MessTec - The Facilities and Instrumentation Data Base of DLR

 
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Annular Test Facility Goettingen (RPG)

Institute for Aeroelasticity

The facility is designed to perform aeroelastic tests (flutter and forced response) of compressor and turbine blading. It was built according to plans of the Ecole Polytechnique Fédérale de Lausanne (LTT). Technical specification: · Test section for annular cascades for subsonic and transonic compressor and turbine blading · Diameter of the test section: 400 mm · Blade height: 40 mm · max.

Piezoelectric Balance (Piezo-Balance)

Institute for Aeroelasticity

The piezoelectric sensors operate according to the piezoelectric effect: electric polarisation occurs upon mechanical deformation of crystals with polar axes. Depending on the cross section, in quartz, the piezoelectric effect manifests itself as a longitudinal, transversal or shear effect. Hence, it is possible to build force measurement elements made of properly cut slices of quartz that can be used to measure one or several components or moments, depending on the requirements.

System to measure unsteady signals (AMIS III)

Institute for Aeroelasticity

Facility is in service since 2008. It is used to measure voltage signals and to control test procedures (mobile operation world-wide possible). Ground based operation and in-flight operation possible (permission for DLR-ATRA A320).

 
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