airfoil shape 中文意思是什麼
airfoil shape
解釋
翼形形狀-
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。 -
Firstly, the paper analyzes the basic airfoil profile in theory. its forepart adopts ellipse column shape and its back - end adopts plane shape. simultaneously, the 3d parametrizing model is set up
首先，本文是從理論上對基準翼型進行了分析，前段曲線部分採用橢圓柱結構，后緣部分採用平面結構，建立了飛機機翼的三維參數化模型。 -
3. the characteristics of boundary layer ' s transition, shape and separation are researched. the details as follows : ( l ) airfoil surface is turbulent boundary layer flows ; ( 2 ) velocity figure changed unsteady near the point of boundary layer separation due to randomicity of turbulent flow ; ( 3 ) the airfoil have better state of boundary layer separation and poor stall characteristics because of the upper surface of airfoil is flat
給出了該翼型的附面層特性：翼型表面基本為湍流附面層；在靠近附面層分離位置處，速度型形狀、特別是靠近翼型表面的底部速度型形狀變化不定，是湍流流動的隨機性所致；該翼型具有較好的附面層分離形態，但在失速迎角附近，附面層分離形態變化劇烈、失速特性差，是翼型上翼面形狀較為平坦所致。 -
The effect of the number of grid, liquid water content ( lwc ), median volumetric diameter ( mvd ) and ice layer time step on ultimate ice shape is analyzed, the aerodynamic characteristics of the iced airfoil is analyzed simply, too
分析了網格數、空氣液態水含量、水滴當量體積直徑和冰層時間步長對模擬冰形的影響，此外還對結冰翼型的氣動特性進行了簡要的分析。 -
After the airfoil is designed, the velocity distributions, airfoil shape, converged input file ( with phi2 adjusted, see details below ) and airfoil coordinates are returned for display
翼型設計后的速度分佈、機翼形狀、匯流輸入檔案（ phi2調整細節見下文） 、翼型坐標送返展示 -
The airfoil shape is then adjusted until the desired velocity distribution is obtained
然後是調整翼型的形狀，直到取得預期的速度分佈 -
Direct methods are based on the design - by - analysis approach in which the airfoil shape is specified first
直接的方法是基於設計逐案分析的方法是機翼形狀指定第一 -
An airfoil shape design method that couples viscous flow analysis, a complex method and parallel calculation is described in this paper. the method is applied to search an airfoil geometry with improved aerodynamic performance at single or multiple design - point while the specified design constraints being satisfied
本文將流場分析程序、復合形優化方法和并行計算耦合起來，發展了一種工程實用的翼型優化設計方法，用以提高翼型在單個或多個設計點、多種約束條件下的氣動性能。
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