查询词典 delta wing

Dynamic derivatives of a 60° delta wing and F-18 aircraft model are calculated by this method, and then the effects of the amplitude,the frequency and the change of angle of attack on the dynamic derivatives are studied.

对60°三角翼和F-18飞机模型进行动导数仿真计算，研究了不同振幅、频率及迎角变化对动导数的影响。

From the characteristics of aerothermoelasticity, the effects of temperature in aerodynamic heating on the mode of a delta wing and the characteristic of its flutter were researched.

根据热气动弹性特点，探讨了气动加热温度对三角机翼模态特性和颤振特性的影响。

Experiments of a configuration with twin vertical tails/delta wing have been carried out in a wind tunnel of BUAA in order to understand the source of vertical tail buffet ing.

在北航的风洞中进行了双立尾-三角翼布局的立尾抖振实验，目的是研究立尾抖振产生的原因。

The J-10 features a delta wing canard configuration which ensures aircraft stability with widened static stability active control technology.

J-10的特征是采用了三角式鸭形翼，为了保证飞机的稳定性和静稳定性的灵活操作系统。

The purpose of flow visualization research of sections in double delta wing is to uncover the mechanism of vortex interference and structure,from this research,we can control the vortex and provide lasis for constructing numerical model.

进行双三角翼翼面流动显示研究的目的是为了揭示前、后翼脱体涡的干扰机理和详细结构，进而达到控制表面涡分离的目的，并为计算流体力学建立数学模型提供依据。

In this paper, the direct simulation Monte Carlo method is employed to simulate flows of modeled air vehicles having simple geometric shape such as delta wing at a Knudsen number between 0.001 and 0.1 for various Mach number and angle of attack conditions. With the calculated aerodynamic forces and heating, we obtained the general behavior of the rarefied gas effects on the vehicles' aerodynamics.

本文采用直接模拟 Monte Carlo 方法，模拟了简单外型如三角翼形的模型飞行器在努森数为 0.001到 0.1的范围内以不同来流马赫数和不同飞行攻角飞行时的流场，计算了飞行器所受到的气动力和气动热，获得了稀薄气体效应对飞行器气动性能影响的一般规律。

When they are part of a delta-wing aircraft, they improve its stability and maneuverability.

当他们的一个组成部分三角洲固定翼飞机，他们改善其稳定性和可操作性。

The purpose of the present paper is to investigate the characteristic feature of the aerodynamics of a nose cone at a high angle of attack and study the vortex stability problem for the flow over a flat-plate delta wing with the dorsal fin .

本论文主要是通过实验来研究细长圆锥体在大迎角下的绕流流场的特性和细长三角翼加背鳍后对前缘涡的影响，检验相关理论结果。

Its designers gave it an extremely large vertical tail, thought necessary because of fears that the large delta wing might block airflow to the tail and make the plane impossible to control.

其设计者提供了一个非常大的垂直尾翼，认为有必要，由于担心大三角翼可能座气流的尾巴，使飞机无法控制。

The canard surface, unlike a conventional tailplane which it replaces in delta wing designs, generates positive lift.

与三角翼所取代的常规布局中的尾翼不同，这种鸭翼是能产生正升力的。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。