NDLI: CFD-Based Aerodynamic Analysis of Damaged Delta Wings

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Bou-Mosleh, Charbel Patel, Samir
Copyright Year	2014
Abstract	This paper addresses the aerodynamic response of damaged delta wings using steady-state Computational Fluid Dynamics simulations. Two types of delta wings are investigated: a High Speed Civil Transport (HSCT) wing and a F16 Block 40 Wing. These types of analyses are required to help predict wings’ remaining flight capability, after damage is inflicted (during battle). The damage is represented by a hole in the CFD model of both wings. Variations in the shape, size, location and orientation of holes are investigated. The lift and drag (at relatively low angles of attack) of the undamaged and damaged wings are predicted and compared. The obtained numerical results indicate that the location of the hole has a significant effect on the performance of the wing. Furthermore, straight-edged holes seem to have a larger impact on the wing’s aerodynamics as opposed to cylindrical-shaped holes. To make the shape of the hole as realistic as possible, petals emerging above the surface of the wing are introduced and their effect is also investigated. Results show a greater increase in drag compared to smooth cylindrical holes. Finally, and to better simulate the jet in cross flow mainly the strong-jet phenomenon, preliminary time-accurate high angles of attack simulation results will be presented.
File Format	PDF
ISBN	9780791846421
DOI	10.1115/IMECE2014-38420
Volume Number	Volume 1: Advances in Aerospace Technology
Conference Proceedings	ASME 2014 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2014-11-14
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Subject Keyword	Wings Cross-flow Simulation results Computational fluid dynamics Simulation Flight Aerodynamics Drag (fluid dynamics) Shapes Engineering simulation Damage Steady state
Content Type	Text
Resource Type	Article

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