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- Wire Suspension System for Wind Tunnel Dynamic Testing 風洞張線支撐系統
- The planes survived the wind tunnel test intact. 這些紙飛機在測試風道中絲毫未損。
- How much is the dynamic head of BFP? 鍋爐給水泵的水力壓頭是多少？
- In this paper, the dynamic behavior of guyed masts is investigated through model tests in a wind tunnel. 基於風洞模型試驗的方法,對桅杆的風振響應進行了試驗研究。
- 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。
- Two double head anti symmetric airfoils have been proposed and the wind tunnel tests on their lift and drag performances have been carried out. 本文分析了雙頭車床控制系統的特點,提出了基於單片機構成的嵌入式控制方案,採用步進電動機實現對刀具的拖動定位,簡化了控制系統結構。
- For conducting dynamic characteristics testing of a long span flexible bri dg e model inside a wind tunnel, a fast and reliable modal separation technique is proposed. 為在風洞內部進行大跨徑柔性橋樑全橋模型動態試驗，提出了一種快速可靠的分離試驗方法。
- Wind tunnel experiments with the CAARC standard tall building model was executed to verify the proposed method with the dynamic balance technique. 採用本文方法可以克服天平方法要求結構的基階模態必須線性且不能給出結構沿高度的荷載分佈等缺點。
- 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。
- 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 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。
- 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. 摘要從環境風速、蒸發麵積和蒸發液池與地面相對位置3方面分別對石腦油和原油的蒸發動力學特性進行了風洞實驗研究。
- 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。
- 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。
- Both types of tests have been explored in wind tunnels. 這兩種形式的試驗都已在風洞中進行過探索。
