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- 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 results of wind tunnel test on the wall s urfaces of strip-like building group, Shenzhen Golden Bay Garden, for the fluctu ating wind pressure are described in this paper. 介绍了大型条状排列建筑群深圳金海湾花园外墙表面的脉动风压风洞试验结果,分析了该建筑物表面气流流动和风压分布的特点。
- 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。
- Have the year produces8000 abilities of the set set of the each high pressure vacuum chopper. 具有年生产各型高压真空断路器8000台套的能力。
- The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies. TK-DL可以检测压力真空断路阀,减压防回流阀或双止回阀总成。
- 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。
- Have the year produces 8000 abilities of the set set of the each high pressure vacuum chopper. 具有年生产各型高压真空断路器8000台套的能力。
- 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。
- The performances of wind tunnel gas support such as balance position,lode-bearing pressure and flow are calculated and analyzed.An practical method which improves the performance of gas support is set forth by adjusting the total clearance. 计算了风洞气体支撑的平衡位置、承载能力、压力及流量等性能参数,并对计算结果进行了分析,得出了可以通过调整总间隙来改善气体支撑承载能力这一实用性结论。
- The pressure field measurement results on the wing surface of airplane model by luminescence pressure sensor (LPS) technique and classic tap technique in high speed wind tunnel are presented. 介绍了国内首次在高速风洞中使用荧光压力传感器(LPS)技术对飞机模型机翼表面压力场测量的初步结果。
- 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 principle, action and control process of permanent magnet driven machinery were introduced, its characteristic was analyzed, and its application to medium pressure vacuum circuit breaker was expounded. 摘要介绍了永磁操动机构的原理、动作和控制过程,分析了永磁操动机构的特性,阐述了其在中压真空断路器上的应用。
- 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。
- Wind pressure distribution on a large span station awning at nine different wind incidences was measured in wind tunnel test.Based on the data of the experiment, figures of isobar were drawn. 摘要通过某火车站雨棚1:100的模型风洞测压试验,研究了9个来流方向下雨棚表面的风压分布。
- 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。
- The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range. 阻尼导数只能用风洞或弹道试验来确定。
- vacuum wind shield wiper pivot kicker 真空风挡括水旋轴
- In the experiment under the 20 m/s wind tunnel conditions, the wind abrasion modulus is almost zero. 在每秒20米的风洞实验中,吹蚀模数几乎为零。