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- The planes survived the wind tunnel test intact. 這些紙飛機在測試風(fēng)道中絲毫未損。
- It is not correct to think of the wind tunnel having uniform flow. 設想風(fēng)洞具有均勻的氣流是不正確的。
- 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. 采用實(shí)驗方法對某型彈用渦扇發(fā)動(dòng)機渦輪低壓導向器原型和改型進(jìn)行了詳細的低速風(fēng)洞實(shí)驗。
- Research is conducted on the energy loss of flow around a cascade of guide vanes in a low speed wind tunnel numerically and experimentally. 低速回流式風(fēng)洞中拐角部位的流動(dòng)損失占總損失的比重很大,該位置導流片繞流的流動(dòng)狀況對于流動(dòng)損失有明顯的影響。
- Finally, OL in the varied speed wind tunnel is also investigated.Results show that the actual opening process can be well simulated. 同時(shí)，變速風(fēng)洞的傘衣載荷研究表明，變速風(fēng)洞可較好地模擬實(shí)際開(kāi)傘情況。
- Setting very low speeds in a wind tunnel is always a vexatious problem. 在風(fēng)洞中調出低風(fēng)速來(lái)始終是一個(gè)麻煩問(wèn)題。
- This paper describes the investigation of boundary layer separation control for supercritical aerofoil using micro vortex generator in the low speed wind tunnel. 在低速風(fēng)洞中研究了微型渦流發(fā)生器對超臨界翼型邊界層分離的控制。
- 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). 為了克服自適應壁風(fēng)洞在模型支撐方面的困難和加大試驗模型，提高試驗雷諾數，西北工業(yè)大學(xué)在高速二元柔壁自適應壁風(fēng)洞中開(kāi)展了半模型試驗技術(shù)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. 用低速風(fēng)洞測力試驗和襟翼處繞流的PIV測量試驗研究鋸齒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. 實(shí)驗結果表明，氣流流出擴壓葉柵出口后，吸力面和壓力面的通道渦將在較長(cháng)的距離內保持其形態(tài)和強度，但是尾跡的形成及尾跡在壓力的作用下向吸力面方向的偏斜成為了這一階段的主要流動(dòng)現象。
- It should be noted that a balance is not always required in a wind tunnel. 應該指出，天平對風(fēng)洞來(lái)說(shuō)并非是絕對必須的。
- The aerodynamics characteristics of this airfoil is studied in wind tunnel. 進(jìn)行了翼型的低速氣動(dòng)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。
- 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－鴨式前翼布局的風(fēng)洞測力實(shí)驗，分析了距離主機翼較遠的鴨翼相對于主機翼的高度對布局縱向氣動(dòng)性能的影響。
- The wind tunnel is produced under a technical cooperation agreement with Ford Co of US. 風(fēng)洞機是根據與美國福特公司的技術(shù)合作協(xié)議生產(chǎn)的。
- Any flight test and wind tunnel correlation always suffers from a great number of unknowns. 在對飛行試驗與風(fēng)洞試驗進(jìn)行比較時(shí)總有大量的未知數。
- 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. 介紹了以東風(fēng)11型內燃機車(chē)牽引的準高速列車(chē)風(fēng)洞模型試驗，包括以韶山8型電力機車(chē)作牽引的對比試驗。
- 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(huán)境風(fēng)速、蒸發(fā)面積和蒸發(fā)液池與地面相對位置3方面分別對石腦油和原油的蒸發(fā)動(dòng)力學(xué)特性進(jìn)行了風(fēng)洞實(shí)驗研究。
- The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 實(shí)驗是在風(fēng)洞中距離風(fēng)機50英尺處進(jìn)行。
- The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range. 阻尼導數只能用風(fēng)洞或彈道試驗來(lái)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(fēng)洞實(shí)驗中，吹蝕模數幾乎為零。
