Vortex Dynamics Analysis of Straight-Body-Type-Fuselage Fighter Using CFD Simulation

被引：4

作者：

Sutrisno, Sutrisno ^{[1
]}

Deendarlianto, Deendarlianto ^{[1
]}

Rohmat, Tri Agung ^{[1
]}

Wibowo, Setyawan Bektj ^{[1
]}

Iswahyudi, Sigit ^{[1
]}

机构：

[1] Univ Gadjah Mada, Fak Tekn Mech & Ind Engn Yogyakarta, Yogyakarta, Indonesia

来源：

JOURNAL OF AEROSPACE TECHNOLOGY AND MANAGEMENT | 2020年 / 12卷 / 12期

关键词：

Vortex dynamic analysis; Vortex core; Q-criterion; Flight capability; Rolled-up vortex; WING AIRCRAFT; HIGH-ANGLE; F-16XL; AERODYNAMICS; FLOW;

D O I：

10.5028/jatm.v12.1104

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The choice for using a fighter fuselage in a fighter jet design affects a vortex generation advantageous in maneuverability. To study the effect of straight-body-type-fuselage (SBTF) on the vortex dynamic, a computational fluid dynamics (CFD) method is used, in order to simulate a model of SBTF fighter. The simulation uses Q-criterion to probe vortices, and a logarithmic grid to emphasize the micro-gridding effect of the turbulent boundary layer. The results show detailed quantitative velocity, pressure, trajectory of the vortex core, and wing negative surface pressure distribution (SPD), providing clear pictures of opportunity for performance improvement, better lift, agility, and maneuverability of a fighter if a model requires a new design.

引用

页数：13

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