Maintenance-free fluid delivery devices with non-moving parts have special advantages in the processes of fluid transportation,sampling and mixing with conditions of high temperature,high radioactivity and high toxicity,for their maintenance-free properties.
免维修流体输送装置因其不含运动部件具有的免维修特性,使其在如高温剧毒及放射性等特殊条件下的流体输送、取样和搅拌过程中具有特殊优势。
Heating transfer enhancement to surfactant drag-reducing fluid with mesh-screen in the duct;
添加网格对增强表面活性剂减阻流体传热性能的试验研究
The results indicate that the heat transfer reduction rate of the CTAC drag-reducing fluid increases with Reynolds number when Reynolds number is below the critical value and decreases rapidly when Reynolds number exceeds the critical value,the trends of heat transfer .
对不同工况下不同浓度和配比的CTAC减阻流体在二维流道中的减阻性能和传热性能进行了试验测试。
The effect of concentration,mixture ratio,Reynolds number and heat flux of CTAC surfactant drag-reducing fluid has been investigated in a two-dimensional channel by using pressure difference transducer and temperature measuring system.
针对在水中添加表面活性剂可以出现阻力系数减少而同时传热性能发生变化的现象,采用测压差装置和热电偶测温系统分别对二维流道内不同的减阻流体的减阻性能、传热性能进行了试验,研究了浓度、配比、雷诺数和热流密度对减阻流体传热与阻力系数之比值的影响。
The turbulence characteristics of a surfactant solution in changing from drag-reducing flow to turbulent flow inside two-dimensional smooth channel and in changing from mesh plug were investigated through phase Doppler anemometry (PDA) and particle image velocimetry(PIV) system.
应用相位多普勒测速仪(PDA)和粒子图像测速仪(P IV)对添加筛网后的十六烷基三甲基氯化铵(CTAC)减阻流体湍流流场进行试验研究,得到了减阻流体的速度脉动分布以及在筛网后不同位置的减阻流体湍流速度分布和平均速度分布。
The turbulence characteristics of a surfactant solution in changing from drag-reducing flow to turbulent flow inside two-dimension smooth channel and in changing from mesh plug were investigated through PIV (Particle Image Velocimetry) system in this study.
应用粒子图象测速仪对添加筛网后的CTAC(CetyltrimethylAmmoniumChloride)减阻流体湍流流场进行试验研究,得到了在筛网后不同位置的减阻流体湍流速度分布和平均速度分布。
It is also astonished to find that a series of local maximal values appear in the profiles of RMS of streamwise velocity fluctuations which indicates the high fluctuation layers are ubiquitous in drag-reducing flow.
该文采用粒子图像测速仪对矩形槽道内减阻流体二维流场进行测量,采用小波分析方法将流场分解为平均速度场与7个不同尺度的脉动场。
Drag reducing performances of Cetyltrimethyl Ammonium Chloride (CTAC) drag reducing fluid in two-dimensional channel under different experimental situations were measured.
通过对不同工况下氯化十六烷基三甲基季铵盐(CTAC)减阻流体在二维流道中减阻性能的测定,分析了温度、质量分数、配比变化对流体减阻性能的影响。
With an experiment, tests performance of cetyltrimethyl ammonium chloride drag reducing fluid in water system.
结合实验对CTAC减阻流体在流道中的减阻性能作了测试 ,分析了温度、浓度、配比变化对流体减阻性能的影响 ;应用激光相位多普勒测速仪测量了流体的速度场。
An experimental study was conducted of the turbulent flow field of a CTAC drag reducing fluid in a two dimensional flow channel with the use of PIV (particle image velocimetry) and PDA (Phase Doppler Anemometry).
本文应用PIV(ParticleImageVelocimetry)和PDA(PhaseDopplerAnemometry)在二维流道内对CTAC(CetyltrimethylAmmoniumChloride)减阻流体湍流流场进行试验研究,得到减阻流体湍流速度分布。
The new type of rheology controller has its application potential in drilling, Enhanced Oil Recovery (EOR) and liquid transportation drag reduction.
这种新型流变控制剂在钻井、提高采收率以及流体输送减阻中具有潜在应用价值。
Dynamic Characteristics on Friction Drag Reduction for Fluid Transport Using Flexible Tubes
柔性管流体输送紊流减阻的力学特征
Research on Ejecting Air to Reduce and Prolong Transportation Distance in Tri-phase Flow Pipeline;
三相流管道输送加气减阻与助送技术研究
Terms of conveying machinery--Fluid conveyor
GB/T14521.8-1993运输机械术语流体输送机
Experimental Research on Flow Resistance of Sewage in Pipes as Two Phase Flow
两相流动对污水管道输送阻力实验的研究
Research on Resistance Properties for Y Type Branch Pipe in Pneumatic Conveying Process
气力输送Y型分支管网流动阻力特性的研究
Experimental research on resistance properties for changeable angle Y-shaped branch pipe in pneumatic conveying
变角度Y形分支管气力输送流动阻力特性研究
Study on Stability and Reducing Transportation Energy of Variable Flow System;
变流量系统稳定性及减少输送能耗的研究
Product character： Good flow, film smooth, excellent adhesion, reduce the coefficient of rub and cut down the obstruction of transportation.
作用同时可有效降低管道内壁摩擦系数，减少输送阻力。
Welded steel pipe for low pressure service
GB/T3092-1993低压流体输送用焊接钢管
Welded stainless steel pipes for liquid delivery
GB/T12771-1991流体输送用不锈钢焊接钢管
Galvanized welded steel pipe for low pressure service
GB/T3091-1993低压流体输送用镀锌焊接钢管
Plasticized polyvinyl chloride tubing for transport of fluids
GB/T13527.1-1992软聚氯乙烯管(流体输送用)
Welded steel pipe for mine liquid service
GB/T14291-1993矿用流体输送电焊钢管
Stainless steel seamless pipes for fluid transport
GB/T14976-1994流体输送用不锈钢无缝钢管
On the option of the economical channel in the transportation of uncompressable liquids;
不可压缩流体输送中经济管径的选取
Numerical analysis of centrifugal pump handling different viscosity fluid
离心泵输送不同粘度流体的数值分析
Drag Reduction of Non-Newtonian Fluid in a Wavy-walled Tube for Steady Flow
定常流场下非牛顿流体在波壁管内的减阻特性