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  • ICA C "Energy Storage and Conversion"
Logo Sustainable and Energy Efficient Aviation of TU Braunschweig
C3.1: Multidisciplinary design of shape-adaptive compressor blading
  • ICA C "Energy Storage and Conversion"
    • C1.1 - Design methods for aircraft energy supply systems
    • C2.2 - Integration Strategies for Power Composites in Aircraft Structures
    • C2.3 - Solid-state lithium-sulfur batteries with enhanced stability and structural integration for aviation
    • C3.1 - Functional 3D design and experimental validation of shape-adaptive fan blading
    • C3.3 - Synthetic Fuel Combustion for Aviation Application
    • C3.5 - Numerical investigations of synthetic fuel flames in aviation conditions
    • C3.6 - AICODE: Artificial Intelligence-enhanced Compressor Design
    • C4.1 - Reliable and Robust Electrical Power Conversion for Electrified Aircraft Propulsion Systems
    • C4.2 - Reliable, Efficient and Lightweight Electric Propulsion Drive Systems with Distributed Energy Supply
    • C5.1 - Total Thermal Management Design and Optimization
    • C5.2 - AER-X: Airbone Energy Recovery via vapor eXpansion
    • C5.3 - Cryogenic hydrogen exergy utilisation: Less heat rejection to ambient and more useable energy for propulsion
    • C6.1 - Data-driven understanding of aviation PEM fuel cells under reliability aspects
    • C6.2 - Design and (nano)engineering of PEMFC cathode catalyst layers to boost the efficiency and life-time under aviation conditions
    • C6.3 - DEFCA: Design-space evaluation of the air-, heat- and power-management of fuel cells for aviation
    • C6.4 - Robust and High-Density Fuel-Cell Systems
    • JRG-C3 - Fuel Cells for Aviation
    • C1.1 - Design methodology for aircraft energy supply systems
    • C2.1 - Fundamentals of ElectroFuel Synthesis for Aviation
    • C2.2 - Structural energy storage focussing on battery cells with load-bearing properties
    • C2.3 - Advanced lithium-sulfur battery concepts for aviation
    • C3.1: Multidisciplinary design of shape-adaptive compressor blading
    • C3.2: Adaptive High-Speed Compressors with optimized stage matching for flexible operation
    • C3.3: Synthetic Fuel Combustion for Aviation Application
    • C4.1 - Electric Propulsion Drive Concepts for Future Electrified Aircraft
    • C4.2 - Power Supply System for All Electric Aircraft
    • ⯇ back to research

C3.1: Multidisciplinary design of shape-adaptive compressor blading

What is this project about?

Prinzipexperiment

The need for sustainable and environmentally compatible mobility concepts in aviation presents new challenges, especially for engine design. With the exploration of alternative propulsion concepts, factors such as efficiency and flexibilization are moving into the scope of research. This project therefore aims at the investigation of the integration and application of a shape-variable compressor blading. The aim of this technology is the creation of an optimum blade shape for every prevalent operating state of the compressor. The required deformation of the rotor blading is achieved by applying piezo actuators onto the blade pressure and suction sides. In this project aerodynamic design and optimization calculations are therefore coupled with detailed structural-mechanical investigations.

Aerodynamics: Pre-Design, Optimization, Validation of High Pressure Compressors

Depending on the propulsion concepts derived from the investigation of carbon neutral aviation systems, the associated matching compressor configurations differ significantly from one another. In addition, with innovative propulsion concepts, such as fuel cell systems or the ingestion of synthetic fuels, the design requirements for compressors can strongly alter depending on the prevalent flight phase. To face these newly emerging uncertainties in the compressor design process, a robust and flexible design methodology for modern transonic high-pressure compressor stages is being developed and simulatively validated in the field of aerodynamics. This includes the use of Q3D design methods as well as high resolution CFD methods.  

Within the ICA C3.1 project, the flexibility of compressor design is further increased by including the benefits of variable compressor blading into the design process. This involves more specifically the aerodynamic re-design of the same high-pressure compressor configuration for different relevant operating conditions. The thereby designed blade shapes then serve equally as input and target geometries for the further investigation and design of blade shape adaptation. In addition, aerodynamic simulations are carried out for the entire distortion range to evaluate the potential, but also the limitations of the application of shape-adaption to high-pressure compressor blades.

Structure: Form adaptation of the compressor blades

In addition to the aerodynamic design, it is essential to find a structural solution capable of satisfying the aerodynamic demands of the blade. In the past, various actuator concepts for a shape-adaptive compressor blade were investigated and structurally integrated piezoceramic actuators were identified as one of the most promising concepts. Through the integration of piezoceramic actuators in a compressor’s blade structure, it is possible to adapt the blade staggering for different engine operational conditions. By stretching or contracting themselves in a defined direction, the actuators are able to modify the blade’s shape; however this morphing direction is not always evident and one of the main challenges in the design process of such a structure is to find the right orientation and placement of the actuators in order to maximize the achievable blade twist while ensuring the blade’s strength and respecting the aerodynamic constraints.

Further Information

Project supervision

Prof. Dr.-Ing. Jens Friedrichs

Technische Universität Braunschweig
Institute of Jet Propulsion and Turbomachinery

Dr.-Ing. Johannes Riemenschneider

German Aerospace Center (DLR)
Institute of Composite Structures and Adaptive Systems

Team

Zhuzhell Montano Rejas, M.Sc.

Field of research: Structural Mechanics
German Aerospace Center (DLR)
Institute of Composite Structures and Adaptive Systems

Marcel Seidler, M.Sc.

Field of Research: Aerodynamics
Technische Universität Braunschweig
Institute of Jet Propulsion and Turbomachinery

 

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Contact

Marcel Seidler, M.Sc.

Institute for Jet Propulsion and Turbomachinery
Hermann-Blenk-Straße 37
38108 Braunschweig
Tel. 0531 391-94209
m.seidler(at)ifas.tu-braunschweig.de

 

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Contact information

Cluster of Excellence SE²A –
Sustainable and Energy-Efficient Aviation
Technische Universität Braunschweig
Hermann-Blenk-Str. 42
38108 Braunschweig

se2a(at)tu-braunschweig.de
+49 531 391 66661

 

 

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