| 流体流过油嘴的流量方程推导 |
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| 引用本文： | 杨文波,邱小庆,杨欢,张凡,鄢宇杰,许东进.流体流过油嘴的流量方程推导[J].内蒙古石油化工,2010,36(24):206-208. |
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| 作者姓名： | 杨文波 邱小庆 杨欢 张凡 鄢宇杰 许东进 |
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| 作者单位： | [1]长江大学石油工程学院 [2]长江大学化学与环境工程学院,湖北荆州434023 |
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| 摘 要： | 当管道中的流体通过节流件时,会在节流件处形成局部收缩,在节流件前后产生一定的压差。以流动连续性方程（质量守恒方程）和伯努利方程（能量守恒定律）为基础,推导了节流件前后压差与流量的关系式,从而为流量的计算提供了理论依据。
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| 关 键 词： | 节流件 压差 流量系数 开孔直径 |
Derivation of flow equation of fluid flowing through the nozzle |
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| YANG We-bo,QIU Xiao-qing,YANG Huan,ZHANG Fan,YAN Yu-jie,XU Dong-jin.Derivation of flow equation of fluid flowing through the nozzle[J].Inner Mongulia Petrochemical Industry,2010,36(24):206-208. |
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| Authors: | YANG We-bo QIU Xiao-qing YANG Huan ZHANG Fan YAN Yu-jie XU Dong-jin |
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| Affiliation: | 1.College of Petroleum Engineering,Yangtze University,Jingzhou 434023,Hubei)(2.College of Chemistry and Environmental Engineering,Yangtze University, Jingzhou 434023,Hubei) |
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| Abstract: | When the fluid in the pipe flow through the throttling parts,it will form a local contraction in the throttling parts and to some extent have a certain pressure difference before and after the throttle parts.The relation formula of pressure difference and flow rate is derived for the fluid passing through the throttle parts,which is based on flow continuity equation（mass conservation equation） and the bernoulli equation（energy conservation）,providing a theoretical basis for the flow calculation. |
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| Keywords: | Cutting parts Pressure difference Coefficient of discharge Initial hole diameter |
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