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Jahangirian, A; Johnston, LJ; School of Computing, Science & Engineering
Languages: English
Types: Unknown
Subjects: other, TL

Classified by OpenAIRE into

arxiv: Physics::Fluid Dynamics
A method to compute the aerodynamics of multi-element aerofoil, high-lift systems is outlined. The Reynolds-averaged Navier-Stokes equations are solved using an unstructured-grid approach, together with a finite-volume spatial discretisation and a dual-time implicit, time-marching solution procedure. Turbulence modelling is at the differential Reynolds stress level, in order to capture the anticipated influence of significant streamline curvature on the flow development, particularly for landing configurations. Results are presented comparing predictions with experimental data from the UK’s National High-Lift Programme. In general, good agreement is obtained but further work is required to incorporate transition prediction which appears to have an influence on the stall mechanism.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • [1] Smith, A.M.O., 'High Lift Aerodynamics', Journal of Aircraft, Vol.12, No.6, June 1975.
    • [2] Meredith, P.T., 'Viscous Phenomena Affecting High-Lift Systems and Suggestions for Future CFD Development', High-Lift System Aerodynamics, AGARD CP-515, Sept. 1993, pp.19-1/19-8.
    • [3] Nield, B.N., 'An Overview of the Boeing 777 High Lift Aerodynamic Design', Aeronautical Journal, Nov. 1995, pp. 361-371.
    • [4] Reckzeh, D., 'Aerodynamic Design of the High-Lift Wing for a Megaliner Aircraft', Aerospace Science and Technology, No.7, 2003, pp.107-119.
    • [5] Rumsey, C. and Ying, S., 'Prediction of High Lift: Review of Present CFD Capability', Progress in Aerospace Sciences, 38, 2002, pp.145-180.
    • [6] van Dam, C.P., 'The Aerodynamic Design of Multi-Element High-Lift Systems for Transport Airplanes', Progress in Aerospace Sciences, 38, 2002.
    • [7] Morgan, H., 'Experimental Test Results of Energy Efficient Transport (EET) High-Lift Airfoil in Langley LowTurbulence Pressure Tunnel', NASA TM-2002-211780, 2002.
    • [8] Jahangirian, A. and Johnston, L.J., 'Calculation of High-Lift Aerodynamics on Adaptive Unstructured Grids', in Proceedings of the 20th ICAS Congress (2), pp.193-217, 1996.
    • [9] Marques, S.P. and Johnston, L.J., 'Unstructured Grid Generation Method and Flow Solutions for TwoDimensional, High-Lift Aerofoil Configurations', AIAA Paper 2007-1299, 45th AIAA Aerospace Sciences Meeting and Exhibit, 8-11 January 2007, Reno, Nevada, USA.
    • [10] Löhner, R., 'Finite Element Methods in CFD: Grid Generation, Adaptivity and Parallelization', Special Course on Unstructured Grid Generation Methods for Advection Flows, AGARD AR-787 (1992).
    • [11] Mavriplis, D.J., 'Unstructured Mesh Generation and Adaptivity', Algorithm and Data Structures for Structured and Unstructured Grid Generation, VKI, 1998.
    • [12] Johnston, L.J. and Stolcis, 'Prediction of the High-Lift Performance of Multi-Element Aerofoils Using an Unstructured Navier-Stokes Solver', High-Lift System Aerodynamics, AGARD CP-515, Sept. 1993, pp.13-1/13- 18.
    • [13] Cantariti. F.J.-J. and Johnston, L.J., 'High-Lift Navier-Stokes Computations on Unstructured Grids Using a Differential Reynolds Stress Model', Numerical Methods for Fluid Dynamics V, Edited by K.W. Morton and M.J. Baines, Oxford Science Publications, 1995, pp.319/325.
    • [14] Jameson, A., Baker, T.J. and Weatherill, N.P., 'Calculation of Inviscid Transonic Flow over a Complete Aircraft', AIAA Paper 86-0103, 1986.
    • [15] Jameson, A., 'Time Dependent Calculations Using Multigrid with Applications to Unsteady Flows Past Airfoils and Wings', AIAA Paper 91-1596, 1991.
    • [16] Jahangirian, A. and Hadidoolabi, M., 'An Implicit Solution of the Unsteady Navier-Stokes Equations on Unstructured Moving Grids', in Proceedings of the 24th ICAS Congress (2), 2004.
    • [17] Moir, I.R., 'Measurements on a Two-Dimensional Aerofoil with High-Lift Devices', A Selection of Experimental Test Cases for Validation of CFD Codes, AGARD AR-303, A2, 1992.
    • [18] Woodward, D.S. and Lean, D.E., 'Where is High-Lift Today? - A Review of Past U.K. Research Programmes', High-Lift Systems Aerodynamics, AGARD CP-515, Sept. 1993, pp.1-1/1-45.
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