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Numerical Analysis of Boundary Layer Separation Control


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DOI: https://doi.org/10.15866/ireme.v9i1.4490

Abstract


The flow field of a NACA 0024 airfoil is investigated using ANSYS CFX 14. The airfoil used is equipped with a rotating cylinder mounted at its leading edge. Shear Stress Transport (SST) k-ω turbulence model is used in accordance with time dependent simulations. The numerical results are compared with published experimental data. The mean lift coefficient, the pressure coefficient and the velocity profiles at different sections of the airfoil surface are obtained and compared with Experimental results. Both cases of rotation and no rotation of the cylinder are presented. The maximum lift coefficient as well as the stall angle is increased when the cylinder rotation is present. The numerical data of lift coefficient values compared well with the experimental data.
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Keywords


Boundary Layer Control BLC; NACA 0024 Airfoil; ANSYSCFX; SST k-ω Turbulence Model

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References


H. Schlichting, Boundary Layer Theory, ninth ed. (Springer, New York), (2000).

G. V. Lachmann, Boundary Layer and Flow Control, Its Principals and Application, (Pargamon Press, New York, 1961).

L. Rosenhead, Laminar Boundary Layers, (Clarendon Press, Oxford, 1966).

K. J. Orlick-Ruckemann, Aerodynamic Aspects of Aircraft Dynamics at High Angles of Attack. Journal of Aircraft, 20, No. 9,pp. 737-752, (1983).
http://dx.doi.org/10.2514/3.44938

D. Kuchemann, The Aerodynamic Design of Aircraft. Pergamon,Oxford, England, UK, (1978).
http://dx.doi.org/10.2514/4.869228

L.E. Ericsson, J. P. Reding, Dynamics of Forebody Flow Separation and Associated Vortices. Journal of Aircraft, 23, No. 4,pp. 329-335, (1985).
http://dx.doi.org/10.2514/3.45128

A. Z. Al-Garni,A. M. Al-Garni, S. A. Ahmed, A. Z. Sahin, Flow Control for an Airfoil with Leading-edge Rotation: An Experimental Study. Journal of Aircraft, 37,No. 4, (2000).
http://dx.doi.org/10.2514/2.2673

Sinha, P., Biswas, A., Majumdar, B., Computational Analysis of Flow Structure in a Curved Subsonic Diffusing Duct, (2013) International Review of Aerospace Engineering (IREASE), 6 (4), pp. 209-214.

J. Seifert, A review of the Magnus effect in aeronautics, Progress in Aerospace Sciences, 55,pp. 17-45, (2012).
http://dx.doi.org/10.1016/j.paerosci.2012.07.001

Ashutosh, T., Thakur, R., Hazarika, A., Pandey, K., CFD Analysis of the Flow Over a National Advisory Committee for Aeronautics (NACA) 0009 Airfoil, (2013) International Review of Aerospace Engineering (IREASE), 6 (1), pp. 83-94.

N. Thouault, C. Breitsamter, J. Seifert, C. Badalamenti, S.A. Prince, N.A. Adams, Numerical Analysis of a Rotating Cylinder with Spanwise Discs, ICAS (2010).
http://dx.doi.org/10.2514/1.j050856

J.S. Tennant, W.S. Johnson, A. Krothapalli, Rotating Cylinder for Circulation Controlonan Airfoil. Journal of Hydronautics, 10, No. 3,(1976).
http://dx.doi.org/10.2514/3.48147

V.J. Modi,Moving Surface Boundary-Layer Control: A Review. Journal of Fluid Structure, 11, No. 6, (1997).
http://dx.doi.org/10.1006/jfls.1997.0098

A. A. Hassan, L. N. Sankar, Separation Control Using Moving Surface Effects: Numerical Simulation, Journal of Aircraft 29, No. 1, pp. 131-139, (1992).
http://dx.doi.org/10.2514/3.46136

R. Sahu, B.S.V. Patnaik, CFD Simulation of Momentum Injection Control Past A StreamlinedBody. International Journal of Numerical Methods for Heat & Fluid Flow, 21, No. 8,pp. 980 – 1001, (2011).
http://dx.doi.org/10.1108/09615531111177750

A.Shmilovich, Y. Yadlin, , Flow Control for the Systematic Buildup of High-lift Systems, Journal of Aircraft, 45,No. 5,pp. 1680-1688, (2008)
http://dx.doi.org/10.2514/1.35327

P.R. Viswanath,Some Thoughts on Separation Control Strategies, Sadhana 32 , parts 1 &2, pp. 83-92, (2007).
http://dx.doi.org/10.1007/s12046-007-0007-9

V. J. Modi, V. S. Deshpande,A Joukowski Airfoil with Momentum Injection, Proceedings of the Conference on Atmospheric flight mechanics, pp. 445-453, (2000).
http://dx.doi.org/10.2514/6.2000-4108

Ahmed, S., Nazari, A., Wahba, E., Numerical analysis of separation control over an airfoil section, (2014) International Review of Aerospace Engineering, 7 (2), pp. 48-54.

Saatchi, D., Fathali, M., Khojasteh, A.R., The impacts of five different turbulence models on the accuracy of computational aeroacoustic results for an airfoil and acoustic localization analysis for well suited model, (2014) International Review of Mechanical Engineering (IREME), 8 (2), pp. 387-398.

ANSYS CFX 14- Solver Theory Guide, (2009).

Pavlika, V., The Calculation of Axisymmetric Duct Geometries with Hagen-Poiseuille Flow for an Incompressible Fluid, (2014) International Journal on Numerical and Analytical Methods in Engineering (IRENA), 2(3), pp. 70-78.

Hazarika, A., Thakur, R., Ashutosh, T., Pandey, K., CFD Analysis of Flow Over Airfoil with Variation in Inlet Velocity, (2013) International Review of Aerospace Engineering (IREASE), 6(1), pp. 18-27.

Driss, Z., Karray, S., Kchaou, H., Abid, M.S., Computer simulations of fluid-structure interaction generated by a flat-blade paddle in a vessel tank, (2014) International Review of Aerospace Engineering, 7 (3), pp. 88-97.


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