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Development of a Navier-Stokes solver for multi-block applications
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Date
2004
Author
Erdoğan, Erinç
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A computer code is developed using finite volume technique for solving steady twodimensional and axisymmetric compressible Euler and Navier-Stokes equations for internal flows by أmulti-blockؤ technique. For viscous flows, both laminar and turbulent flow properties can be used. Explicit one step second order accurate Lax-Wendroff scheme is used for time integration. Inviscid solutions are verified by comparing the results of test cases of a support project which was supported by ONERA/France for Turkey T-108, named أ2-D Internal Flow Applications for Solid Propellant Rocket Motorsؤ. For laminar solutions, analytical flat plate solution is used for planar case and theoretical pipe flow solution is used for axisymmetric case for verification. Prandtl turbulent flow analogy is used in a flat plate solution to verify the turbulent viscosity calculation. The test cases solved with single-block code are compared with the ones solved with multi-block technique to verify the multi-block algorithm and good similarity is observed between single-block solutions and multi-block solutions. For the burning simulation of propellant of Solid Propellant Rocket Motors, injecting boundary is used. Finally, a segmented solid propellant rocket motor case is solved to show the multi-block algorithm̕ s flexibility in solving complex geometries.
Subject Keywords
Miscellaneous Motors and Engines.
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http://etd.lib.metu.edu.tr/upload/12605367/index.pdf
https://hdl.handle.net/11511/14550
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Graduate School of Natural and Applied Sciences, Thesis
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E. Erdoğan, “Development of a Navier-Stokes solver for multi-block applications,” M.S. - Master of Science, Middle East Technical University, 2004.