The influence rules of underbody diffuser on light-bus aerodynamic characteristics are studied with the method of numerical simulation.
用数值模拟的方法,研究轻型客车底部上翘角对其气动特性的影响规律。
The influence of airfoil's leading and trailing flaps' deflection location on aerodynamic efficiency is also discussed primarily.
初步探讨了二维翼型前、后缘襟翼的偏转位置对气动效率的影响。
The surface pressure distribution around the deck section has significant influence on the aerodynamic behaviour of the deck.
表面压力分布对断面的气动特性有着重要的影响。
The nose shape of high speed train's power car has great influence on the aerodynamic performance of high speed train.
高速列车动车头部外形对高速列车气动性能有很大影响。
This paper introduces a wind tunnel experimental method of projectile with jet from its forebody and influence of jet on aerodynamic characteristics of projectile.
介绍弹丸前体喷流实验方法及喷流对弹丸气动性能的影响。
The dynamic model includes not only the gravity, the aerodynamic forces and the thrust, but also the influence of the earth rotation.
建模过程中除考虑了重力、气动力和推力外,还加入了地球自转的影响。
The nose shapes of high-speed trains with optimal synthetic aerodynamic performance can efficiently reduce the influence of the aerodynamic phenomena on the train operation and the environment.
综合气动性能最佳的高速列车头部形状,可有效地降低空气动力学现象对列车运行和周围环境的影响。
To increase the skylight, for example, modified changed manufacturer of precision validation aerodynamic design elements, but also change the strength of the body, influence driving safety.
以增加天窗为例,改装改变了厂家经过精密验证的空气动力学设计元素,也改变车体的强度,影响行车安全。
The influence of aerodynamic pressure on the stability of viscoelastic cylindrical shells is investigated by various methods in nonlinear dynamics.
利用非线性动力学中的多种方法,考察了自由流动压对粘弹性圆柱壳稳定性的影响。
The results showed the influence of pivoting-stator on the turbine's aerodynamic performance was combined effect of cascade convergence, attack Angle and out-flow Angle.
研究表明,可调导叶对涡轮性能的影响是叶栅收敛度、气流冲角与出气角的综合影响。
Considering the process of dynamic influence of eddy flow at every section of blades, based on Equilibrium Wake model, dynamic Wake model simulates the dynamic aerodynamic calculations for the rotor.
动态尾流模型又基于平衡尾流模型,考虑桨叶每个截面处产生的涡流对风轮的动态影响过程,对风轮的气动计算进行动态模拟仿真。
The leading edge vortices are important factor to control the flow field around the slender-wing and to influence the aerodynamic characteristics of the wing.
细长翼翼面上方的前缘集中涡是控制机翼绕流和影响机翼气动力特性的主要因素。
In addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
此外,作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
This paper has analyzed and calculated the influence of external ZC-1 scout equipment on the lift coefficient, damp coefficient and aerodynamic center of the fighter plane.
从外挂对载机气动特性影响的计算方法出发,分析了现役某型战机外挂ZC-1航空侦察吊舱对载机升力系数、阻力系数和气动中心的影响,得出了具体的计算结果。
The aerodynamic characteristics of low Reynolds number, the influence of separation bubble and aspect ratio are discussed.
讨论了低雷诺数空气动力特性,包括分离气泡和展弦比的影响。
Combined with the mechanism of slipstream influence on the fuselage and horizontal tail, the paper gives the change in the longitudinal aerodynamic characteristics caused by the slipstream.
同时,对滑流影响下机身和平尾纵向气动特性的变化机理进行了研究,最后得到了全机气动特性因滑流影响产生的变化。
Considering the wake influence of blades, based on steady aerodynamic calculations theory, Equilibrium wake model corrects the simplified model of aerodynamic calculations for the rotor.
平衡尾流模型基于风轮的稳态气动计算理论,考虑桨叶的尾流影响,对简化的风轮气动计算模型进行修正。
Based on the research above, this paper also does some research on the influence on aerodynamic characteristics of accessories and grooves on body surface.
在此基础上进一步就车身表面的附件和表面的凹槽对于局部气流、压力和对整车空气动力特性的影响进行了研究和分析。
The influence of aerodynamic force matrix on critical flutter state with aerodynamic derivatives of four different sections was studied.
采用理想平板的气动导数研究了各气动导数对颤振临界状态的影响。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
研究了在大迎角下,后掠翼对细长体绕流结构和气动力特性的影响。
Large amplitude test, Unsteady aerodynamic, Wall influence, dynamic derivative simulating, Mathematic model, Fuzzy logic, Aerodynamicmodeling, Flight simulating.
大振幅试验,非定常空气动力,空气动力模型,洞壁干扰,动导数仿真,数学模型,模糊逻辑,飞行仿真。
The Reynolds number effect of the mean aerodynamic force coefficient is studied; the influence of ratio of bridge deck width to its height on three mean coefficients is shown too.
研究了桥梁断面三分力系数雷诺数效应、宽高比对断面三分力系数雷诺数效应的影响。
The results show that, the influence of stator clocking effects on the stator blade's unsteady aerodynamic loads is larger than that on the rotor blade.
结果表明,时序效应对静叶片气动负荷的影响明显高于动叶片的。
The results show that, the influence of stator clocking effects on the stator blade's unsteady aerodynamic loads is larger than that on the rotor blade.
结果表明,时序效应对静叶片气动负荷的影响明显高于动叶片的。
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