Communications - Scientific Letters of the University of Zilina 2005, 7(4):18-22 | DOI: 10.26552/com.C.2005.4.18-22

Direct Numerical Optimisation of a Fuel Jet Pump Based on a Pseudo-Compressibility Method Using Characteristic Boundary Conditions

Arpad Veress1, Jozsef Rohacs1, Imre Santa1, Tamas Gausz1
1 Department of Aircraft and Ships, Faculty of Transportation, Department of Aircraft and Ships, Budapest, Hungary

The paper tries to give an overview of the latest industrial development of the Department of Aircraft and Ships at the Budapest University of Technology and Economics.The numerical investigation presented below based on Chorin's pseudo-compressibility method is used to make the incompressible Euler equations artificially hyperbolic [1]. A less dissipative flux difference splitting method is evolved to solve governing equations. A low cost 4th order Runge-Kutta method is applied for time marching in pseudo space. Both extrapolated and characteristic type boundary conditions are examined and compared with each other in qualitative accuracy and convergence point of view. Using the described computational tool a direct numerical optimisation of a fuel jet pump is performed.

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Published: December 31, 2005  Show citation

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Veress, A., Rohacs, J., Santa, I., & Gausz, T. (2005). Direct Numerical Optimisation of a Fuel Jet Pump Based on a Pseudo-Compressibility Method Using Characteristic Boundary Conditions. Communications - Scientific Letters of the University of Zilina, 7(4), 18-22. doi: 10.26552/com.C.2005.4.18-22
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    References

    1. CHORIN, A. J.: A Numerical Method for Solving Incompressible Viscous Flow Problems. Journal of Computational Physics, 2, 12-26, 1967. Go to original source...
    2. MANNA, M.: A Three Dimensional High Resolution Compressible Flow Solver. PhD Thesis in Catholic University of Louvain, 1992.
    3. VERESS, Á.: Numerical Methods and Applications for Flow Calculations in Turbo and Fluid Machines. Ph. D. thesis, Department of Aircraft and Ships, Budapest University of Technology and Economics, 2004.

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