气动的

Spontaneously, it can control the output power of quartz light array to achieve the rapid heating control by adjusting the output voltage, and control radiation equilibrium temperature of test piece surface to simulate the aerodynamic heat environment of aerosphere when aerospace plane enters again.

同时，通过调节输入电压的大小，可以控制石英灯阵列的输出功率，实现对快速加热的控制，通过控制试件表面的辐射平衡温度来，模拟空天飞机再入大气层的气动热环境。

This paper describes the development of urban rail traffic and its significance and the necessity of electric braking. Air brake system and focuses on the analysis, the choice of the braking system, the structure and principles of pneumatic braking system. Finally, the prospect of urban rail transport vehicle braking system developments.

本文阐述了城市轨道交通及其发展的意义，分析了电气制动及其研究的必要性，并着重对空气制动系统进行了分析，分析了制动系统的选择、气动制动系统的结构及原理，最后展望了我国城市轨道交通车辆制动系统的发展趋势。

In this thesis, the author uses analytics, fluid mechanics and thermodynamic to analogize internal condensation on the basis of container charging and discharging, and find theoretical judging method of internal condensation.

因此本文的研究工作以最基本的气动系统——容器的充放气过程为出发点，首次用解析法，利用流体力学和热力学理论分析容器在充放气过程中的内部结露现象，找出对内部结露问题的理论判别方法。

Based on the analysis of the kinematic property of the system, a nonlinear dynamic model of the platform system was established in the form of a differential equation. Then, it was transformed into the state space with the style of an affine nonlinear model.

以气动人工肌肉为驱动器，构造了一个新型的多自由度平台实验系统，基于对其运动特性的分析，建立了以微分方程表达的系统的非线性动力学模型，并进一步将其变换成状态空间的仿射非线性表达形式。

The aerodynamics characteristic of the innovative control surfaces which are implemented on the flying wing aircraft with large aspect ratio were introduced, and elevon and split rudder were involved. And the control effects on three axis were analyzed basing on computetional fluid dynamics method. The concept of control volume was imported to introduce parameters-based method of control surfaces design. The control effect requirements of the control surfaces were also evaluated. The original design of certain aircraft's control surfaces was modified.

介绍了在该新布局飞机上采用的升降副翼和开裂式方向舵等新型操纵面的气动特点，并在计算空气动力学的基础上分析了其三轴控制效率，引进舵容量的概念提出了操纵面的参数化设计方法，基于飞机的可控性对各新型操纵面的操纵效率需求进行了评估，最终对某型飞机的操纵面初步设计进行了修正。

This method employs the exponential pulse time series as input to excite CFD model, which can provide slick aerodynamic forces acting on the body through CFD simulation, Then discrete time aerodynamic models, defined among interesting range of frequency, can be trained based on the CFD input output relationship, those models can he implemented thereafter to simulate aerodynamic response for simple-harmonic input of displacement with suitable frequency.

该方法采用具有连续频谱分布且位移光滑的指数脉冲序列为CFD模型运动的输入，通过数值模拟得到作用在模型上的气动力。利用已知的输入和气动力建立起反映系统气动力特征的离散时间气动模型。

The geometry transformation of wing was conducted by means of shape function born of finite element method.

本文引入了等参单元形函数的几何变换思想，利用径向基函数，解决了复杂形状机翼的二维气动代理模型的构造问题，进行了某巡航导弹弹翼考虑结构变形的气动力代理模型的构建。

The pneumatic friction clutch and brake of the mechanical press based on the former analysis is also investigated. The main research work is shown as follows:(1) The nonlinear mathematical model of the system is established, and the valve characteristics and the friction force of the system are tested.

本文主要进行了以下几个方面的研究： 1气动伺服系统是一个具有较强非线性的系统，本文建立了该系统的非线性数学模型，并对气缸的摩擦力及阀的特性进行了实验研究。

The Firefly might be slow, but the Sea Fury was a real speedster, inspired in part by the design of the Focke-Wulf FW 190 fighter, with a very clean aerodynamic shape and powerful radial engine.

萤火虫可能是缓慢的，但海怒是一个真实的speedster ，激励部分的设计钩子- 190战斗机伍尔夫防火墙，一个非常干净的气动外形和强大的径向引擎。

In order to test the feasibility of spectral element methods, time integral methods and absorbing boundary conditions for aeroacoustics, several programs based of Microsoft Visual C++ are presented for different time integral methods and boundary consitions.

为验证本文的谱元方法、时间积分方法和吸收边界条件对于求解气动声学问题的可行性，本文基于Microsoft Visual C++平台编制了分别采用不同时间积分方法和边界条件的谱元算法程序，计算结果证明了谱元方法的高精度以及两种时间积分方法的可行性。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。