AEROPZT PROJECT - 2 Pages

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AEROPZT PROJECT

Catalog excerpts

AEROPZT PROJECT WWW.AEROPZT.EU Development of materials and processes for the application of Piezoelectric materials in aero engine controls High temperature multilayer actuator (MLA) Noliac A/S ACARE (the Advisory Council for Aviation Research and Innovation in Europe) has set guidelines for the environmental impact of aerospace that target significant reductions in aircraft emissions. Gaseous emissions such as CO2 and NOx are essentially a product of airframe and powerplant performance. A potential route to improving performance, thereby reducing emissions, is the introduction of active control technology within the powerplant to increase efficiency. An enabler of active control techniques is the capability to manage and manipulate fluid flow, which is limited by the characteristics of existing electromechanical and hydraulic actuation devices. These limitations include frequency response, cyclic life and durability under harsh operating conditions. Piezoelectric ceramic technology has the potential to overcome some of these limitations; offering a route to highly reliable actuation devices. Encapsulated Pre-stressed Piezoelectric Actuator (PPA-E) Cedrat Technologies SA OBJECTIVE AEROPZT will address the challenge of developing more capable piezoelectric ceramics, protective encapsulation systems and actuator designs, targeting fluid flow control challenges (e.g. lean-burn combustion fuel staging). In this application the aim is to maintain precise control of flow between pilot-mains fuel streams to enable combustion processes that reduce NOx emissions. Additional active control elements include management of lean-combustion thermoacoustic instability and lean-blow out. FEM Simulation of the amplified piezo actuator (APA®) PoliTo It is expected that the technologies developed within this project will have a wide range of device applications, such as direct clearance control actuation, air flow manipulation for boundary layer control and sensor devices. Aero Engine AEROPZT PROJECT

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AEROPZT PROJECT WWW.AEROPZT.EU PROJECT PARTNERS TWI is a world leading research and technology organisation. Over 900 staff give impartial technical support in welding, joining, material science, structural integrity, NDT, surfacing and packaging. Services include generic research, confidential R&D, technical information, technology transfer, training and qualification. As the Coordinator for AEROPZT, TWI will lead and manage the project. TWI will also carry out accelerated environment testing and post testing evaluation of the piezo ceramics and the actuator assemblies. www.twi-global.com...

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