片语

circular tiny momentum theory微圆环动量理论

momentum conservation theory动量守恒定律

momentum transport theory动量传递理论

Froude momentum theory傅汝德动量理论

momentum-blade theory动量叶素理论

Angular Momentum Theory角动量理论

Momentum transfe theory动量输送理论

momentum space DWBA theory动量空间DWBA理论

英汉例句

• Combining momentum theory and vortex theory, rotor circulation equation was deduced. The rotor down-wash flow field was calculated using generalized down-wash flow model.

  结合动量理论和涡流理论，推导了桨叶环量方程，用广义尾流模型计算了旋翼下洗流场。

• To incorporate the important effects of the rotor wake, the far-field boundary condition derived from the rotor momentum theory and the cyclic boundary condition have been used.

  为了充分考虑旋翼尾迹对流场的影响，采用周期性边界条件和由动量理论导出的远场边界条件。

• The paper analyses the dynamic flow force of spool valves using the momentum theory of fluid.

  本文用动量理论对滑阀液动力进行了全面的理论分析。

• From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.

  本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式，在此基础上建立了二通插装阀阀芯关闭运动方程。

• By analyzing the characteristics of dynamics and using the momentum theory and blade theory, a computational method of helicopter rotor power and available power is deduced.

  为满足直升机部队计算机辅助决策、作战模拟推演等工作需要，用基本的直升机悬停性能和少量的原始数据作支持，对旋翼功率及其拉力计算方法进行建模。

• The approach of blade-element theory is opposite that of momentum theory since it is concerned with the forces produced by the blades as a result of the motion of the fluid.

  叶片元素理论的方法与动量原理的方法相反，因为它关注的是由流体运动导致叶片产生的力。

• The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.

  引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。