Performance Prediction Modeling of Axial–Flow compressor by Using of Loss modelsبیستمین کنفرانس سالانه مهندسی مکانیک
Axial flow compressor is one of the most important parts of gas turbine units. Therefore, its design and performance prediction are very important. Onedimensional modeling is a simple, fast and accurate method for performance prediction of any type of compressors with different geometries. In this approach, inlet flow conditions and compressor geometry are known and by considering various compressor losses, velocity triangles at rotor, and stator inlets and outlets are determined, and then compressor performance characteristics are predicted. Numerous models have been developed theoretically and experimentally for estimating various types of compressor losses. In present work, performance characteristics of the axial–flow compressor are predicted based on one–dimensional modeling approach. Firstly, the proposed algorithm for modeling and then the losses model for calculation of pressure loss coefficient in the blades cascade have been represented. In this work, models of Lieblein, Koch–Smith, Aungier, Hawell are implemented to consider compressor losses. The model resultes are compared with experimental data to validate the model.<\div>
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