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   gas film 在 航空航天科学与工程 分类中 的翻译结果: 查询用时:0.196秒
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gas film
相关语句
  气膜
    ANALYSIS OF REVISORY QUASI ONE DIMENSIONAL COMPRESSIBLE FLOW FOR GAS FILM FACE SEAL
    端面气膜密封修正准一维可压流分析
短句来源
    FACE CONFIGURATION WITH HIGH PERFORMANCE FOR GAS FILM FACE SEAL
    端面气膜密封的高性能端面结构
短句来源
    Dynamic coefficients for gas film face seal
    端面气膜密封动力特性系数的计算
短句来源
    Firstly, using GAMBIT carves up gas film’s mesh in the hydrostatic gas spherical bearing, set up model and set sound boundary condition.
    首先用GAMBIT对球轴承的气膜划分网格,建立模型,确定合理的边界条件。
短句来源
    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.
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  “gas film”译为未确定词的双语例句
    1. The combustor don't fail if transient rise of temperature field is neglected, the stress field of combustor cann't cause gas film wall rupture.
    1.在忽略瞬态升温过程得到的稳态温度场作用下,火焰筒的热应力不足以导致裂纹萌生,所以仅进行稳态分析不能得到合理的结论。
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  gas film
The dynamic behavior of a cylindrical membrane and a circular membrane rotating on a thin gas film is studied theoretically.
      
Dynamic behavior of a very flexible membrane rotating on a gas film next to a wall
      
Stable operation was achieved at high gas flow rates where gas film transport effects were negligible.
      
The desulfurization rate of matte and the volatilization of minor elements in copper matte were primarily controlled by the mass-transfer rate through the gas film boundary layer around rising gas bubbles.
      
The experimental results are best explained by postulating the existence of a gas film at the slag metal interface.
      
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According to the flow characteristics of the composed liquid-gas film, a"four-storied" flow frame physical model is established.In the light of assumptions proposed, theoretical Calculations have been made on flow frame and cooling effect of liquid film flow section at first and theoretical estimation of cooling characteristics of the followed gas film flow section has been developed by analytical method. Under set experimental conditions, verifying experiments have been performed.The results...

According to the flow characteristics of the composed liquid-gas film, a"four-storied" flow frame physical model is established.In the light of assumptions proposed, theoretical Calculations have been made on flow frame and cooling effect of liquid film flow section at first and theoretical estimation of cooling characteristics of the followed gas film flow section has been developed by analytical method. Under set experimental conditions, verifying experiments have been performed.The results indicae that the theoretical calculations are conformed to the experimental investigation on the whole.And the theoretical research work on the gas film section is an important effort.With it, some characteristics of the gas film cooling after liquid film vaporized-out point have been revealed.A practical way is presented for theoretical study on the cooling effect nf composed liquid-gas film flow.This paper is of certain value to the development of cooling instrument of new aero-space propulsion systems.

本文针对液膜及气膜组合流动的特点,提出了组合薄膜流动的“四层式流场物理模型”.根据所做简化、假设,对液膜区流场结构及冷却效果进行了理论计算,并通过分析方法,对其紧接的气膜段流动及冷却效果进行了理论预估.试验的结果表明:液膜段的理论计算与试验数据基本相符.并从试验中发现了液膜蒸干后气膜段冷却的一些特点.这对研究液体冷却时液膜及气膜组合流动的冷却效果提出了可行的途径.

A new-type of gas lubricated foil thrust bearing, with characteristics of simplicity and stability, is presented together with its theoretical analysis in this paper. By coupling the compressible, two-dimensional equations for gas lubrication with the deformation equations for an elastic piate, the gas film thickness and pressure distribution of the bearing are computed using an isoparametric finite element method. Bearing testings reveal that this new-type of bearing can run normally at high speed under...

A new-type of gas lubricated foil thrust bearing, with characteristics of simplicity and stability, is presented together with its theoretical analysis in this paper. By coupling the compressible, two-dimensional equations for gas lubrication with the deformation equations for an elastic piate, the gas film thickness and pressure distribution of the bearing are computed using an isoparametric finite element method. Bearing testings reveal that this new-type of bearing can run normally at high speed under certain loadings.

本文提出一种结构简单、稳定性好的新型挠性气体动压推力轴承,并对其进行了理论分析。即将可压缩二维气体动压润滑方程与弹性板的变形结合起来,用等参数有限元法计算轴承的气膜厚度分布和压力分布。试验表明,新型轴承能在高速下正常运转并承受一定载荷,稳定性能良好。

A theoretical study has been performed to investigate the influence of manufacturing errors on the bearing housing of a gas lubricated journal bearing with compliant surface I in particular on the bearing load capacity. A gas film thickness distribution is presented, in which errors o f both circumferential and axial bearing housing are considered. The influence of the errors on bearing performance is compared between rigid and compliant surface bearings. It was shown that the compliant surface bearings...

A theoretical study has been performed to investigate the influence of manufacturing errors on the bearing housing of a gas lubricated journal bearing with compliant surface I in particular on the bearing load capacity. A gas film thickness distribution is presented, in which errors o f both circumferential and axial bearing housing are considered. The influence of the errors on bearing performance is compared between rigid and compliant surface bearings. It was shown that the compliant surface bearings are less sensitive to the manufacturing errors than the rigid surface bearings. Thelefore, the cost of compliant surface bearing could be reduced by setting a larger manufacturing error tolerance.

对挠性表面径向气体轴承进行了理论分析。提出一种同时考虑轴承孔圆度误差及柱度误差和弹性变形的气膜厚度分布表达式,分析了加工误差对轴承静特性(承载能力、摩擦力矩、姿态角)的影响,并与刚性表面轴承作了对比分析。结果表明,挠性表面轴承对加工误差的敏感程度较刚性表面轴承低,故在不使轴承性能下降过多的情况下,可以设置较大的加工允许误差,从而达到降低加工成本的目的。

 
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