Ae Energietechnik

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	Phone : Mail : Address : Energy Department - Steam Turbine Postfach 89,Siemensstrasse 1210 1004 Wien Austria Web :

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	Active Magnetic Bearnings In Aircraft Turbo-Machinery AMBIT 1998 - 2001 Subjects : Materials Technology, Innovation, Technology Transfer, Industrial Manufacture Contract type : Cost-sharing contracts Participants : IMPERIAL COLLEGE OF SCIENCE, TECHNOLOGY AND MEDICINE UNITED KINGDOM IMPERIAL COLLEGE OF SCIENCE, TECHNOLOGY AND MEDICINE Education,Other DEPARTMENT OF MECHANICAL ENGINEERING Exhibition Road SW7 2BX UNITED KINGDOM Eidgenössische Technische Hochschule - ETH Zürich SCHWEIZ/SUISSE/SVIZZERA Eidgenössische Technische Hochschule - ETH Zürich Education Mechatronics Laboratorium 101,Raemistrasse 8092 SCHWEIZ/SUISSE/SVIZZERA TURBOMECA SA FRANCE TURBOMECA SA Other DÉPARTEMENT ETUDES MOTEURS - DIRECTION DES ETUDES Avenue du Président Szydlowski 64511 FRANCE UNIVERSITAET DARMSTADT/TU DEUTSCHLAND UNIVERSITAET DARMSTADT/TU Education MECHATRONISCHE SYSTEME IM MASCHINENBAU - FACHBEREICH MASCHINENBAU 30,Petersenstrasse 30 64287 DEUTSCHLAND AE Energietechnik GmbH ÖSTERREICH AE Energietechnik GmbH Industry Energy Department - Steam Turbine Postfach 1004 89,Siemensstrasse 1210 ÖSTERREICH MECOS TRAXLER AG SCHWEIZ/SUISSE/SVIZZERA MECOS TRAXLER AG Industry 36,Industriestrasse 26 8404 SCHWEIZ/SUISSE/SVIZZERA MTU Motoren- und Turbinen-Union München GmbH DEUTSCHLAND MTU Motoren- und Turbinen-Union München GmbH Industry Dynamics Systems Department 665,Dachauer Strasse 80995 DEUTSCHLAND AE Energietechnik Austria AE Energietechnik Industry Energy Department - Steam Turbine Postfach 1004 89,Siemensstrasse 1210 Austria MTU Motoren und Turbinen Union München Germany MTU Motoren und Turbinen Union München Industry System Tests and Monitoring Department Postfach 50 06 40 665,Dachauer Strasse 665 Germany MECOS TRAXLER Switzerland MECOS TRAXLER Industry 36,Industriestrasse 26 Switzerland Hide general information Objectives and content Active Magnetic Bearings (ABMs) offer the potential to replace conventional bearings and oil lubrication systems in aircraft engines, leading to reduced weight, reduced fire hazard, more compact designs, increased power and efficiency, and increased reliability and maintenance intervals. Medium-sized ABMs are already used in machine tools to obtain high accuracy at high speed and the on-line control of these devices is well developed. ABMs allow higher bearing velocities than conventional oillubricated bearings, permitting higher rotational speeds for large shafts. However, current AMB designs operate at about the same maximum temperature as oil bearings, about 150 C. They do not have the ability to survive massive overloads, such as are caused by heavy landings or blade-off conditions in aero engines, or earthquakes in power generation systems. This basic research project investigates the proposals for ABMs to be used in aero-engines in three areas: dynamics of the rotor and bearings in extreme load conditions. elevated-temperature operation of the ABMs with a target of 540 C. alternative design concept studies to realise the full potential of using advanced ABMs in aero-engines. The project will focus on investigating materials and designs to cope with these problems, and to develop analytical tools to predict the performance. Two test rigs will validate the prediction methods and demonstrate the improvements achieved. The advanced technology developed in this project will be applicable to other gas-turbine designs and to a wide range of high-technology machines such as pumps and compressors, increasing their safety and efficiency. Source : cordis