The structure, performance and features of a newly developed non-contacting gas film seal were introduced.
介绍了一种新型气膜密封结构、性能特点及其应用。
A method for calculating the dynamic characteristics of the gas film on the back of the pad is introduced.
文中介绍了瓦背气膜动特性的计算方法。
The relation between the air supply pressure and the characteristic parameters of the gas film is discussed.
本文分析了供气压力与气膜诸特性参数的关系。
With it, some characteristics of the gas film cooling after liquid film vaporized-out point have been revealed.
并从试验中发现了液膜蒸干后气膜段冷却的一些特点。
The adaptable finite element method is used for calculating the pressure distribution of gas film for face seal.
在有关端面密封气膜压力分布的计算中，采用了对几何结构适应性强的有限元素法。
The gas film stiffness of air bearing reflected its carrying capacity, was an important index of air bearing quality.
气浮轴承的气膜刚度代表其承载能力，是衡量气浮轴承质量的一项重要指标。
Based on a viscosity amendment model of gas flow in micro-gap, squeezs gas film damping effect on micro plates is investigated.
基于微缝隙气流的粘度修正模型，分析了气体对微圆盘的压膜阻尼效应，得到微圆盘表面的压强分布、压膜阻尼力和压膜阻尼系数的解析解。
With the increasing of seal face's positive taper, the stiffness of gas film is obviously increased, but the leakage of seal is also increased.
密封端面正锥度的增加能使密封气膜刚度显著提高，但同时也使密封的泄漏量有所增加。
With the increasing of seal face's positive taper, the stiffness of gas film would obviously increase, but the leakage of seal would also increase.
密封端面正锥度的增加能使密封气膜刚度显著提高，但同时也使密封的泄漏量有所增加。
The effects of surface roughness at different areas of the seal faces on the performances such as gas film stiffness and leakage rate of a S-DGS were studied.
结果表明：密封端面各区域表面粗糙度对密封性能的影响规律各不相同，并且转速对表面粗糙度与密封性能的关系产生影响；
The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.
螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.
本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状，转子内流系统应用气膜密封的有关研究进展。
With the hypothesis of critical gas film thickness, a criterion for expressing the opening behavior of DGS, namely the critical opening rotational speed (CORS), was proposed.
根据开启临界气膜厚度的假设，提出了用于分析干式气体密封开启性能的判据——开启临界转速。
For orifice compensated aerostatic bearings, entrance effect leads differences between actual pressure distributions and traditional laminar flow assumption in gas film of the bearings.
小孔节流空气静压轴承中，由于进口效应现象的存在导致轴承气膜内实际压力分布不再符合传统的层流假设。
The small perturbation method and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
应用微扰方法和有限元法，对端面气膜密封三自由度微扰下，密封气膜的刚度和阻尼系数进行了数值求解。
The fitted curves for air supply pressure to the stiffness of gas film obtained from tests are plotted, and empirical expressions for these curves worked out by regressive analysis are given.
通过实验，得到供气压力与气膜刚度之间的拟合曲线，并用回归分析法，建立两者函数关系的经验公式。
Through the combination of ANSYS simulation and experimental data, the conclusion is drawn that the enhancement of the thin gas film can improve the static bearing capacity of the air bearing.
通过ANSYS仿真和实验数据相结合得出了结论：气膜内稀薄效应的增强，可以一定程度上提高气浮支撑的静承载能力。
The equation governing the gas film between the seal faces-Reynolds equation was solved by means of the finite element method, and the film pressure distribution between the seal faces was gained.
利用有限元法求解密封端面间气膜控制方程——雷诺方程，得到了端面膜压分布。
Smoothest approximation method, with high precision and capacity of keeping concave and convex feature of original outlines, is used to deal with the derivative discontinuity of gas film thickness.
对于一阶导数间断的物理量——气膜厚度采用高精度保凸性磨光法进行处理。
The results indicate that the film pressure distribution is changed, and the performance parameters such as opening force, gas film stiffness, leakage are dramatically influenced by the face coning.
结果表明，锥度改变了端面膜压分布，并显著影响开启力、气膜刚度以及泄漏率等参数；
The three-dimentional laminar Navier-Stokes equations were solved for getting the gas film pressure and velocity distributions in the steady state, and the flow styles in the clearance were analyzed.
通过求解三维层流N-S方程，得到了端面气膜稳态压力场及速度场分布，分析了气体在端面间隙内的流动形式。
It is posed that angular air-hammer self-excited vibration and half frequency wobble self-excited vibration are two reasons for resulting angular wobble self-excited vibration for gas film face seals.
提出造成气膜端面密封角向摆动自振的内在机理，既有半频摆动自振又有角向气锤自振。
By now, the disc is floating on this film of escaping gas.
现在圆盘浮在，逃出气体的上方。
When electricity, whether from photovoltaic cell, wind turbine or other sources, runs through the electrode, the cobalt and phosphate form a thin film on the electrode and oxygen gas is produced.
当电流——无论是来自光伏电池、风轮机还是其它来源——穿过电极时，钴和磷酸盐会在电极上形成一层薄膜，氧气就生成了。
Mrs Tymoshenko, who is accused of illegally concluding a gas-price agreement with Russia in 2009, even stood on a bench to film the incident on her mobile phone.
但季莫申科夫人却站在长椅上，用手机饶有兴致地把这段插曲录了下来。此前，她被指控于2009年与俄罗斯非法签订天然气价格协议。
At this point, it is necessary to set up the component to resist the internal force of the film surface, which can be a tubular metal frame, but also a thin film gas rib.
此时需要设置抵抗膜面内力的构件，该构件可以是管状的金属构架，也可是薄膜气肋，即：内充高压气体而具有一定抗弯刚度的管状。
Now, we'll slip the tinfoil between the disc and the plate glass top of the table showing that there is indeed a space, a thin film of gas between the disc and the glass upon which it's resting.
我把铝箔放到，底座和桌面间，说明中间，有间隙，底座压在一层很薄的气体上。
Now, we'll slip the tinfoil between the disc and the plate glass top of the table showing that there is indeed a space, a thin film of gas between the disc and the glass upon which it's resting.
我把铝箔放到，底座和桌面间，说明中间，有间隙，底座压在一层很薄的气体上。
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