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Development of a blade geometry definition with implicit design variables
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-6958-5508
Volvo Aero.
2000 (English)In: AIAA Paper 00-671, American Institute of Aeronautics and Astronautics, AIAA , 2000Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a method to create 3-dimensional blade geometries defined in terms of stacked profiles where each profile is described by four NURBS curves. The NURBS representations of the profiles are attractive since they can be exchanged with CAD/CAM systems and grid generators. The blade profiles are defined in terms of traditional design variables, e.g. maximum thickness and camber. A numerical optimisation loop is then used to adjust the basic parameters of the NURBS curves until the requested values of the traditional design variables are obtained. Normally the number of traditional design variables is less than the number of NURBS parametersI.t has therefore been necessaryt o define additional constraints that make the shape corresponding to a given set of traditional design variables unique.

Place, publisher, year, edition, pages
American Institute of Aeronautics and Astronautics, AIAA , 2000.
National Category
Fluid Mechanics and Acoustics Energy Engineering
Research subject
Fluid Mechanics; Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-31112Scopus ID: 84894383618Local ID: 52d6df70-a301-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-31112DiVA, id: diva2:1004342
Conference
Aerospace Sciences Meeting and Exhibition : 10/01/2000 - 13/01/2000
Note
Godkänd; 2000; 20070110 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Burman, JörgenGebart, Rikard

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