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- gas film stiffness 气膜刚度
- for getting the gas film pressure distribution between the two faces of a spiral-groove face seal (S-DGS).The static sealing performances, such as gas film stiffness and leakage rate were determined. 针对螺旋槽气体端面密封结构,用有限元法计算了密封端面的气膜压力分布及密封的气膜刚度和泄漏量等特性参数,分析了密封面的槽深比、螺旋角和槽长坝长比等两两变化时对密封特性的影响。
- Leakage flow rate,liquid film axial stiffness and the ratio of film stiffness to leakage rate of such a seal were compu... 密封环的约束对变形起着重要作用,选择合适的约束可以减小密封面转角,提高液膜刚度,增强密封工作稳定性。
- When hydroturbine generator runs in steady state,oil film stiffness and damping(OFSD)can greatly affect the unit s vertical vibration. 水轮发电机稳态运行时,油膜刚度与阻尼对机组的垂直振动有着重要影响。
- By means of introducing a structural damping and an oil film stiffness in Hertzian contact area, a contact mechanics model of the contact pair between roller and ring race is proposed comprehensively. 本文通过引入Hertz 接触区的结构阻尼和油膜刚度,较全面地建立了滚子-滚道接触副的接触力学模型,通过虚滚子的假设提出了圆柱滚子轴承的动态负荷模型。
- This paper firstly sets up mathematical model of gas flow in the gas film,under a series of hypothesis,calculation control equation -simplified Navier-Stokes equation and obtains boundary conditions. 首先建立了气膜流场中气体流动的数学模型,在提出了一系列假设条件的前提下,得到了气膜间隙中气体流动的控制方程即简化的纳维尔-斯托克斯方程及边界条件;
- The bandgap energy of Ar gas C60 thin film is 2.24 eV, and the bandgap energy of N2 gas film is 2.09 eV. Both are larger than that of vacuum C60 thin films (2.02 eV). 用直接跃迁吸收边关系得出在氩气和氮气中制备的C60薄膜的禁带宽度分别为2.;24eV和2
- Dynamic coefficients for gas film face seal 端面气膜密封动力特性系数的计算
- Study on Gas Film Soft Contacted Continuous Casting 气膜软接触连铸技术的研究
- gas film mass transfer coefficient 气膜传质系数
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- The paper gets some information about the outlines, velocity, areas, and change of gas films and internal contracts of balls in different sizes by using subtract operation, binary image, fill holes of images, and so on. 通过利用差影算法减少背景噪声、图像的二值化处理和填充处理、气泡特征分析、气泡中心坐标的确定等得到两相流中气泡、液滴和颗粒的尺寸和运动速度以及气膜分布等两相流重要参数。
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
