者姓名： | 蓝开伟 李世武 |
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| 作者单位： | 西北工业大学动力与能源学院,陕西,西安,710072 |
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| 摘 要： | 依据能量守恒原理和流量测量原理,提出了一种新型热式气液质量流量的测量方法,并基于方法设计了相应的热式气液质量流量计.对其进行数值模拟,研究了流量计在不同流速下的温度分布情况,分析和比较了不同流速下的导热杆上下端温度传感器的温差值,获得了适用的量程值.最后,对流体管内湍流换热过程进行分析,并对测量方法进行了测量精度的定量分析,分析结果显示其测量精度可达到98%,符合工程应用要求.计算结果为该热式气液质量流量计的设计、优化、定型提供了重要的参考依据.
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| 关 键 词： | 热式气液质量流量计 流量测量 精度 数值模拟 |
Simulation and Research of Thermal Gas and Liquid Mass flow Measurement Technique |
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| LAN Kai-wei,LI Shi-wu.Simulation and Research of Thermal Gas and Liquid Mass flow Measurement Technique[J].Computer Simulation,2009,26(8):319-322,333. |
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| Authors: | LAN Kai-wei LI Shi-wu |
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| Affiliation: | School of Engine and Energy;Northwestern Polytechnical University;Xi'an Shanxi 710072;China |
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| Abstract: | The measurement method of a Thermal Gas and Liquid Mass Flow Meter(TMF)was obtained in the present study according to the conservation law of energy and the principle of flow rate measurement,and a Thermal Gas and Liquid Mass Flow Meter was designed based on the method.Through numerical simulation,the temperature distribution of TMF designed was investigated,under conditions of various flow velocityes.The temperature difference between the transducers at top and bottom of the thermal conductive probe under ... |
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| Keywords: | Thermal gas and liquid mass flow meter Flow rate measurement Accuracy Numerical simulation |
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