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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。
- Detailed flow field measurements were conducted in a low speed wind tunnel for both original and modified LGV's which are used in turbofan engines. 采用实验方法对某型弹用涡扇发动机涡轮低压导向器原型和改型进行了详细的低速风洞实验。
- Research is conducted on the energy loss of flow around a cascade of guide vanes in a low speed wind tunnel numerically and experimentally. 低速回流式风洞中拐角部位的流动损失占总损失的比重很大,该位置导流片绕流的流动状况对于流动损失有明显的影响。
- Finally, OL in the varied speed wind tunnel is also investigated.Results show that the actual opening process can be well simulated. 同时,变速风洞的伞衣载荷研究表明,变速风洞可较好地模拟实际开伞情况。
- 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。
- 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。
- This paper describes the progr ess obtained on the half model testing technique research in high speed adaptive wall wind tunnel in Northwestern Polytechnical University (NPU). 为了克服自适应壁风洞在模型支撑方面的困难和加大试验模型,提高试验雷诺数,西北工业大学在高速二元柔壁自适应壁风洞中开展了半模型试验技术的研究。
- Force and PIV local flow measurements were conducted in a low speed wind tunnel to study the effectiveness of serrated Gurney flap at different deflections. 用低速风洞测力试验和襟翼处绕流的PIV测量试验研究锯齿形格尼襟翼在不同偏角下的增升效益.
- The measurements were carried out in the large-scale wind tunnel at low speed of 9 m/s.Presented data consists of profiles of mean velocity and Reynolds stresses. 实验结果表明,气流流出扩压叶栅出口后,吸力面和压力面的通道涡将在较长的距离内保持其形态和强度,但是尾迹的形成及尾迹在压力的作用下向吸力面方向的偏斜成为了这一阶段的主要流动现象。
- 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。
- Force measurement in a low speed wind tunnel was conducted to investigate the effects of the height of a distant canard wing on the longitudinal aerodynamic characteristics of a forward-swept configuration. 摘要基于前掠翼-鸭式前翼布局的风洞测力实验,分析了距离主机翼较远的鸭翼相对于主机翼的高度对布局纵向气动性能的影响。
- 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。
- Wind tunnel experiments on aerodynamics of quasi high speed trains driven respectively by a diesel locomotive, Dongfeng 11, and by an electric locomotive, Shaoshan 8, are conducted. 介绍了以东风11型内燃机车牵引的准高速列车风洞模型试验,包括以韶山8型电力机车作牵引的对比试验。
- The dynamic characteristics of evaporation process for naphtha and crude oil were researched in three aspects of different wind speed, evaporation area and relative location of evaporation surface to ground in wind tunnel. 摘要从环境风速、蒸发面积和蒸发液池与地面相对位置3方面分别对石脑油和原油的蒸发动力学特性进行了风洞实验研究。
- 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。