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CRISP/AGATA



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  • 3D-model of CRISPmulti
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    • 3.1 MB
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    Credit: DLR (CC BY-NC-ND 3.0).

  • Reshaped semi-finished product and milled rotor blade
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    • 0.62 MB
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    Credit: DLR (CC BY-NC-ND 3.0).

  • Demonstrator assembly (1)
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    • 5.33 MB
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    Credit: DLR (CC BY-NC-ND 3.0).

  • Demonstrator assembly (2)
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    • 4 MB
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    Credit: DLR (CC BY-NC-ND 3.0).

  • Airplane configuration with embedded propulsion
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    • 0.05 MB
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    Credit: DLR (CC BY-NC-ND 3.0).

Counter-rotating rotors are a promising but also challenging concept for high bypass ratio fan stages.  The multidisciplinary design of the counter-rotating fan stage takes into account aerodynamic, aeroelastic, structural and manufacturing aspects and is being carried out as a close cooperation between the DLR Institutes of Propulsion Technology, Aeroelastics and Structures and Design, together with the Systemhaus Technik Engineering Facility. This made an increase in the level of aerodynamic efficiency, lower noise emissions and reductions in weight possible.  The Project includes the demonstration of a novel manufacturing process for rotor blades made of fiber reinforced thermoplastics (CF-PEEK). The design objectives are tested experimentally on DLR’s modern Multistage Two Shaft Compressor Test Facility (M2VP).


Contact
Nicolai Forsthofer
German Aerospace Center

Institute of Structures and Design 

Stuttgart

Tel.: +4971168628211

Fax: +49 711 6862-227

Links
DLR AT - Gegenläufige ummantelte Fans (CRTF)
DLR News: Ge­gen­läu­fi­ger Ro­tor soll Luft­fahrt­an­trie­be noch ef­fi­zi­en­ter ma­chen
Multistage Two Shaft Compressor Test Facility
Multidisziplinäre Optimierung
Counter Rotating Fan
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