sub boundary meaning in Chinese
亚晶界
Examples
- 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
近十年来，用于飞机机翼附面层分离控制的涡流发生器发展很快，出现了亚附面层、微型和智能化涡流发生器等新概念。 - 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，从控制该翼型附面层分离、提高大迎角气动性能的角度出发，通过风洞实验研究，研究了该翼型的附面层特性和气动性能，针对其附面层特性，给出了梯形、三角形和翼型式三种涡流发生器设计方案，为下一步研究工作奠定了坚实基础。 - 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 )综合分析研究了涡流发生器的工作原理和设计原则。根据国内外资料，研究了涡流发生器形状、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素对附面层分离控制效果的影响。