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SEAL-COAT Résumé de rapport

Project ID: G4RD-CT-2002-00707
Financé au titre de: FP5-GROWTH
Pays: Germany

High temperature test rig for compressor casings

New developed coatings such as abradables have to be tested before their applications in engines. At MTU a specially designed rub in rig is used to test these new abradables under nearly realistic conditions. However, the test temperature of this worldwide unique rub in rig was limited to a maximum temperature of 650°C. Because engine performance will be improved upon other terms by increasing the pressure ratio higher temperatures occur in compressors. Thus, higher test temperatures up to 750°C are required for MTU´s test rig. To meet this requirement from the design the existing rub in rig was modified with a new heating system, clamping elements for discs as well as for casings and with a new unit to control the heating system. Through this upgrade MTU got the ability to test abradables for future applications for themselves as well as for customers.

Informations connexes

Reported by

Coatings for Blades and Casings
Dachauer Strasse 665
80995 Munich
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