According to the present experiment results,the precision of all calculation correlations for resistance factor in transition zone and laminar zone was compared.
根据已有的实验结果,分析比较了过渡区和层流区各种阻力系数模型计算的准确性,以及各流型之间过渡时的基本变化特征。
25 μm~2 by using an injecting procedure fresh water (TSD=729 mg/L)-gel-produced or fresh water with total volume injected >5 PV, the resistance factor, F__R, determined is in range 266.
用大庆采油二厂的污水(矿化度4013mg/L)配制不同HPAM浓度的Al3+交联聚合物凝胶,在气测渗透率1 25μm2的人造岩心上,按清水(矿化度729mg/L)—凝胶—污水或清水的注入程序,注入量>5PV,测得凝胶中HPAM浓度为0 6、0 5、0 4g/L时,残余阻力系数FRR(368 6～277 4)大于阻力系数FR(266 7～246 0),二者均随HPAM浓度减小而减小;后续注入清水时FRR较低;凝胶中HPAM浓度为0 3g/L时FRR
This paper has studied the convergence of iteration algorithm for colebrook s formula which has been used to determining the resistance factor about industrial pipes in three regions of turbulent flow resistance (i.
本文研究了适用于工业管道紊流三个阻力区（即光滑区、过渡区和粗糙区）阻力系数计算的柯列勃洛克公式迭代算法的收敛性，给出了收敛区间。
Measurement of Drag Coefficient in Slot Plug for Gas Stirring;
气体搅拌用透气砖阻力系数的测试
Study on drag coefficient of polygonal sink tank;
多边形汇水箱阻力系数的研究
Application of resistance coefficient to optimizing parameters in polymer flooding;
应用阻力系数优化聚合物驱参数
A new method based on the Nigolas′curve to confirm each resistance coefficient of the pipeline.;
一种基于尼古拉兹曲线确定管段阻力系数的新方法
Interface resistance coefficient of turbidity current;
紊流浑水异重流交混区的阻力系数的研究
Study on the coefficient of resistance in porcess of sugarcane′s clarification by PSAZ-Sulfitation process;
聚硅酸锌-亚硫酸法在甘蔗混合汁澄清过程中阻力系数的研究
The coefficient of resistance and residual resistance factor for 1600ppm CPAM is 214,36.
在多孔介质中,1600 mg/L阳离子聚丙烯酰胺阻力系数和残余阻力系数为214和36。
drag coefficient
牵引系数，阻力系数
blade profile drag coefficient
桨叶剖面阻力系数，叶型阻力系数
Numerical computation of aerodynamic drag coefficient for high temperature particles
高温固体颗粒气动阻力系数数值计算
Study of the Coefficient of Resistance and Residual Resistance Factor of Hydrophobically Associating Polymer in Series Core
缔合聚合物在串联岩芯中的阻力系数和残余阻力系数研究
Study of Pressure Loss Coefficient in HVAC Fittings;
通风管道局部构件阻力系数及减阻方法研究
Determination of Local Resistance Coefficient at Low Reynolds Number Using Distributed Parameter Method
以分布参数法确定低雷诺数局部阻力系数
Smoother vehicles may have drag coefficients of the order of 0.55.
光滑飞行器的阻力系数可能为0．55量级。
Research on Identifying Resistance Coefficient for Trajectory Correction Fuze
弹道修正引信阻力系数辨识方法研究
Calculation of Rolling Resistance Coefficient and Air Resistance Coefficient Based on Road Test
基于道路试验的汽车滚动阻力和空气阻力系数计算方法研究
Study on Resistance Coefficient of Reeds and Numerical Simulation of Flow in Wetland;
芦苇阻力系数物模及湿地水流数模研究
Simulation of drag and lift coefficients on two cylinders in flow field with turbulence model
湍流模型下双柱绕流升阻力系数数值模拟
The Hydraulic Characteristics and application of Bartlett fluxible Pipes
喷灌塑料管道水力阻力系数λ的实验研究
Gives a calculation formula of the absolute error of specific frictional head losses.
给出了湍流区沿程阻力系数绝对误差的计算式。
The Research of New Methods to Compute Coefficient of Mine Roadway's Frictional Resistance;
确定矿井巷道摩擦阻力系数的新方法研究
Experimental Study of Local Resistance of Divided-Flow Adjustable-Cross;
带调节阀片分流四通局部阻力系数实验研究
Determination Of Friction Factors Of The Caplillary Tube In Refrigerating Machines Based On Experiments;
基于试验的制冷机节流管沿程阻力系数的确定
Experiments on the pressure loss coefficient of pipe sections around elbow and tee junction
管道弯头和三通近距离耦合阻力系数实验研究
Research on Relationship between Shaft Resistance of Rock-Socketed Pile and Behavior of Around Rock;
嵌岩桩桩侧阻力与岩土参数关系研究