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Title: CFD simulation of a Wing-In-Ground-Effect UAV
Authors: Lao CT 
Wong, ETT 
Issue Date: 2018
Publisher: Institute of Physics Publishing
Source: IOP conference series : materials science and engineering, 2018, v. 370, conference 1, 12006, p. 1-9 How to cite?
Journal: IOP conference series : materials science and engineering 
Abstract: This paper reports a numerical analysis on a wing section used for a Wing-In-Ground-Effect (WIG) unmanned aerial vehicle (UAV). The wing geometry was created by SolidWorks and the incompressible Reynolds-averaged Navier-Stokes (RANS) equations were solved with the Spalart-Allmaras turbulence model using CFD software ANSYS FLUENT. In FLUENT, the Spalart-Allmaras model has been implemented to use wall functions when the mesh resolution is not sufficiently fine. This might make it the best choice for relatively crude simulations on coarse meshes where accurate turbulent flow computations are not critical. The results show that the lift coefficient and lift-drag ratio derived excellent performance enhancement by ground effect. However, the moment coefficient shows inconsistency when the wing is operating in very low altitude - this is owing to the difficulty on the stability control of WIG vehicle. A drag polar estimation based on the analysis also indicated that the Oswald (or span) efficiency of the wing was improved by ground effect.
Description: 1st International Conference on Aerospace and Mechanical Engineering, AeroMech 2017, 21-22 November 2017
ISSN: 1757-8981
EISSN: 1757-899X
DOI: 10.1088/1757-899X/370/1/012006
Rights: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence ( Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Published under licence by IOP Publishing Ltd
The following publication Lao, C. T. & Wong, E. T. T. (2018). CFD simulation of a wing-in-ground-effect UAV. IOP conference series : materials science and engineering, 2018, 370, conference 1, 12006, 1-9 is available at
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