vortex layer 中文意思是什麼

vortex layer 解釋
渦流層
  • vortex : n. (pl. vortexes,-ti-ces )1. 旋渦;旋風;旋卷行雲。2. 【物理學】渦旋;【航空】渦流;【動物;動物學】〈V-〉 單腸渦蟲的一屬。
  • layer : n 1 放置者,鋪設者,計劃者。2 【賽馬】(一般)賭客。3 產卵的雞。4 【軍事】瞄準手。5 層;階層;地...
  1. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    ( 5 )綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料,研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  2. The northern spread of high - layer inertia - gravity wave could result in the development and northern moving of low - layer vortex and precipitation

    高層向北傳播的重力慣性波可導致低層的渦旋和降水發展和北移。
  3. The vortex simulated in this article include the shedding vortex induced by the vane trailing edge boundary layer, the endwall vortex generated by the endwall boundary layer interaction, the passage vortex generated by the rotor rotation, and the leakage vortex generated by the tip clearance flow

    渦輪級內的渦運動包括:導向器葉片尾緣附而層引起的脫落渦;轉子通道內轉子的旋轉運動產生的通道渦;根腳區兩個端壁附面層干涉,形成的根腳渦;存在葉尖漏流時,出現的漏流渦。
  4. Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on

    它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科;其內部的實際流動是復雜的三維流動過程,充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾,因此,燃燒室問題是整個發動機研究的關鍵所在。
  5. A kind of kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment

    本文還探討了橫流線流分離旋渦的生成機理及轉向。
  6. Furthermore, the horseshoe shape vortex system occurred to the upstream of the jet exit and the layer structure of vortexes occurred to the wake of the reverse flow region downstream of the jet are also investigated

    另外,觀測到射流噴口上流的馬蹄渦系以及射流逆流區下游尾跡區旋渦的層狀結構形式。
  7. The results are compared with the cases in a single - layer fluid, showing that the density stratification can have a relative large effect on the drag and lift coefficients as well as the vortex shedding

    計算受迫振蕩圓柱體的升力系數、阻力系數隨時間的演化曲線和圓柱體的尾渦分佈,以及圓柱體的受迫振蕩激發兩層流體內界面的擾動,並與均勻流體的情況進行了比較分析。
  8. Use of the protective layer of water, the dolphins swimming almost no friction or create a vortex

    藉助這個水的保護層,海豚游動時幾乎沒有磨擦力,也不造成漩渦。
  9. The results show the moment developing course of flow over flat wall and the evolvement of coherent structure, and also completely simulate all kinds of detail processes in development of boundary layer over flat wall, such as the generation and rise of low - speed stream, the extension and rupture of horse - hoof - shaped vortex and so on

    模擬結果給出了平壁流動的瞬態發展過程以及流動中擬序結構的發展演變過程,成功地模擬了平壁邊界層發展中的各種瞬態細節過程,如低速條帶的產生、上舉過程,馬蹄形渦的拉伸變形、破裂過程。
  10. Furthermore, hair - pin vortex is closely related with high - shear layer structure and spike structure in the pipe flow

    此外,發卡渦與圓管流動中的高剪切層結構以及尖峰密切關聯。
  11. The effects of jet velocity ratio and skew angle were addressed. several co - rotating minute vortexes on the turbulence boundary layer would coalesce together that leaded to a big vortex. the effect of the big vortex was greater than a single minute one

    單排多個同向射流與主流作用所產生的獨立小渦旋將在流向下游發生合併,形成大渦旋,大渦旋對邊界層的作用效果要強于單個獨立小渦旋。
  12. Navier - strokes equation was solved using simple method. lam - bremhorst k - e was used to simulate turbulent flow. it was indicated in this thesis that a longitudinal vortex would be produced after the jet exhausted from a plate into a boundary layer at a pitch angle and a skew angle

    研究結果表明,有一定傾斜角度的單個射流與主流作用后,將在下游產生一個流向渦旋,渦旋使得邊界層內的速度和雷諾應力發生嚴重扭曲,從而形成上洗區域和下洗區域。
  13. It is found to locate at the top of stationary vortex. considerable growth rate of the mode is found and is responsible for the transition of boundary layer

    它出現在流向速度型的拐點處,有著非常大的增長率,並造成附面層的轉捩。
  14. In this paper, the boundary layer characteristics of a supercritical airfoil is researched in wind tunnel. from the start to control boundary layer separation and to improve aerodynamics characteristics of this airfoil, three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design. it include as follows : 1

    研究工作中,從控制該翼型附面層分離、提高大迎角氣動性能的角度出發,通過風洞實驗研究,研究了該翼型的附面層特性和氣動性能,針對其附面層特性,給出了梯形、三角形和翼型式三種渦流發生器設計方案,為下一步研究工作奠定了堅實基礎。
  15. A computed study was undertaken to determine the effects of minute vortex generator jets on the zero pressure gradient turbulence boundary layer

    本文採用數值模擬方法研究了微型空氣渦流發生器對零壓力梯度湍流邊界層的影響。
  16. In recent decades, vortex generators used in separation control on wing boundary layer have developed rapidly. some new conceptions such as sub boundary layer, micro & intelligent vortex generators are coming up

    近十年來,用於飛機機翼附面層分離控制的渦流發生器發展很快,出現了亞附面層、微型和智能化渦流發生器等新概念。
  17. Whether in the aspect of total rain days or total rainfall amount in a year, ya ' an is always an extreme range, which has been called " ya - an - tian - lou " in chinese. the predicted average physical structures in the raining process are as follows : ( l ) positive vortex and convergent center in the lower and middle troposphere and negative vortex and divergent center in upper troposphere ; ( 2 ) the superposition of the low layer zonal - vertical circulation and the up layer zonal - vertical circulation forms a strong upward current

    從6種不同方案對暴雨過程預報的實驗看,不同的邊界層參數化方案對雨帶特徵的模擬都具有一定的能力,同時模式模擬的降水對參數化方案的選取是敏感的,不同的參數化方案模擬出的降水范圍和雨量分佈有所差異,主要表現在降雨量中心強度及雨區分佈上。
  18. Provide the experimental research scheme to measure and diagnose boundary layer of airfoil. the satisfied results demonstrated that this scheme is correct and efficient. it provides the reliable foundation on analysis of boundary layer characteristics and vortex generators " design

    研究結果表明,該方案是正確的,既切實可行、節約了實驗經費,又獲得了滿意的實驗結果,為分析附面層特性和渦流發生器的設計提高了可靠依據。
  19. With present broadband spectrum forcing added on the inflow there still exist large vortex pairing processes in the mixing layer with high convective mach numbers, although the rolls up of large vortex need much longer spatial developing distance

    在本文的入口寬帶擾動下,高對流馬赫數下二維混合層中仍然存在大渦的對並過程,只是大渦的捲起需要更長的空間發展距離。
  20. Nasa - 37 transonic and nwpu - 1 subsonic rotors are calculated by using this program. results of calculation indicates that this program can admirably simulate rotor rows flow in axial compressors and distinguish passage shock, leakage vortex path and separation of boundary layer

    用該程序分別計算了nasa - 37跨音速轉子和nwpu - 1亞音速轉子,計算結果表明本文建立的孤立轉子程序能夠較好的模擬軸流壓氣機葉片排內流動情況,能夠有效的捕捉通道激波和間隙泄漏渦軌跡以及葉片附面層的分離。
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