1)unsteadiness[英][?n'stedinis][美][?n'st?d?n?s]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。
英文短句/例句
1.TR-PIV MEASUREMENTS OF THE UNSTEADY CHARACTERISTICS OF THE FLOW PAST A SQUARE CYLINDER NEAR THE WALL近壁方柱绕流非定常特性的TR-PIV测量
2.Research on the Hydrodynamic Characters of Unsteady Airfoils and Straight-bladed Turbines;机翼非定常特性与直叶水轮机水动力性能分析
3.PIV Measurement of Unsteady Characteristics of the Wake Behind a Square Cylinder Placed Near to a Plane Wall近壁方柱绕流湍流场非定常特性的PIV实验研究
4.The Unsteady Aerodynamic Characteristics of a Wing Above Sea-Waves;风浪扰动中机翼的非定常气动力特性
5.Unsteady Aerodynamics Characteristic Study of a Jettisoned Aircraft Canopy座舱盖抛放过程中的非定常气动特性研究
6.Calculation of the Unsteady Aerodynamic Characteristics of Wind Turbine Blades风力机叶片的非定常空气动力特性计算
7.Unsteady Aerodynamic Characteristics for the Aircraft Oscilation in Large Amplitude;飞行器大振幅运动非定常空气动力特性研究
8.Drag Reduction of Non-Newtonian Fluid in a Wavy-walled Tube for Steady Flow定常流场下非牛顿流体在波壁管内的减阻特性
9.Analysis on Pressure Fluctuations of Unsteady Flow Field in Mixed-Flow Main Coolant Pump混流式核主泵非定常流场的压力脉动特性分析
10.Pressure Fluctuation Characteristics Study of Unsteady Flow Field on Rotational Flow Self-priming Pump旋流自吸泵非定常流场压力脉动特性研究
11.Unsteady dynamics of cavitating flows around a hydrofoil绕水翼空化非定常动力特性的时频分析
12.The effects of unsteady free stream on aerodynamic characteristics of a static delta wing非定常自由来流对静态三角翼气动特性的影响
13.WIND TURBINE UNSTEADY AERODYNAMIC PERFORMANCE PREDICTION BASED ON THE VORTEX WAKE METHOD基于涡尾迹方法的风力机非定常气动特性计算
14.Unsteady flow characteristics in double-channel pumps based on sliding mesh基于滑移网格研究双流道泵内非定常流动特性
15.Impact Analysis of Unsteady Aerodynamic Force on Flight Dynamics Characteristics非定常气动力对飞行动力学特性影响分析
16.Stability and Coupling Characteristics of Elastic Vehicle Acting with Unsteady Aerodynamic Forces非定常气动力作用下弹性飞行器的稳定性及耦合特性
17.Critical to Quality - characteristics of a product/service or process, defined by the customer as vital to them质量要素-被客户定义为对产品/服务或过程非常重要的特性。
18.Correlation investigation of unsteady aerodynamics of dynamic delta wings and pressure distribution动态三角翼的非定常气动特性和压力分布相关研究
相关短句/例句
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。
延伸阅读
常性1.一定的规律。 2.本性。 3.持久性。
