流向涡与机翼作用的实验研究  

作　　者：肖恒 

机构地区：[1]中国飞行试验研究院飞机所,陕西西安710089

出　　处：《科技创新与应用》2021年第30期56-59,共4页Technology Innovation and Application

摘　　要：旋涡运动是自然界和工程中一种常见的流动现象,广泛存在于现代各种飞行器的扰流当中,而在飞行器上产生的旋涡在向下游发展过程中,与机翼、舵面等各类飞行部件发生碰撞作用时,对飞行器的气动性能有着显著影响。为研究这类旋涡与飞行器部件相互作用的问题,本次研究构建了流向涡与机翼相互作用模型,利用流动显示实验方法开展风洞实验研究,得到平板舵面产生的翼尖涡与下游机翼干扰情况。油流显示实验结果表明,流向涡极大改变了机翼表面流动,使得旋涡作用两侧的流动出现了明显的非一致性变化。Vortex motion is a common flow phenomenon in nature and engineering,which widely exists in the spoiler of all kinds of modern aircraft,and the vortex produced on the aircraft is in the process of developing downstream.When it collides with various flight components such as wings and rudder surfaces,it has a significant impact on the aerodynamic performance of the aircraft.In order to study the interaction between this kind of vortex and aircraft components,the interaction model between the flow vortex and the wing is constructed,and the wind tunnel test is carried out using the flow display test method.The interference between the wing tip vortex produced by the flat rudder surface and the downstream wing with pressure hole is obtained.The oil flow display test results show that the flow direction vortex greatly changes the flow on the wing surface,thus resulting in obvious non-uniform changes in the flow on both sides of the vortex.

关 键 词：流向涡 涡干扰 流动显示 

分 类 号：O355[理学—流体力学]