Optimum design of a subsonic axial-flow compressor stage |
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| Affiliation: | 1. Faculty 306, Naval University of Engineering, Wuhan 430033, PR China;2. Department of Mechanical Engineering, US Naval Academy, Annapolis, Md 21402, USA;1. Alma Mater Studiorum – University of Bologna, DIN – Viale Risorgimento, 2, Bologna 40136, ITALY;2. CIRI-EA-Alma Mater Studiorum – University of Bologna – via Angherà, 22, Rimini 47900, ITALY;1. State Key Laboratory of Multiphase Flow in Power Engineering, Xi''an Jiaotong University, Xi''an 710049, China;2. Moe Key Laboratory of Thermo-Fluid Science and Engineering, Xi''an Jiaotong University, Xi''an 710049, China |
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| Abstract: | The design of an axial-flow compressor stage for subcritical Mach numbers has been formulated as a non-linear multi-objective mathematical programming problem with the objective of minimizing the aerodynamic losses and the weight of the stage, while maximizing the compressor's stall margin. Aerodynamic as well as mechanical constraints are considered in the optimization solution. The prediction model for estimating the performance characteristics, such as efficiency, weight and stall margin, of the compressor stage is presented. The present design optimization procedure can be applied to a multi-stage compressor. |
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