This article reports CFD-modeling technique of flow through a kerosene pump and suggests appropriate CFD tools, model configuration, types of boundary conditions, turbulence models and meshing technique. The flow features were analyzed and error of the CFD-model was estimated. The CFD results were compared with experimental results. The final CFD-model, which was also verified with the impeller radial load estimation, shows that the technique produces sufficient accurate results with less computational cost. The technique can be used for the design optimization of a multistage pump.
In this paper, we present a methodology to integrated simulation of gas turbine engine (GTE). This method allow to predict performance of GTE components workflows with account the mutual influence. Steady state CFD modeling of compressor, combustion chamber and the turbine are demonstrated. Solution is provided in separate solvers step by step. Efforts to decide some problem of matching models are written. Author shows the accuracy level of boundary data achieved with this approach.
Abstract:The aim of this article was the development of the gas-dynamic models allowing to calculate the working processes of the gas turbine engine (GTE) in the compressor, in the combustion chamber and in the turbine at the same time. The possibilities of software systems for complex engine workflow modeling are specified. The advantages and disadvantages of the presented methods are specified. The results of complex GTE simulation in a single software product are presented. It is shown that the results of a complex gas dynamic modeling are in a good agreement with the calculation results obtained using a calibrated one-dimensional thermodynamic model.
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