Aeroacoustic wind tunnel with a maximum speed of 300 km/h

Project scope:

• Office building
• Aero-acoustic wind tunnel
• Preparation zone with workshops
• Thermal wind tunnel

Technical data:

• Nozzle size: 11m²
• Nozzle contraction: 5.5:1
• Length of test section: 9-10 m (movable collector)

Power:

• Max. speed: 300 km/h
• Fan capacity: 2.6 MW
• Degree of turbulence: < 0,3

Acoustic data:

• Sound pressure level in the measuring section at 160 km/h: 60 dB(A)
• Lower limit frequency of the plenum: 63 Hz
• Special features: anti-noise system

Scales:

• For vehicles, accuracy: 0,5 N
• For models, accuracy: 0.3 N
• Integrated lifting platform, max. height: 1,800 mm

Ground simulation:

• Belt with the dimensions: 5,500 mm x 1,000 mm
• Belt speed: 235 km/h
• Wheel drive units integrated in weighing measurement