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Measurement technology and test rigs for wind tunnels

Pitch test rig 2.0 in the DLR project Mephisto	Gust generator – A view into the measuring section in the project ALLEGRA	Flutter test rig in the project ALLEGRA	Pitch test rig with 2-D aerofoil model in project STELAR

The institute has a number of setups that permit experimental wind tunnel analysis of various model configurations with different motion forms to meet the needs of various issues within the field of aeroelasticity. The experimental simulation facilities in the wind tunnel experiment include forced motion to measure motion-induced air forces and loads on moving structures, self-excited vibration (flutter) and forced responses. Given that the main focus of analysis is placed on commercial transport aircraft, all models and setups are designed for the Transonic Wind Tunnel in Göttingen, although they are also used in other wind tunnels, e.g. for analysis and exposure to high Reynolds numbers.

The Institute of Aeroelasticity operates the following test rigs

• Pitch test rig and extensions
• Gust test assembly
• Test rig for unimpeded flutter vibration
• Pitch test rig for half-wing models

Measurement technology at the Institute of Aeroelasticity

• AMIS III measurement system
• PicColor deformation measurement
• Piezoelectric sensor for force measurement