An experimental investigation was completed for studying the flow field between two contra-rotating fans.
采用实验方法对对旋风机对旋叶轮级间流场进行了研究。
The contra-rotating turbine disks of an aero-engine were simplified as a counter-rotating plan disk system.
将反向旋转的高低压涡轮盘简化成了几何形状相对简单的反转盘系统。
So, how studies can accurately prediction to the contra-rotating propeller hydrodynamic performance is more important.
所以，研究如何更能准确地预报对转螺旋桨水动力性能更为重要。
The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。
By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.
通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。
Gough tubular conveyors have no moving parts... only contra-rotating motors. The simple design makes this unit environmentally safe and user friendly.
这款管式输送机无活动件，只有倒转马达。简单的设计使其非常安全，方便用户。
This article introduces the design features, pneumatic design of explosion-proof contra-rotating axial fan, and the design, manufacture of fitted motor and the safety measures.
文章综述了煤矿用防爆对旋轴流风机的设计特点、气动设计、配套用电机设计以及加工制造和保证安全可靠的措施。
The thrust and the torque of the contra-rotating propeller has been calculated by this method, and its result is satisfying on the comparison and the analysis with the actual value.
通过该方法计算了对转螺旋桨的推力和转矩，并与实验值进行了比较和分析，其结果令人满意。
The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.
介绍了叶片分离器的工作原理和关键参数，并对加装了叶片分离器的对旋轴流风机进行了性能测试试验。
The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.
通过对对旋式轴流通风机小流量特性的分析，并利用实验验证分离器能够控制和改善对旋风机小流量内部流动特性，从而获得叶片分离器设计和使用的一些关键技术。
The main difference, apart from the scale of the machines, is that the cyclotron fired its particles into a static target whereas the LHC USES contra-rotating beams to achieve head-on collisions.
除了机器的规模，LHC和回旋加速器的主要区别是回旋加速器使粒子撞向静态目标，而LHC用的不是静态目标，用的是逆时针方向传播地质子束来达到正碰。
The main difference, apart from the scale of the machines, is that the cyclotron fired its particles into a static target whereas the LHC USES contra-rotating beams to achieve head-on collisions.
除了机器的规模，LHC和回旋加速器的主要区别是回旋加速器使粒子撞向静态目标，而LHC用的不是静态目标，用的是逆时针方向传播地质子束来达到正碰。
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