∗ E-mail: [email protected] # Tel: (216) 433-5855 Fax: (216) 433-5802 E-mail: [email protected] INTRODUCTION A multi-stage compressor design is a typical multiobjective problem (MOP) involving some competing objectives such as maximization of efficiency, maximization of total pressure ratio, maximization of mass flow rate, minimization of weight, maximization of durability, e...

♦ Corresponding Author, Chief Technology Officer: [email protected] ABSTRACT Ramgen Power Systems, Inc. (RPS) is developing a family of high performance supersonic compressors that combine many of the aspects of shock compression systems commonly used in supersonic flight inlets with turbo-machinery design practices employed in conventional axial and centrifugal compressor design. The result i...

In order to prolong the service life of multistage axial compressors, it is increasingly important study influence blade surface roughness on compressor performance. this paper, a five-stage real aero-engine was selected as research object, and an equivalent gravel model used based measured data. Furthermore, impact performance at design rotational speed studied by full three-dimensional numeri...