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- sonic bang wind tunnel 音爆风洞
- The planes survived the wind tunnel test intact. 这些纸飞机在测试风道中丝毫未损。
- Both types of tests have been explored in wind tunnels. 这两种形式的试验都已在风洞中进行过探索。
- 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。
- 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。
- Designs and manufactures turbine engine test cells and wind tunnels. 设计生产涡轮发动机测试单元和风洞。
- 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。
- 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。
- Hypersonic wind tunnels operating at very low densities were developed starting in about 1960. 低密度超音速风洞大约开始发展于1960年。
- 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。
- It is used in measurement of pressure tronsients, such as in shock tubes, wind tunnels, and seismograph equipment. 它广泛用于瞬态压力测量,如冲击管、风洞以及地震仪器设备中。
- The door shut with a bang after the angry man. 那人愤怒地走出屋把门砰地一声关上了。
- It is used in measurement of pressure transients, such as in shock tubes, wind tunnels, and seismograph equipment. 它广泛用于瞬态压力测量,如冲击管、风洞以及地震仪器设备中。
- Aeronautical engineers take their models into wind tunnels to measure performance factors. 航空学工程师将他们的模型放置在风道内来测量性能因素。
- Model Helicopter Rotor Aerodynamics and Acoustics As Measured in Tow Anechoic Wind Tunnels. 在两个无回声风洞中测量时模型直升机旋翼空气动力学与声学。
- 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。
- 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。
- In this paper, the initial stage in application of fuzzy logic to aircraft high-angle-of attack aerodynamics using wind tunnel test data is outlined. 本文概述最初阶段利用风洞试验数据应用模糊逻辑研究飞机大攻角空气动力学的情况。