fluent超声速弹翼组合体干扰的数值模拟及气动特性分析
关键词 超声速 弹翼组合体 气动分析 空气动力学 fluent
毕业论文设计说明书外文摘要
Title Numerical simulation and aerodynamic characteristics analysis of supersonic wing assembly interference
Abstract
In this paper, the aerodynamic characteristics of the wing assembly at supersonic studied and analyzed the differences between the aerodynamic characteristics of a separate wing flaps and the combination between, using computational fluid dynamics software (CFD) fluent on the wing a combination of supersonic flow field under the numerical simulation. This paper studied elastomer - aerodynamic interference between the wing assembly There are two main effects of interference, interference wing of the elastomer interference on the wing of an elastomer. Wing of the elastomer interference produced mainly in elastomer pressure difference would a net wing surface lift and wave drag, decoy body of the wing's angle of attack is due to the effective angle of attack elastomer will increase the wing large, thereby interfering with wing lift, drag, and so on. In this paper, after assembly of the wings was simulated, and the experimental data were compared and contrast theoretical conclusions, aerodynamic interference effects of supersonic flight made a brief physical analysis, and general introduction about the research methods and analysis.
Keywords supersonic wing-body combination fluent aerodynamic analysis aerodynamics
目 次
1 引言 1
1.1 课题研究的背景及意义 1
1.2 计算流体力学的发展和前景 1
1.3 国内外超声速弹翼组合体的研究现状 2
1.3.1 国外研究现状 2
1.3.2 国内研究现状 2
1.4 本文的主要内容和组织结构 3
1.4.1 论文主要研究内容 3
1.4.2 论文的组织结构 3
2 弹翼组合体模型的建立和方法研究 5
2.1 计算模型 5
2.1.1 单片弹翼的计算模型 5
2.1.2 弹翼组合体计算模型 6
2.2 网格生成技术 7
2.3 计算方法 8
2.3.1 FLUENT软件简介 8
2.3.2 边界条件 9
2.4 本章小结 9
3 超声速下单片弹翼空气动力学特性 10
3.1 引言 10
3.2 不同攻角下弹翼的流场特性分析 10
3.3 不同马赫数下的弹翼的气动特性分析 12
3.4 本章小结 13
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