1) unsteadiness
[英][ʌn'stedinis] [美][ʌn'stɛdɪnɪs]
非定常性
1.
Experimental investigation of asymmetry vortex unsteadiness over slender cylinders;
绕细长旋成体非对称涡非定常性的实验研究
2.
And the effect of the unsteadiness induced by these components on the flow was analyzed at high incidence.
本文首先通过动态测量手段研究了大攻角流场中的能量成分,分析了各种成分引发的非定常性对大攻角流动的影响。
3.
Effects of tip clearance size and mass flow rate on unsteadiness of tip leakage flow are investigated by numerical simulation.
采用数值模拟方法研究了不同间隙、不同流量工况下叶顶泄漏流非定常流动特征,发现在研究的三个间隙中,只有当间隙大于或等于设计间隙时,流动才会出现非定常性。
2) unsteady characteristics
非定常特性
1.
The unsteady characteristics of the wake of underwater vehicle such as submarine are the main sources that cause the low-frequency broad-band noise radiated by propeller behind the vehicle.
水下航行体尾部湍流的非定常特性,是引起运转中的推进器低频宽带噪声的主要流场因素。
3) unsteady performance
非定常性能
4) extreme stability
非常稳定性
1.
in this paper, we first use a new method to obtain some new results concerningthe uniform boundedness, uniformly ultimate boundedness and extreme stability of solutionsof higher dimensional systems.
本文首先利用一种新方法讨论高维系统解的一致有界性，一致最终有界性及非常稳定性问题，然后将所获结果应用于高维系统周期解的存在性与唯一性的研究。
5) transient non-isothermal creeping
非等温非定常性
6) unsteady viscous flow
非定常粘性流动
1.
Numerical simulations of two dimensional unsteady viscous flow around oscillating cascades are carried out with the four-step Runge-Kutta explicit method and moving grid technique.
采用显式四步Runge Kutta格式 ,结合Baldwin Lomax紊流模型求解Navier Stokes方程 ,借助运动网格技术 ,完成了对二维振荡叶栅非定常粘性流动的数值模拟。
补充资料：常性
1.一定的规律。 2.本性。 3.持久性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条