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Dijital Arşivi

Numerical study on airfoils in steady and oscillating streams

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dc.contributor Graduate Program in Mechanical Engineering.
dc.contributor.advisor Ecder, Ali.
dc.contributor.author Özalp, Mehmet Rifat.
dc.date.accessioned 2023-03-16T11:17:55Z
dc.date.available 2023-03-16T11:17:55Z
dc.date.issued 1999.
dc.identifier.other ME 1999 Oz12
dc.identifier.uri http://digitalarchive.boun.edu.tr/handle/123456789/15180
dc.description.abstract In this study, a numerical method has been developed in order to simulate steady and unsteady flow fields around airfoils. The unsteady flow field around the airfoil has been obtained by imposing periodically oscillating far field boundary conditions. In the interior domain, the Navier-Stokes equations have been solved by using Krylov subspace methods. The non-linear part of the problem has been linearized by Newtons method and GMRES is used as the linear solver with ILU preconditioner for efficient calculations. In order to reduce storage requirements, matrix free method is employed. The method of body-fitted curvilinear coordinate generation has been used to construct a finite-difference solution of the full, incompressible Navier-Stokes equations for the laminar viscous flow about arbitrary two-dimensional airfoils or any other two dimensional bodies. The governing equations in generelized curvilinear coordinate system were solved by using the stream function-vorticity formulation, which eliminates the pressure term. The velocity components have been calculated from the dependent variables, namely stream function and vorticity.
dc.format.extent 30 cm.
dc.publisher Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999.
dc.relation Includes appendices.
dc.relation Includes appendices.
dc.subject.lcsh Numerical grid generation (Numerical analysis)
dc.subject.lcsh Aerofoils.
dc.title Numerical study on airfoils in steady and oscillating streams
dc.format.pages xvi, 100 leaves :


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