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- The design concept and principle of injector valve system of hypersonic wind tunnel controlled by the computer are introduced in this paper. 本文介绍了高超声速风洞引射器阀门系统采用计算机控制的设计思想和原理框图。
- wind tunnel control chamber 风洞控制室
- Wind Tunnel Control System 风洞控制系统
- wind tunnel control 风洞控制
- The planes survived the wind tunnel test intact. 这些纸飞机在测试风道中丝毫未损。
- It is not correct to think of the wind tunnel having uniform flow. 设想风洞具有均匀的气流是不正确的。
- The tunnel control centre will call for emergency services if required. 有需要时,隧道控制室会召唤紧急服务。
- Setting very low speeds in a wind tunnel is always a vexatious problem. 在风洞中调出低风速来始终是一个麻烦问题。
- A low-speed wind tunnel test shows that beneficial effects on enhancing lift can be obtained by using internal acoustic excitation to control the shedding vortices. 二元后台阶低速风洞实验表明,用内部声激励控制脱落旋涡能够获得有利的增升效应。
- This paper describes the investigation of boundary layer separation control for supercritical aerofoil using micro vortex generator in the low speed wind tunnel. 在低速风洞中研究了微型涡流发生器对超临界翼型边界层分离的控制。
- Wind tunnel experiments were conducted to study the impacts of(Polyacrylamide)(PAM) on the threshold wind velocity in wind erosion control,and wind erosion prevention. 该研究通过室内风洞模拟试验,研究了PAM对于提高松散扰动土起动风速、防止风蚀的效果。
- Use the emergency telephone to contact tunnel control and wait for the arrival of the tunnel patrol. 应利用紧急电话,与隧道控制室联络,并等候隧道巡逻队到场。
- It should be noted that a balance is not always required in a wind tunnel. 应该指出，天平对风洞来说并非是绝对必须的。
- The aerodynamics characteristics of this airfoil is studied in wind tunnel. 进行了翼型的低速气动力性能研究，为附面层特性研究提供了方向。 结果表明，该翼型具有较好的升阻和俯仰特性，但失速特性差。
- Use the emergency telephone to contact tunnel control and wait for the arrival of the tunnel patrol or a Tunnel Officer. 拨紧急电话通知隧道控制室,然后等候隧道巡逻队或隧道管理人员到场。
- The wind tunnel is produced under a technical cooperation agreement with Ford Co of US. 风洞机是根据与美国福特公司的技术合作协议生产的。
- Any flight test and wind tunnel correlation always suffers from a great number of unknowns. 在对飞行试验与风洞试验进行比较时总有大量的未知数。
- The flow characteristic of the open cavity and the variation of sound pressure level(SPL) caused by a control rod spoiler were investigated by means of numerical simulation and wind tunnel test. 本文利用数值模拟和风洞实验相结合的方法,研究了开式流动腔体的流动机理及设置圆柱控制杆后,腔体内声压级(SPL)的变化。
- The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 实验是在风洞中距离风机50英尺处进行。
- Some important conclusions and main contribution of the thesis:1.WinCC V6.0 can shorten the system development period, and the system can be applied directly to tunnel control systems based on SIEMENS products. 本论文的主要结论和贡献:1、 应用WinCC V6.;0使系统开发周期短;并且使系统能够直接应用于基于西门子公司产品的隧道监控系统;
