spanwise 中文意思是什麼

spanwise 解釋
沿翼展方向的
  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. Using method of oil - flow visualization techniques and measuring pressure distribution along airfoil chordwise and spanwise studies have been down for sidewall boundary - layer displacement effect in two - dimensional wind tunnel. three different chord models were tested in two different wind tunnel. in order to clarify the sidewall effects and study method of sidewall suction theory and sidewall interference correction method to remove effects of sidewall on model. the results of oil - flow test show that selection rational suction wary can obtain better testing results. by investigations on effects of the sidewall boundary layer suction and application of a sidewall interference correction method

    為了很好地解決多機場航班隊列的擁塞問題，在將進場容量、離場容量與機場容量作為統一整體的情況下，充分考慮了機場間的網路效應，詳細研究了多機場航班隊列的優化問題，建立了多機場開放式非實時流量管理的數學模型，通過選取適當的決策變量，使其為線性0 - 1整數規劃模型，實現了中心流量集中管理.與其它演算法不同，本文提出的啟發式隱枚舉演算法能很好地解決此類問題，對某機場網路系統的模擬結果證明了所建模型、優化演算法及相應軟體的有效性和可靠性
  3. To improve the efficiency of solution, the solution method to determine the cavitation range of blade is carried out for each chordwise string, the interaction between strings is included by spanwise iterative procedure

    為了提高求解效率，本文在確定螺旋槳槳葉上空泡范圍時採用的求解方法是針對每一個弦向「條帶」進行的， 「條帶」之間的相互影響通過沿槳葉展向的迭代考慮。
  4. Abstract : in this paper, the effect of pre - stress on peen - forming is studied by experiments, the results show that pre - stress can change the relationship between pre - deformation and pre - stress shot peen deformation, and that 0. 05 % 0. 1 % pre - strain is comparetively suitable to improve the spanwise rectilinearity of shot peen - forming configuration surface

    文摘:對預應力噴丸成形進行了試驗研究，指出預應力可以改變其對應的預變形與預應力噴丸變形之間的大小關系，在以改善噴丸型面縱向直線度為主要目的的預應力噴丸成形中，預應變取值0 . 5 / 1000 1 / 1000較為適宜。
  5. Mechanism of drag reduction by spanwise wall oscillation in turbulent channel flow

    壁面展向周期振動的槽道湍流減阻機理的研究
  6. The typical coherent large scale structures include the single spanwise vortex, the pairing vortexes with same signs, which are similar to the structures in the weak - shearing jet, and the vortex pair composed of two vortexes with opposite signs

    典型的擬序大渦結構包括單個的展向大渦、有相同符號的兩渦組成的配對渦（與弱剪切射流中類似）及由符號相反的兩渦組成的渦對組合。
  7. And a parametric method is used for the modeling of the pin fin, spanwise rib, and chordwise rib after delebrately studying their regular structures

    並深入研究了擾流柱，縱向肋，橫向肋這幾種內型典型結構的參數化造型方法。
  8. With increasing convective mach number the streamwise fluctuation intensity varies little but the transverse and spanwise intensity along with the thickness growth rate decrease

    隨著對流馬赫數的增加，流向脈動強度變化不大，橫向和展向脈動強度減小，混合層的擴張率隨之減小。
  9. The present studies suggest that mode a spontaneously emerges in the wake preceding all the other spanwise modes. then it excites the linear stable mode b through the nonlinear interactions among the various spanwise modes

    Re = 300時模式a和b均線性不穩定，模式b由於增長率較高，首先取代二維尾跡，而後隨著模式a的增長尾跡中模式a和b共存。
  10. By comparing the calculated results and test data for a multi - stage axial compressor, this method demonstrates that it could assist in predicting the characteristics of multistage axial compressor and spanwise parameter distribution under off design working conditions

    對一臺多級軸流壓氣機的計算結果與試驗數據的對比分析表明，該方法能較好地預測多級軸流壓氣機的特性和非設計工況下級間參數的分佈。
  11. The spanwise characteristic length determines the transition features and global properties of the wake. especially for the specific spanwise characteristic length linear stable mode can dominate the wake in place of mode a and determine the spanwise phase difference of the primary vortices shedding

    尤其值得注意的是發現在特定的展向特徵長度下線性穩定的展向模態會取代模式a而在尾跡中占優並決定卡門渦脫落的展向相位差。
  12. The 3d simulation result shows characteristics as well as creating, developing and dissipation process of the microjet. the results show good agreement with experimental results. the numerical study reveals the spanwise instability of vortex pairs, resulting in the breakdown of the coherent vortex structure

    三維微射流流場的數值模擬再現了實驗所觀察到的旋渦對的生成、發展及其相干性的消失過程；揭示了旋渦對沿展向的不穩定性是旋渦對相干性消失的主要原因。
  13. Damping was then determined via exciting the equation at the critical frequency to get the transit decay which was then analyzed with the moving - block method. in chapter 4, the nonlinear dynamic equation of rotor - body system with inter - blade dampers ( taking all possible attachment offsets into consideration, spanwise offset, vertical offset and in - plane offset ) was modeled

    本文重點推導了帶葉間減擺器（減擺器帶三個外伸量:展向，垂向和旋轉方向）的旋翼/機體耦合系統的非線性動力學方程，針對該方程提出了一種改進的多槳葉坐標變換方法。
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