Perfection and betterment of the extreme hypotheses on the problem of hydraulic geometry.
极值假说在研究河相关系问题上的完善与改进。
Combined with resistance equation of channel and critical incipient shear stress, the method of designing hydraulic geometry of stable channel is set up in this paper.
结合渠道阻力关系及临界起动切应力，可得到稳定渠道水力几何形态设计的方法。
Hydraulic valve block balance weight piston sleeve has thin wall, high precision of geometry dimension and strict roughness, and its quality determines the lifetime of balance weight directly.
缸块平衡块的活塞套壁薄，几何尺寸精度要求高，粗糙度要求严格，其质量好坏直接决定平衡块的寿命。
The hydraulic cartridge cone valve is chosen for the study of possibility to explore its effects of geometry parameters and boundary condition on flow field and cavitation of cone valve.
以插装型液压锥阀为研究对象，研究了几何结构参数及边界条件对锥阀流场及气穴现象的影响。
Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。
Rotor balancing of hydraulic power sets is studied by the nonlinear rotor-dynamics theory, the lots of factors are analyzed, and the geometry and mechanics models are created.
同时针对该电站水轮发电机组转子动不平衡现象，采用基于非线性转子动力学理论方法对机组动平衡进行了研究。
Rotor balancing of hydraulic power sets is studied by the nonlinear rotor-dynamics theory, the lots of factors are analyzed, and the geometry and mechanics models are created.
同时针对该电站水轮发电机组转子动不平衡现象，采用基于非线性转子动力学理论方法对机组动平衡进行了研究。
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