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R.W. Meyer, "Plane Performance Calculated with a Less Complex Wing Theory", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Thirteenth International Conference on Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 13, Paper 2.1, 2026, doi:10.4203/ccc.13.2.1

Keywords: aerodynamic wing performance, vortex core, wing theory, lift coefficient, drag coefficient, ideal fluids.

Abstract

In this paper the author uses a less complex wing theory in ideal fluids that connects lift force and drag force of finite 3- dimensional wings with mass flow into the generated vortex cores. Suggesting an unusual induced drag in ideal fluids for 2- dimensional wing sections, leads to a modified version of the equation Prandtl has derived for the relation between lift force Fy and drag force Fx of a 3- dimensional finite wings. This new equation goes over into Prandtl’s equation, if we have low aspect ratios of the wings. To test the theory, the author calculated the measured and published performance of two high performance gliders and the human powered Gossamer Condor. The input parameters are the gross weight, the span, the velocity, the air density and the aspect ratio. The results shows good agreement with the published results, for example the glide ratio or the expected power consumption of the man driven Gossamer Condor.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 13 PROCEEDINGS OF THE THIRTEENTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY Edited by: P. Iványi, J. Kruis and B.H.V. Topping Paper 2.1 Plane Performance Calculated with a Less Complex Wing Theory R.W. Meyer Department of mechanical engineering and maritime studies, University of Applied Sciences, Haugesund, Norway doi:10.4203/ccc.13.2.1 Full Bibliographic Reference for this paper R.W. Meyer, "Plane Performance Calculated with a Less Complex Wing Theory", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Thirteenth International Conference on Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 13, Paper 2.1, 2026, doi:10.4203/ccc.13.2.1 Keywords: aerodynamic wing performance, vortex core, wing theory, lift coefficient, drag coefficient, ideal fluids. Abstract In this paper the author uses a less complex wing theory in ideal fluids that connects lift force and drag force of finite 3- dimensional wings with mass flow into the generated vortex cores. Suggesting an unusual induced drag in ideal fluids for 2- dimensional wing sections, leads to a modified version of the equation Prandtl has derived for the relation between lift force Fy and drag force Fx of a 3- dimensional finite wings. This new equation goes over into Prandtl’s equation, if we have low aspect ratios of the wings. To test the theory, the author calculated the measured and published performance of two high performance gliders and the human powered Gossamer Condor. The input parameters are the gross weight, the span, the velocity, the air density and the aspect ratio. The results shows good agreement with the published results, for example the glide ratio or the expected power consumption of the man driven Gossamer Condor. download the full-text of this paper (PDF, 10 pages, 474 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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