Multi-Criteria Optimisation of Turbomachinery Blades: Investigating the Trade-Off Surface

This paper describes the application of a new multi-objective integrated turbomachinery blade design optimisation system. The system combines an existing geometry parameterisation scheme, a well-established CFD package and a novel multi-objective variant of the Tabu Search optimisation algorithm. Case studies, in which the o w characteristics most important to the overall performance of turbomachinery blades are optimised, are investigated.