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- Wind loading on a hyperboloid roof of a stadium was conducted by means of wind tunnel test. 摘要通过风洞模拟实验对双曲面形屋盖的平均风荷载特点进行了研究。
- By means of wind tunnel simulation the wind loading on the roof of building induced by conical vortex is investigated. 通过风洞模拟实验,研究了在锥形涡诱导下建筑物顶面风荷载的特性。
- The planes survived the wind tunnel test intact. 这些纸飞机在测试风道中丝毫未损。
- Multiparameter comparison wind tunnel tests were conducted to study wind-induced response characteristics for long-span flat roof structure aeroelastic models. 对大跨度平屋面气弹模型的风致响应特性进行了多参数对比的风洞试验研究。
- Taking the membrane structure roof of Hangzhou Swimming Stadium for example, wind load characters on large slope roof were studied by wind tunnel simulation. 以杭州游泳馆膜结构屋顶为例,本文通过风洞模拟实验的方法研究了大坡度膜结构屋面的风荷载特性。
- Wind tunnel tests of rigid and aeroelastic model were carried out to investigate the influence of windward sudden opening on static and dynamic wind load for flat roof structures. 采用刚性模型和气动弹性模型风洞试验,研究迎风面突然开孔对平屋盖结构静动力风荷载的影响。
- 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。
- This paper recommend a royal road about dip angle and tendency of the tunnel roof and analysed the applicability. 介绍了一种测算巷道顶板真倾向、真倾角的快捷方法,分析了优缺点和适用条件。
- When resin bolt is used in soft broken tunnel roof,it is extremely easy to create the glue abate. 松软破碎的巷道顶板在使用树脂锚杆支护时,极易造成粘结失效现象。
- 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。
- The fluctuating wind loads on a dome-like roof are reconstructed based on the synchronous multi-pressure scanning technique of wind tunnel tests and the proper orthogonal decomposition(POD)method. 根据风洞试验同步多点压力扫描技术和本征正交分解方法重构作用于圆拱顶屋盖的脉动风力。
- 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。
- 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 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。
- Tunnel Roof Strengthening with Leading Anchor Pin 超前锚杆对巷道顶板的加固
- 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。
