Browsing by Author "Akay, Hasan U."
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Item AN ICE ACCRETION PREDICTION TOOL FOR AIRFOILS BASED ON OPENFOAM(2022-02-15) Edeeb, Seghaer Hossein; Akay, Hasan U.; Özgen, SerkanIce accretion on aircraft components degrades the aircraft performance and causes se rious flight problems. Flight tests, icing wind tunnels, and commercial packages are the main tools used to predict ice shapes and thicknesses. Although there are some commercial and institutional ice accretion simulation packages such as LEWISE, ON ERA, FENSAP, CIRA and CANICE available in the literature, there is no major ice accretion simulation package available in the open-source community. In this thesis, open-source software are used and modified for simulating ice accretion process and its effect on the aircraft characteristics. OpenFoam solver simpleFoam is used for solving the viscous turbulent fluid flow around an airfoil and the Lagrangian solver icoUncoupledKinematicParcelFoam for solving the trajectory of supercooled water droplets. To solve the governing equations of the phase-change, a transient solver called THERMSOLVICE is developed using the Octave library. Ice accretion algorithm is created by combining the available OpenFOAM solvers and the developed THERMSOLVICE solver. It is believed that this approach has the potential for improving the state of the art in prediction of ice formation on aircraft components as more researchers work on it. The created package is used to predict rime and glaze ice shapes and thicknesses on a wing airfoil for different icing condition cases. The effects of ice formation on the airfoil lift and drag coefficients are also investigated, showing significant changes in certain cases. The results show a satisfactory agreement in ice shape predictions obtained using the developed package with the corresponding data in the literature.