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   圆弧轨道 的翻译结果: 查询用时:0.605秒
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圆弧轨道
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  arc track
     Based on the kinematical design criterion of equi-chord percent ratio and spatial rigid body guiding mechanism, Three theoretical design methods of arc track, non-arc track, and helical track are proposed in this thesis, meanwhile, different design methods about prime flap and sub-flap driving mechanisms are completed.
     对后缘三缝富勒襟翼工作时的3个关键位置,按照“等弦长百分比”运动的设计准则和空间刚体引导机构的设计思路,提出了圆弧轨道、非圆弧轨道和螺旋线轨道等3种空间位置引导轨道的设计原理,并分别给出主襟翼和子襟翼驱动机构的不同设计方法。
短句来源
  circular orbit
     Numeral Solution and Analytical Solution of Friction on Object Sliding down on Circular Orbit
     物体沿圆弧轨道下滑时摩擦力的数值解与解析解
短句来源
  “圆弧轨道”译为未确定词的双语例句
     Discussion on Analysis and Calculation for Hoist Crab Circular Rail Curve Girder
     葫芦小车圆弧轨道曲梁的分析与计算探讨
短句来源
     Two question of space circular arc orbit calculation during drilling directional well
     定向井钻井空间圆弧轨道计算的两个问题
短句来源
     DESCRIPTION AND CALCULATION OF THE WELL PATH WITH SPATIAL ARC MODEL
     空间圆弧轨道的描述与计算
短句来源
     The comparison of the computational results of flap movements indicates that three operational positions of the wing flaps guided through the different tracks are nearly close to each other and the non-arc-track is better to guide the flaps to the original three positions exactly.
     计算结果表明,不同的轨道下所得的襟翼3个工作位置从几何角度看比较接近,其中非圆弧轨道能够使襟翼在3个工作位置与预先设计的姿态完全相同。
短句来源
     According to the plan demand of well path and the feature of spatial arc,a series of formulae,including coordinate,inclination,azimuth,rate of inclination change,rate of azimuth change and tool face angle,are presented in this paper for spatial arc model.
     文章结合井眼轨道的设计要求和空间圆弧的特点 ,提出了空间圆弧轨道上的坐标、井斜角、方位角、井斜变化率、方位变化率和装置角的计算公式。
短句来源
  相似匹配句对
     DESCRIPTION AND CALCULATION OF THE WELL PATH WITH SPATIAL ARC MODEL
     空间圆弧轨道的描述与计算
短句来源
     Track desigh
     轨道设计
短句来源
     Arc Fitting
     圆弧拟合
短句来源
     Two question of space circular arc orbit calculation during drilling directional well
     定向井钻井空间圆弧轨道计算的两个问题
短句来源
     Track Buckling
     轨道臌曲
短句来源
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  arc track
The paths were placed near the internal MTO gate connections, where the arc track marks were found on a failed device.
      
  circular orbit
Periodic Perturbations of the Parameters of Motion along a Near Circular Orbit in a Noncentral Field
      
The spacecraft is launched from a circular orbit of an Earth's artificial satellite and, upon passing through a point (or points) of libration, returns to the initial orbit.
      
A restricted problem formulation is considered, when the satellite's center of mass moves along a fixed circular orbit.
      
The possibility of using the mode of single-axis solar orientation is considered for a satellite placed into a nearly circular orbit with an altitude of 900 km and bearing a solar sail.
      
The spacecraft is launched from a certain circular orbit of a planet's satellite.
      
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In this paper the author approaches the structure analyese external force characteristics of the circular curve girder, have deduced the calculation formulas for circular rail curve girder, and have discussed the influences cf curve girder suppert stiffness changes and the constrained torsion factor that consisted in thin-walled curve girder on curve girder strength.Finally,recommende a solution method for this engineering problem.

本文针对葫芦小车圆弧轨道曲梁的结构和受力特点进行了探讨与分析,推导提出了计算圆弧曲梁的实用公式,并讨论了曲梁支座刚度的变化和薄壁曲梁存在的约束扭转因素对曲梁强度的影响,最后推荐了解决该问题的方法。

The analytical solution and preciser numeral solution of friction on object sliding down on circular orbit are investigated.Moreover, the distribution characteristics and function of friction are discussed.

研究了物体沿圆弧轨道下滑时摩擦力的解析解以及较高精度的数值解.讨论了摩擦力分布特性和作功

Spatial arc,as a typical model to plan a 3D well path,is widely applied in planning the path of multiple targets well,branch well,sidetrack well and in rectifying the path of directional well,horizontal well and extended-reach well.The problem becomes even more complicated for two reasons:A 3D well path is usually planned and calculated in the vertical plot and the horizontal plot;on the other hand the spatial arc is not a simple curve as arcs in these two plots.As a result,approximation formulae have been used...

Spatial arc,as a typical model to plan a 3D well path,is widely applied in planning the path of multiple targets well,branch well,sidetrack well and in rectifying the path of directional well,horizontal well and extended-reach well.The problem becomes even more complicated for two reasons:A 3D well path is usually planned and calculated in the vertical plot and the horizontal plot;on the other hand the spatial arc is not a simple curve as arcs in these two plots.As a result,approximation formulae have been used to calculate a spatial arc.According to the plan demand of well path and the feature of spatial arc,a series of formulae,including coordinate,inclination,azimuth,rate of inclination change,rate of azimuth change and tool face angle,are presented in this paper for spatial arc model.All of these formulae,testified by many examples,provided such exact solutions abstractly that they lay a foundation for the further application of spatial arc model and the path plan improvement of 3D wells.

空间圆弧作为一种典型的井眼轨道模型 ,广泛应用于多目标井、分支井、侧钻井等三维井眼轨道设计 ,以及定向井、水平井和大位移井的调整轨道设计。由于三维井眼轨道的设计与计算通常都是在垂直剖面图和水平投影图上进行的 ,而空间圆弧在这两个平面上又都不是像圆弧那样的简单的曲线形式 ,所以增加了问题的复杂性。由于这种原因 ,目前对空间圆弧轨道的计算多采用近似公式。文章结合井眼轨道的设计要求和空间圆弧的特点 ,提出了空间圆弧轨道上的坐标、井斜角、方位角、井斜变化率、方位变化率和装置角的计算公式。这些计算公式在理论上是精确解 ,具有普遍适用性 ,从而为空间圆弧轨道模型的进一步应用和三维井眼轨道设计奠定了基础。所有公式都通过算例进行了验证。

 
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