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- Wind loading on a hyperboloid roof of a stadium was conducted by means of wind tunnel test. 摘要通過風洞模擬實驗對雙曲面形屋蓋的平均風荷載特點進行了研究。
- By means of wind tunnel simulation the wind loading on the roof of building induced by conical vortex is investigated. 通過風洞模擬實驗,研究了在錐形渦誘導下建築物頂面風荷載的特性。
- The planes survived the wind tunnel test intact. 這些紙飛機在測試風道中絲毫未損。
- Multiparameter comparison wind tunnel tests were conducted to study wind-induced response characteristics for long-span flat roof structure aeroelastic models. 對大跨度平屋面氣彈模型的風致響應特性進行了多參數對比的風洞試驗研究。
- Taking the membrane structure roof of Hangzhou Swimming Stadium for example, wind load characters on large slope roof were studied by wind tunnel simulation. 以杭州游泳館膜結構屋頂為例,本文通過風洞模擬實驗的方法研究了大坡度膜結構屋面的風荷載特性。
- 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. 採用剛性模型和氣動彈性模型風洞試驗,研究迎風面突然開孔對平屋蓋結構靜動力風荷載的影響。
- It is not correct to think of the wind tunnel having uniform flow. 設想風洞具有均勻的氣流是不正確的。
- This paper recommend a royal road about dip angle and tendency of the tunnel roof and analysed the applicability. 介紹了一種測算巷道頂板真傾向、真傾角的快捷方法,分析了優缺點和適用條件。
- When resin bolt is used in soft broken tunnel roof,it is extremely easy to create the glue abate. 鬆軟破碎的巷道頂板在使用樹脂錨桿支護時,極易造成粘結失效現象。
- Setting very low speeds in a wind tunnel is always a vexatious problem. 在風洞中調出低風速來始終是一個麻煩問題。
- 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. 根據風洞試驗同步多點壓力掃描技術和本徵正交分解方法重構作用於圓拱頂屋蓋的脈動風力。
- It should be noted that a balance is not always required in a wind tunnel. 應該指出,天平對風洞來說並非是絕對必須的。
- The aerodynamics characteristics of this airfoil is studied in wind tunnel. 進行了翼型的低速氣動力性能研究,為附面層特性研究提供了方向。 結果表明,該翼型具有較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. 風洞機是根據與美國福特公司的技術合作協議生產的。
- Any flight test and wind tunnel correlation always suffers from a great number of unknowns. 在對飛行試驗與風洞試驗進行比較時總有大量的未知數。
- The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 實驗是在風洞中距離風機50英尺處進行。
- Tunnel Roof Strengthening with Leading Anchor Pin 超前錨桿對巷道頂板的加固
- The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range. 阻尼導數只能用風洞或彈道試驗來確定。
- In the experiment under the 20 m/s wind tunnel conditions, the wind abrasion modulus is almost zero. 在每秒20米的風洞實驗中,吹蝕模數幾乎為零。
- 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. 本文概述最初階段利用風洞試驗數據應用模糊邏輯研究飛機大攻角空氣動力學的情況。