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变体战斗机2种变体方式气动特性研究

Investigation on Aerodynamic Charateristics of Two Morphing Forms of the Fighter
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摘要 文中针对变体战斗机进行了全速域N-S方程绕流数值模拟,探索了机翼的刚性旋转式变后掠和柔性平行式变后掠2种变后掠方式,操纵舵面的刚性偏转及光滑柔性偏转2种舵面偏转形式的气动特性差异,并对产生差异的原因进行了机理分析。结果表明,在全速域范围内,柔性变后掠方式在阻力特性及焦点变化量方面,均具有明显优势,柔性襟翼在升力方面具有相当大的优势,柔性副翼的滚转效率约是传统机械式副翼的7倍。 This paper concentrates on the research of numerical simulations on a variable-sweep fighter aircraft based on solving N-S equation at all mach numbers. The research consists of two different types of variable-sweep wings: rigidly connected and flexible. The difference between rigid and flexible deflection of control surfaces is demonstrated. The results indicate that flexible variable-sweep wings have better characteristic of drag and focus point,flexible flaps are able to provide more lift,and the efficiency of control in rolling direction of flexible ailerons is 7 times as much as traditional mechanical aileron.
作者 樊鹏飞 富佳伟 张震宇 FAN Dengfei;FU Jiawei;ZHANG Zhenyu(Shenyang Aircraft Design & Research Institute,Shenyang 110035,China)
出处 《飞机设计》 2018年第5期7-11,共5页 Aircraft Design
关键词 刚性旋转变后掠 柔性平行变后掠 气动特性 柔性襟翼 柔性副翼 rigid variable-sweep flexible variable-sweep aerodynamic characteristics flexible flap flexible aileron
作者简介 樊鹏飞(1984—)男,硕士,高级工程师,研究方向:飞机气动布局设计,E-mail:452112031@qq.com.
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