冲压空气涡轮流场数值研究主要目的是模拟在实际高空加油工作状态下涡轮变桨距气动特性。
The aim of numerical experiment of ram air turbines is mainly to simulating its adjustable pitch aerodynamic characteristic on the actual flight refuel conditions.
从而为生物质成型燃料燃烧设备热性能、空气动力场、结渣特性、主要设计参数确定等试验奠定了基础。
This will lay the foundation for the thermal performance test, air dynamic field test, dreg characteristic test and determinative test of the main design parameters.
翼型伞空气动力特性研究是研制高性能翼型伞的一个重要内容，而风洞试验是翼型伞气动性能研究的主要手段之一。
One of the main works to development ram air parawing with high performance is to research its aerodynamic characteristics, and the wind tunnel test technique is usually been taken.
本文主要介绍在直流式燃烧器出口加装钝体稳燃器后的冷态空气动力特性的研究成果。
Research results of the cold aerodynamic flow characteristics of a bluff-body flame stabilizer mounted on the outlet of a tangential burner are reported.
试验结果表明，该模型在空气动力学特性变化强烈和动力学尾流效应起主要作用的地区有更准确的预测。
The result indicated that more accurate predictions are expected in situations where local aerodynamic characteristics strongly vary with time and where dynamic wake effects play a significant role.
本文主要运用CFD方法，在同一平面叶栅，对分别装有圆柱形和椭圆形拉金进行了多个工况下气动特性的比较。
Study on the characteristics of variable condition of the same cascade equipped with a cylindrical or a elliptic lacing wire is made in this paper with CFD.
细长翼翼面上方的前缘集中涡是控制机翼绕流和影响机翼气动力特性的主要因素。
The leading edge vortices are important factor to control the flow field around the slender-wing and to influence the aerodynamic characteristics of the wing.
细长翼翼面上方的前缘集中涡是控制机翼绕流和影响机翼气动力特性的主要因素。
The leading edge vortices are important factor to control the flow field around the slender-wing and to influence the aerodynamic characteristics of the wing.
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