Industrial flow servovalve combined with an accumulator has been used in controlling the cylinder pressure to ensure system stability, velocity, and accuracy.
阐明根据工艺特点采用工业流量伺服阀和蓄能器控制油缸压力可以满足稳定、快速、准确的要求。
The carrier gas is often store in a steel cylinder with pressure and flow regulators.
载气常常装在带压力和流速调节器的不锈钢瓶里。
In the cavity flow mode, the drag of the cylinder was dramatically reduced by the upstream rod.
当圆柱处于空穴流动模式时，其阻力可以大幅度降低。
The gas flow and fuel spray status in combustion chamber are two important factors which affect the mixture formation in diesel cylinder.
而气缸或燃烧室内的气流运动和燃料的喷雾特性，是影响柴油机混合气形成和燃烧过程的两大重要因素。
Natural convection around a horizontal, isothermal cylinder in an infinite, fluid-saturated porous medium is modeled analytically using the Darcy flow model.
本文运用达西流模型，对饱和含湿多孔介质中环绕水平等温圆柱发生的自然对流进行了数值模拟和分析。
The separated flow around a circular cylinder in oscillatory flow are investigated. Some results, being comparable with experiments, are achieved.
计算了在振荡来流中绕圆柱的分离流动，得到了一些跟实验可比的结果。
The three dimensional flow field of the step cylinder in Hydraulic Control Rod Driving System (HCRDS) is calculated and analyzed with the computational fluid (dynamics) program CFX5 in detail.
应用计算流体力学程序CFX5对水力驱动控制棒步进缸内部的三维流场进行了计算和分析。
In this paper, the variable processes of the steady flow moving around rotating circular cylinder are visualized by the hydrogen bubble method with two cross wires.
本文对交叉布置的两根丝产生氢气泡的方法显示流谱作了探索，并对旋转圆柱绕流的变化过程进行了流谱显示。
So the control system should be started under large Angle of flow in order to avoiding striking the cylinder.
启动电流随导通角的增大而减小，控制系统应以大导通角启动，可防止撞缸现象。
In cylinder swirl is mainly formed by the strong air flow near the cylinder wall.
四气门柴油机缸内涡流主要由气缸周边处的强气流产生；
We will target the reasons for the low efficiency of low-pressure cylinder, Focus on the inlet air flow field and their organization's performance in this regard were analyzed.
在此主要针对低压缸效率偏低的原因，着重从低压进汽流场以及其气流组织的好坏这方面进行了分析。
But the loop flow in the middle of cylinder is too weak to scavenge the exhaust gas.
而在气缸中部较弱，难以将废气彻底排出。
Digital particle image velocimetry (DPIV) was applied to investigate the flow field around a circular cylinder undergoing sinusoidal oscillating movement in still water.
本文用数字粒子成像测速仪(DPIV)，对圆柱体在静水中作正弦振动而产生的振荡流场进行了实测研究。
We discuss a potential flow about a hollow circular cylinder of porous media in this paper.
本文主要讨论了绕多孔介质空心圆柱的有势流动问题。
Based on the above discussion and a great quantity calculation, the lock-in region of the flow about the oscillating cylinder was obtained.
在以上讨论和大量计算的基础上，本文最后给出了振动圆柱绕流的锁定区域。
Two dimensional particle image velocimetry system is used to investigate effects of the dielectric barrier discharge plasma on the flow field in the wake of circular cylinder cross flow.
利用二维粒子图像测速系统研究了低速风洞实验中介质阻挡放电等离子体对圆柱绕流尾迹区流场的影响。
When the bed load round the cylinder with water flow, a region of non sediment's moving will be formed in the bed layer near the cylinder.
试验发现推移质泥沙随水流绕过圆柱体时，将在圆柱周围的床面上形成一个无沙区。
Finally, by using this new method, flow in a 2-d lid driven cavity, flow around a circular cylinder, and flow simulation around NACA0012 airfoil with different Reynolds Numbers are performed.
最后，针对二维驱动空腔流、圆柱绕流及二维naca0012翼型在不同雷诺数的条件下，用新提出的方法进行了数值模拟。
Based on the simulation of the scavenging process in the HS-510 prototype engine, a loop flow and a swirl are found in the cylinder.
对原型机(小型HS 510航空发动机)的扫气过程数值模拟发现：在缸内存在环流和涡流。
A model for predicting the tumble speed is derived and verified by the steady flow rig and the in-cylinder flow measurement results by a LDA system.
据此建立了缸内滚流比预测模型，并在稳流试验和拖动工况下缸内流动的LDA测量试验中得到验证。
Two boiling flow models are introduced for the calculation of boiling heat transfer in cylinder head cooling gallery.
针对缸盖水腔内的冷却水流动沸腾传热计算，本文介绍了两种单相流沸腾模型。
The performance and emission characteristic of internal-combustion engine is decided by the reciprocity of the intake flow, in-cylinder mix and combustion process.
内燃机的性能与排放特性主要由进气流动、缸内混合和燃烧过程间复杂的相互作用所决定。
Then in order to suppress smoke and save energy, adjustments of fuel flow, injectors, valve clearance and cylinder compression, etc, are performed.
从供油量、喷油器、气门间隙和气缸压力等方面进行调整，以达到消烟节能的目的。
In this paper, PIV (Particle Image Velocimetry) is applied to study the characteristic of in-cylinder flow field under different valve lifts.
本文采用粒子图像测速技术研究了汽油机在不同气门升程下的气体流动规律。
It is concluded that the combustion chamber passage area, passage direction, passage shape and passage position have a strong effect on in-cylinder current motion and flow speed.
计算结果表明，燃烧室通道截面积、通道倾角、通道形状、通道布置对气流运动的形式及气流速度均有较大的影响。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method.
用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method.
用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
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