Design and Numerical Study on Aerodynamics Performance for F16 Leading Edge Extension
碩士 === 國立成功大學 === 航空太空工程學系 === 106 === In this research, we use commercial software, ANSYS CFX, to carry out the simulations of the F16 aerodynamics flow fields. The flight with a modified Leading Edge Extension (LEX) is proposed to increase the lift/drag ratio. The Shear Stress Transport k-ω turbul...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2018
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| Online Access: | http://ndltd.ncl.edu.tw/handle/r53785 |
| Summary: | 碩士 === 國立成功大學 === 航空太空工程學系 === 106 === In this research, we use commercial software, ANSYS CFX, to carry out the simulations of the F16 aerodynamics flow fields. The flight with a modified Leading Edge Extension (LEX) is proposed to increase the lift/drag ratio. The Shear Stress Transport k-ω turbulent model is used. The unstructured grid system is generated by the ICEM CFD. The prism grid system around the wall surface is generated to simulate boundary layer viscosity flow field and Tetrahedron Mesh is used for the other computation domain. The lift, drag, and pitch moment are computed. The strong vortex structures upper the wing and vortex bursts under different sweep angle of LEX are investigated.
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