Experimental Investigation of an Efficient and Lightweight Designed Counter-Rotating Shrouded Fan Stage

Author:

Lengyel-Kampmann Timea1,Karboujian Jirair1,Charroin Guillaume1,Winkelmann Peter2

Affiliation:

1. German Aerospace Center, Institute of Propulsion Technology, 51147 Cologne, Germany

2. German Aerospace Center, Institute of Structures and Design, 70569 Stuttgart, Germany

Abstract

The German Aerospace Center designed, aero-mechanically optimized and experimentally investigated its own counter-rotating shrouded fan stage in the frame of the project CRISPmulti. Their target and the motivation of this work was, on the one hand, the generation of a highly accurate experimental database for the validation of the modern numerical design and optimization processes, and on the other hand, the development of a new innovative technology for the manufacturing of 3D fan blades made of a lightweight CFRP material. The original CRISP-1m test rig designed by the MTU Aero Engines in the 1980s was reused with the new blading for experimental investigation in the Multistage Two-Shaft Compressor Test Facility (M2VP) of the DLR in Cologne. The evaluation of the steady measurement results and the validation of the numerical simulation based on the pressure and temperature measurement are presented in this paper.

Publisher

MDPI AG

Reference8 articles.

1. Sieber, J. (1991). Aerodynamic Design and Experimental Verification of an Advanced Counter-Rotating Fan for UHB Engines, Third European Propulsion Forum.

2. Counter Rotating Fans—An Aircraft Propulsion for the Future?;Schimming;J. Therm. Sci.,2003

3. Goerke, D., Le Denmat, A.-L., Schmidt, T., Kocian, F., and Nicke, E. (2012, January 11–15). Aerodynamic and Mechanical Optimization of CF/PEEK Blades of a Counter Rotating Fan. Proceedings of the ASME Turbo Expo 2012: Turbine Technical Conference and Exposition, Copenhagen, Denmark.

4. Kajasa, B., Lengyel-Kampmann, T., and Meyer, R. (2022, January 25–30). Numerical and Experimental Design of a radial displaceable Inlet Distortion Device. Proceedings of the ISABE Conference, Ottawa, ON, Canada.

5. Forsthofer, N., and Reiber, C. (2016, January 13–15). Structural Mechanic and Aeroelastic Approach for Design and Simulation of CFRP Fan Blades. Proceedings of the ASME Turbo Expo, Braunschweig, Germany.

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