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Content archived on 2024-05-30

Microwave Clearance Measurement System for Low Pressure Turbines

Objective

"The objective of this project is further development, laboratory validation, and demonstration of a microwave clearance measurement system (MCMS) on a SAGE4 GTF demonstrator engine. The system will measure radial running clearances and axial rotor displacements in the low-pressure turbine with the goal of application in a closed-loop Active Clearance Control (ACC) system. The project will first develop measurement concepts in a laboratory setting, translate these concepts to designs suitable for implementation in the demonstrator engine and then test the measurement system during an engine test. In addition, the project will demonstrate high operational reliability and field-replaceability of microwave sensors in the harsh low pressure turbine environment with the goal of at least one typical engine maintenance interval. Finally, the accuracy of the measurement of radial clearance and axial position, measurement interval, measurement signal processing and data formats will be demonstrated suitable for integration with an ACC system. Successful validation of a reliable MCMS used in conjunction with a closed-loop ACC control system for aerospace gas turbine engines will result in more efficient turbine and better engine performance and efficiency and hence improved fuel consumption and reduced emissions and will facilitate the early introduction of innovative and competitive European products into the market."

Call for proposal

SP1-JTI-CS-2011-03
See other projects for this call

Coordinator

MEGGITT SA
EU contribution
€ 349 993,00
Address
ROUTE DE MONCOR 4
1752 Villars S Glane
Switzerland

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Region
Schweiz/Suisse/Svizzera Espace Mittelland Fribourg / Freiburg
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Administrative Contact
Pavol Rybarik (Dr.)
Links
Total cost
No data