1) flow coefficient
流量系数
1.
The analysis and comparison of the flow coefficient formulas for condensable fluid;
可压缩流体流量系数计算公式的分析与比较
2.
The ascertain of annubar flowmeter s flow coefficient at different Reynolds numbers;
不同雷诺数下均速管流量计流量系数的确定
3.
Numerical Simulation of Flow Characteristics and Experimental Study of Flow Coefficient on Elbow Flowmeter;
弯管流量计水流特性的数值模拟及流量系数的试验研究
2) discharge coefficient
流量系数
1.
Analysis of discharge coefficient of orifice in conduit with low velocity;
低流速孔板流量系数的分析
2.
Effect of inclined angle on discharge coefficient of the discrete holes in curved wall;
弯曲壁上开孔倾角对气膜孔流量系数的影响
3.
Numerical stimulation and analysis of discharge coefficient of orifice in conduit to measure discharge;
测流孔板数值模拟及流量系数的分析
3) flux coefficient
流量系数
1.
This paper with the CFD software CFDesign,simulates and gets the flux coefficient for the gas-operated weapon,can provide some gist for dynamic analysis and computation.
借助计算流体力学分析软件CFD es ign,以导气管式武器为例仿真得到了导气孔流量系数,为动力学分析计算提供了依据。
2.
The curve of flux and pressure of the valve and the formula to modify the flux coefficient of side hole of spool were got.
针对利用CFD软件分析得到的一类自动流量平衡阀计算模型,进行了大量的实验研究,获得了平衡阀的压差流量特征曲线关系以及阀芯侧面通流孔设计的流量系数计算公式,实验还对阀芯通孔几何形状的线性修正进行了大量的研究。
3.
The analysis of the influences of the pier types on the form of flow profiles, pressure on dam surface and flux coefficient and the influence of the ratio of pier thickness to gate.
利用有限体积法对不同墩型溢流坝三维流场进行了数值模拟,并将数值模拟结果与试验结果进行了对比,同时还讨论了不同墩型对水面线形状、坝面压力、流量系数以及不同墩厚闸宽比对坝面压力的影响。
4) coefficient of discharge
流量系数
1.
This paper analyzed the law of coefficient of discharge and the radius facts on arc weir.
对于在过水土石坝上设置圆弧曲线堰后的过流能力进行了试验研究,根据几组圆弧曲线堰过流能力的比较,初步分析了圆弧曲线堰的流量系数变化规律及圆弧半径等对其的影响。
2.
Through Л-theorem of dimensional analysis,this passage outlines the geometry character of labyrinth weir,analyzes discharge functional relationship as well as some physical factors influencing coefficient of discharge,summarizes the existent problems that need further deepening analysis of labyrinth weir.
介绍了迷宫堰几何形状特征,运用量纲分析π定理方法,定性分析了泄流量函数关系式及影响流量系数的物理因素。
3.
Stereotyping the locations of flared gate piers, the relationship between the coefficient of discharge and.
2、固定宽尾墩始扩点的位置,找出不同收缩比的宽尾墩在不同溢流水头时流量系数的变化情况。
5) flow factor
流量系数
1.
This paper expatiates the phenomena,mechanism and discriminant of blocked flow, and explains its infection to the calculation of the flow factor via some examples.
阐述阻塞流现象、产生机理及其判别式 ,并通过实例说明阻塞流对流量系数计算的影
2.
A systematic study was conducted of its flow factor with main attention being focused on the influence of nozzle structural parameters, ALR and liquid viscosity on the flow factor.
在对各种气动喷嘴及其雾化机理分析的基础上提出了一种新型的雾化喷嘴———“旋转型气 -液雾化喷嘴” ,其气液比在热态实验时为 4 %~ 6 % (用压缩空气雾化 ) ,并对其流量系数进行了系统的研究。
3.
Based on the comparative analysis to prototype and model tests results for flow factor of water filling & emptying system of shiplock, it shows that the scaled model test results are all smaller than those of Prototype, the main reason of which is that the drag coefficient of model is not similar to that of Prototype.
就船闸输水流量系数的原、模型成果进行对比分析,说明模型缩尺试验成果都小于原型。
6) flow coefficient Cv
流量系数Cv
补充资料:流量系数
分子式:
CAS号:
性质:为确定管内流体的流量,常采用孔板流量计或文丘里管。流体通过流量计的实际流量与理论流量之比称为流量系数(理论流量:当流量计的取压口设在最理想的截面上,并忽略流量汁的阻力时,按柏努利方程计算出的流量)。记作α,受许多因素影响的综合性系数,与节流装置的结构形式、取压方式、孔口截面积和管道截面积之比、雷诺数、管壁粗糙度等因素有关,其值由实验方法确定。对于给定的节流装置流量系数α仅与雷诺数有关,只要节流装置符合标准节流装置的要求,就可以直接引用标准所规定的流量系数值。
CAS号:
性质:为确定管内流体的流量,常采用孔板流量计或文丘里管。流体通过流量计的实际流量与理论流量之比称为流量系数(理论流量:当流量计的取压口设在最理想的截面上,并忽略流量汁的阻力时,按柏努利方程计算出的流量)。记作α,受许多因素影响的综合性系数,与节流装置的结构形式、取压方式、孔口截面积和管道截面积之比、雷诺数、管壁粗糙度等因素有关,其值由实验方法确定。对于给定的节流装置流量系数α仅与雷诺数有关,只要节流装置符合标准节流装置的要求,就可以直接引用标准所规定的流量系数值。
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