泄漏量

应用Fluent软件计算迷宫密封斜齿角度和三角齿型对迷宫密封流场和泄漏量的影响。

The effects of seal teeth angles and triangle seal teeth in labyrinth seal on the flow field and leakage rate were evaluated by using Fluent software .

结果表明：载荷系数对密封的泄漏量有较大影响，当载荷系数小到一定程度时，密封不稳定；WC和石墨配对密封性能稳定，密封寿命较长。

The results indicate that load coefficient had a rather large influence on the leakage rate . When load coefficient is decreased to a certain value , the seal shows unstable performance .

在工作进行的过程中，BP表示，这个方法将会增加石油的泄漏量。

And in the process of doing that , BP is saying that it 's going to increase the amount of oil that 's flowing out .

采用CFD方法，应用k-ε湍流模型，SIMPLE算法，计算了迷宫密封内的速度分布、压力分布及泄漏量。

According the CFD technology , the velocity distribution , pressure distribution and leakage of the labyrinth seals were gained by means of k - ε turbulence model and SIMPLE algorithm .

最小可检测的泄漏量为5m~3／h左右，为总流量的0.6%左右，泄漏点定位精度为全管长的2%左右。

The minimal amount of leak that can be detected is 5m3 / h , approximately 0.6 % of the total flow rate , location error is about 2 % of the total length of the pipeline .

通过自定义函数，将滑移边界条件引入CFD计算中，比较了滑移流动和无滑移流动两种状况下的密封性能，结果表明，滑移流动对密封的泄漏量有较大影响，对开启力影响较弱。

The sealing performance both in slip boundary and non-slip boundary was compared , the results showed that the slip boundary had a great effect in the leakage but much weaker on the open force .

泄漏量的计算关键是如何求得油膜的最大压力梯度，用有限元法的ANSYS软件可以求出油膜的压力分布，从而可得到最大压力梯度。

The key of leakage calculation is how to obtain the maximum oil film pressure gradient . Using finite element method ( ANSYS software ) can get the oil film pressure distribution , and then obtain maximum pressure gradient .

试验结果表明，HTV塔板保持了F1型浮阀塔板结构简单等优点，但其雾沫夹带量和泄漏量小，氧气解吸效率和氨气吸收效率均较F1板高出约5%。

The experimental results indicate that the construc-ture of HTV tray is as simple as F1 tray . It possesses less entrainment and leakage than F1 tray , and mass transfer efficiency has increased by 5 % .

结合石油化工行业生产的实际，介绍一种炼化装置挥发性有机物检测方法，并依据EPA的计算方法对装置的挥发性有机物的泄漏量进行了估算。

This paper introduces one test method of VOC in refinery units with the practice of petrochemical industry . And , rough calculation on quantity of VOC leak in unit is made according to EPA method .

本文利用状态方程建立阀控非对称液压缸的数学模型，利用MATLAB软件对所建立的状态方程模型进行仿真分析，以确定液压缸泄漏量的变化对液压系统动态特性的影响。

Based the mathematic model of value controlling unsymmetrical hydraulic cylinder set up by state equation , and the simulation analysis of state equation model by MATLAB software , the effect of dynamic characteristic of hydraulic system arose from the change of leakage of hydraulic cylinder was determined .

但是负责对美国的核设施进行监管的美国核管理委员会（NRC）表示，这次三重氢的泄漏量在联邦设立的安全限制以下。

But the U.S. Nuclear Regulatory Commission , or NRC , which s facilities in the United States , said the tritium leaks fell below the federal safety limits .

本文通过氧气等级分析给出BEPCⅡ制冷机房通风量，BEPCⅡ系统安全阀氦泄漏量以及室内氧气体积浓度估算方法。

In this paper the ventilation volume of BEPC ⅱ refrigeration room though oxygen deficiency hazard class is presented . The model for calculating the leak rate of BEPC ⅱ safety valves and O_2 volume concentration is presented .

对GY70型机械密封的基本性能进行了试验研究，得出了弹簧比压、介质压力以及转速对机械密封泄漏量和摩擦功耗的影响规律。

In the computer aided testing device of the mechanical seal system , the experimental investigations on the basic performance of the GY70 mechanical seal has been carried out .

然后选择计算模型，确定边界条件，利用有限体积法的CFD-Fluent软件，计算该密封流体激振力和泄漏量；

And following , decides model for calculation and boundary conditions , calculates the forces on shaft and mass flow rate through the seal with CFD-Fluent which bases on finite-volume .

经过验证得到：选用的管道符合LBB技术对于裂纹稳定性以及泄漏量可探测性的条件，满足从开始泄漏到裂纹失稳的时间要求。

It is demonstrated that the pipe meets the conditions that the crack is stable and the leakage is detectible which LBB asks for , and it also satisfies the time request from the beginning of leak to the moment at which the crack is unstable .

水压环形缝隙泄漏量的试验研究

A Leakage Testing Research for Annular Gap under Water Hydraulic Pressure

液压缸活塞杆密封的泄漏量计算

The Leakage Calculation of the Cylinder Rod Sealing on Hydraulic Cylinder

液压元件泄漏量原位检测评估模型研究

Evaluation Model Study of Hydraulic Components Leakage for In Situ Testing

自行火炮液压系统油液内泄漏量数学模型研究

Study on Leaky Fault Mechanism of Hydraulic Fluid of Self-Propelled Artillery

高中压合缸汽轮机组高、中压缸间蒸汽泄漏量的测定

Determination of steam leakage between high and medium pressure cylinders

往复式机械密封泄漏量的计算与分析

The Calculation and Analysis of Leakage of Reciprocating Machine Seals

阶梯式迷宫密封泄漏量和动特性数值研究

Numerical study of leakage and dynamic coefficients of stepped labyrinth gas seals

三位液压换向滑阀对中性对其内泄漏量的影响

Effect of Alignability of Three-position Reversal Spool Valve on Internal Leakage Flowrate

迷宫密封齿型对密封流场与泄漏量的影响

Influence of labyrinth seal teeth shape on sealed flow field and leakage

两种不同槽形气体端面密封泄漏量的试验研究

Experimental research on the leakage of two kinds of dry gas seal

旋转式压力能交换器密封端面液膜压力和泄漏量的数值模拟

Numerical Simulation on Pressure Distribution and Face Leakage of Rotary Pressure Exchanger

装配型输油管道抢修泄漏量的仿真计算

Simulating Calculation of Leakage Volume in Coupled Petroleum Pipeline 's Emergency Repair

切头锯迷宫密封原理及泄漏量的控制

Labyrinth Seal Principle and Leakage Control for Cutting-end Saw

设备泄漏量分析计算差异的探讨

Analysis on the Calculation of Leakage Quantity for Equipment

气体泄漏量超声检测理论分析及实验

The Theoretical Analysis and Experiments of Using Ultrasonic to Inspect the Leak Amount