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- 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。
- 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。
- The planes survived the wind tunnel test intact. 這些紙飛機在測試風(fēng)道中絲毫未損。
- The experimental results of low temperature ablator (beeswax and camphor) tests in the hypersonic wind Tunnel are presented in this paper. 本文給出了低溫燒蝕材料的高超聲速風(fēng)洞燒蝕實(shí)驗研究的結果。
- A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity. 擴散道風(fēng)洞中的氣流變遷，將會(huì )調整度的氣體或液體流降到低速
- low Reynolds numbers tunnel testing 低雷諾數風(fēng)洞試驗
- 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。
- In 1969, Lew and Fung [1] considered the inlet flow into a semi-infinite circular cylinder at low Reynolds mumber Dagan, et al. 1969年Lew及Fung計算了圓管內的低雷諸數入口流.
- The influence of blade thickness and torsion on the flow field at low Reynolds number for rotor in a hover is studied with the Chimera grid technique. 摘要運用嵌套網(wǎng)格技術(shù)研究了漿葉的厚度和扭轉對低雷諾數旋翼流場(chǎng)的影響。
- 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。
- Based on the low Reynold number and small flux model, the velocity and thickness of the liquid film outside the horizontal tube were studied. 采用低雷諾數、小流量模型對黏性流體在水平管外形成的薄液膜的流速以及膜厚分布進(jìn)行分析和計算 ;
- 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 paper investigates the position of the wing vortex and canard vortex by use of the laserlight-sheet at low Reynolds number and analyses the manner of interaction. 本文通過(guò)激光片光實(shí)驗觀(guān)察了低雷諾數時(shí)上翼面主翼渦和鴨翼渦的相互位置,進(jìn)而分析了在低雷諾數時(shí)主翼渦和鴨翼渦的干擾方式。
- 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。
- In the present study. three-dimensional computations were performed to understand the effects of the low Reynolds number on the loss characteristics in an axial compressor. 在本研究中.;完成三維計算軸以理解流式壓縮機損耗特性的低雷諾數效果
- Based on Taguchi method and uniform design method, the three-dimensional numerical parametrical study of offset strip fins was conducted at low Reynolds number. 摘要基于田口方法，結合均勻設計法對低雷諾數工況下錯列鋸齒型翅片進(jìn)行三維參數化數值研究。
- 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。
- Problem caused by low Reynold's number is one of main factors affect performance of high altitude endurance unmaned vehicle engines. 摘要低雷諾數問(wèn)題是影響高空長(cháng)航時(shí)無(wú)人駕駛飛機的動(dòng)力裝置性能的關(guān)鍵因素之一。
- It is found in this work that the Von Karman vortex street could be totally suppressed at low Reynolds number region after adding the control cylinder at proper position. 由實(shí)驗之結果發(fā)現：在錐形圓柱流場(chǎng)之適當位置加入控制圓柱后，在低雷諾數可使其尾流之馮卡門(mén)渦街完全消失；
