ADTurBII: Aeroelastic design of turbine blades II

• Research unit: EU RFP
• Project number: 99.0034-2

Key words (English)

Turbine blades; high cycle fatigue; dampers;
Aerospace Technology; Economic Aspects; Industrial Manufacture; Information Processing; Information Systems; Transport

Alternative project number (English)

EU project number: G4RD-2000-00189

Research programs (English)

EU-programme: 5. Frame Research Programme - 1.3.4 New perspectives in aeronautics

Short description (English)

See abstract

Partners and International Organizations (English)

Coordinator: Rolls Royce, Derby (UK)

Abstract (English)

The project is directly concerned with safety & reliability of aeroengines, addressing the problem of High Cycle Fatigue of turbine blading & the measures needed to avoid it. On average 2.5 HCF incidents occur for each new engine design despite use of the best available tools today, and compromising the efficiency of t he design to reduce risk. The objective of the project is to target a 50% reduction in such incidents by gaining a deeper understanding of the complex aeroelastic phenomena involved. This will be achieved by performing a series of experiments. One set will provide data about one of the more complex, least understood forcing functions, Low Engine Order and the other focuses on the prediction of blade response including sources of scatter causing the mistune phenomenon. The data obtained (measured unsteady pressures & individual blade responses) will be used to validate & improve the partner's aeroelastic codes, used for prediction of this multidisciplinary problem that depends on knowledge of both aerodynamic & mechanical behaviour.

References in databases (English)

Swiss Database: Euro-DB of the
State Secretariat for Education and Research
Hallwylstrasse 4
CH-3003 Berne, Switzerland
Tel. [phone]
Swiss Project-Number: 99.0034-2