The second part studies and analyzes the tip leakage flow and tip vortex.
第二部分对叶顶间隙泄漏流动和叶尖涡进行了研究分析。
Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.
上游静叶干涉减少了动叶顶部二次泄漏流强度。
Based on predecessor's work, we have modified the mathematical model for leakage flow in power steering pump.
在前人研究工作的基础上,建立了转向泵漏油流量的数学模型。
Under high frequency usage condition, the internal leakage flow rate of the piston is almost near zero condition.
在高频使用状态下,活塞的内泄漏量几乎接近于零状态。
The results showed that the main flow rolled up the leakage flow of the tip clearance and generated the tip leakage vortex.
结果表明:叶顶间隙气流与主流发生卷吸而生成泄漏涡。
It was revealed that the effect of depth of a honeycomb seal cell on the leakage flow did not exhibit a linear relationship.
实验研究了蜂窝密封的泄漏特性,发现蜂窝深度对漏气量的影响并不呈线性的规律。
The computed conclusion show that the magnitude of tip clearance has close relationship with the intension of tip leakage flow.
根据所测量得到的三维速度,清楚地展现了转子顶部流动的特性,特别是泄漏流对顶部流动的影响。
The comparison between the viscous and non-viscous simulations shows that the intensive blockage area is caused by shock-leakage flow interaction.
对粘性与无粘结果的比较显示,由泄漏流所产生的激波后阻塞区是由激波-漏流干扰所致,粘性的作用将削弱其面积和强度。
The intensity of rotor wakes was reduced, flow separation on rotor suction side was suppressed and the tip leakage flow was suppressed periodically.
动叶尾迹强度明显减弱,叶背流动分离得到抑制,叶尖泄漏涡也得到了周期性的抑制。
Solid particulate conveying characteristic is given by backwards leakage flow rate through intermeshing region and formulated as a conveying efficiency d.
粒子的固体输送特性,在啮合段形成的返向漏流速率是依靠螺杆的设计参数和质量密度。
Additionally, the larger the circumferential velocity component of hub leakage flow, the greater the deleterious effect of hub leakage upon the rotor flow.
另外,叶根泄漏流的周向速度分量越大,泄漏流对转子流场的不利影响也越大。
The results show that the tip leakage flow vortex has a great effect on the blade aeroelastical stability and large tip leakage vorticity may restrain blade flutter.
计算结果表明,漏流涡对叶片气弹稳定性影响较大,大涡量的漏流涡能抑制叶片颤振发生。
Tip leakage flow in a compressor which designed by use of Computer Aided design System was investigated by numerical method, for different tip leakage at design flow conditions.
采用离心压气机计算机辅助设计系统,设计了一个离心压气机叶轮,对这一叶轮在不同叶尖间隙下内部流场进行了数值计算。
More than 5000 hours test showed that the advanced design is superior to the former ones. The leakage flow is fairly stable with the change of the temperature of injection water.
经5000多小时试验表明,改进结构比其他两组密封部件的性能优越,当注入水温度变化时,泄漏量相当稳定。
In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.
本文针对几种不同形态的叶栅顶部间隙,在环壁转动与静止的不同情况下,研究间隙内的泄漏流动对三维粘性流场的影响。
The Basic structures of finger seal were introduced, and according to the features of finger seal structure, the mathematic model and calculating model of finger seal leakage flow were set up.
介绍了指尖密封的基本结构,并根据指尖密封的结构特点,提出了指尖密封泄漏流动的数学模型和计算模型。
The leakage flow and total temperature increase characteristics of a honeycomb labyrinth seal used in a typical gas turbine were numerically investigated and compared with a smooth labyrinth seal.
详细介绍了三种典型阻尼密封技术袋型阻尼密封、蜂窝阻尼密封和孔型阻尼密封的结构特点、动力学特性和阻尼机理及研究和应用现状。
The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and blade tip leakage losses, and low efficiency.
先进的小发动机涡轮的流量小,叶片短,展弦比低,二次损失及叶尖漏泄损失大,效率低,温度高冷效差。
The DMA technology and the relationship between flow and leakage of pipeline network measured at night are described. The application and execution of DMA technology are also introduced.
阐述了DMA技术方法和分区装表计量的管网夜间流量与管网漏损的关系,介绍了DMA技术的应用技术路线和实施方案。
High viscosity gear pump does not generate pressure, it is only the output flow. Pressure is low or no pressure, high viscosity gear wheel pump don't inhale the liquid or leakage is serious.
高粘度齿轮泵并不能产生压力,它只是输出流量。压力低或无压力,说明高粘度齿轮泵没有吸入液体或泄漏严重。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.
下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
The actual flow reciprocating pump flow rate than theory, and with the increased pressure head decreases, which is due to leakage caused.
往复泵的实际流量比理论流量小,且随着压头的增高而减小,这是因为漏失所致。
Backflow, separation and vortices result from hub leakage lead to a complex flow structure near hub in the stator passage.
由泄漏流引起的回流、分离和旋涡等使静子中靠近轮毂处流场十分复杂。
When the case is moving, the second leakage on the tip of splitter happens more easier, but the flow on the cascade tip is improved.
存在壁面移动时,二次泄漏更容易发生,但间隙流动得到改善;
A leakage current will flow around this loop, but won't affect the measurement.
泄漏电流将在此回路中流动,但是不影响测量。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时,阀片的启闭与压差的变化之间存在一定的相位差,有可能引起泄漏甚至反向流动。
This kind of water decanter working steadily, easy control, no leakage, flow smoothly and not disturb the sludge.
此种滗水器具有运行稳定、控制简单、不漏水、水流运动平稳、不扰动污泥层等特点。
Flow pattern and velocity field of air leakage in goaf.
采空区漏风流态及速度场。
Flow pattern and velocity field of air leakage in goaf.
采空区漏风流态及速度场。
应用推荐