Equipment

  • Test cross-section 1,87m x 1,40m,
  • Maximum flow velocity 55 m/s
  • Turbulence intensity < 0,4%

 

  • Test cross-section 0,80m x 1,00m
  • Length of the test-section 8,8 m
  • Maximum flow velocity 2,5 m/s
  • Turbulence intensity < 2%
  • Contraction ratio 4:1

  • Test cross-section 0,60m x 0,45 m
  • Maximum flow velocity 4,8 m/s

  • Test-Sections:
    A1 = 0.2 m x 0.26 m
    A2 = 0.25 m x 0.33 m
    A3= 0.35 m x 0.5 m
  • Max. Velocity:
    U1= 55 m/sec (200 km/h)
    U2 = 35 m/sec (125 km/h)
    U3 = 20 m/sec (72 km/h)

 

  • Max. Volume Rate: 2.8 m³/s
  • Turbulence Level: < 0.22 %
  • Velocity Profile: Difference < 0.5 % of the Mean Value
  • Sound Level Lp in 1 m Distance: 72 dB(A) at U=50 m/sec

  • Measurements: Characteristic Line + Acoustics
  • Dimension: 7m x 3.3 m 2.5m (LxHxB)
  • Max. Volume rate: 3m³/s
  • Max. Impeller diameter: D=1m
  • Max. Pressure difference: 1300 Pa

  • Utilizes Flate Absorbers
  • Volume: 5 m x 4.6 m x 3 m
  • Cut-off Frequency 300 Hz
  • Semi- and Full Free Field Conditions



  • Pressure Supply: 8,5 bar
  • Mass Flow Rate : ~ 800 kg/h
  • max. TC– Rotation Speed : 140000 1/min
  • Integration Slaved Motor

Narrow-gap rheometer working at 20 µm gap width

  • Narrow-gap rotational rheometer based on: Anton Paar MCR 501
    • Parallel disks, diameter 12.5-50 mm
    • Gap widths down to 5 µm
    • Shear rates: up to about 500,000/s
    • Temperature range: 20-40°C
    • Features: Fluorescence microscope, birefringence, normal forces at high shear rates
  • Rotational rheometer: Anton Paar MCR 702
  • Rotational rheometer: Anton Paar MCR 301
  • Rotational rheometer: Physica UDS 200
  • Ubbelohde viscometer: Schott, diverse
  • High-pressure rolling ball viscometer: For pressures up to 700 MPa
  • High-pressure falling ball viscometer: For pressures up to 700 MPa

Couette-flow device

  • Dimensions: 2m length, 25 cm width, variable height
  • Optically accessible
  • Temperature controlled

Test rig for particle-laden flows

  • Sensor testing
  • Variable cross sections

  • Autoclaves with optical windows. Automatically controlled. Pressures up to 700 MPa
  • Melting curve, crystallization: Polarization microscope. For transparent samples and pressures up to 700 MPa
  • Crystallization: Light scattering. For transparent samples and pressures up to 700 MPa
  • Compressibility: Screw press. For liquids and pressures up to 700 MPa
  • Zero-shear viscosity: Rolling ball viscometer: For liquids and pressures up to 700 MPa
  • Zero-shear viscosity: Falling ball viscometer: For transparent liquids and pressures up to 700 MPa
  • pH-value: Optical spectoscopy. Also for intransparent liquids and near solid surfaces. Pressures up to 700 MPa
  • Thermofluiddynamics: particle image velocimeter, Laser Doppler velocimeter, hot-wire anemometry, liquid crystal thermometry. For transparent samples and pressures up to 700 MPa

  • Microphone- Array
  • Multi Microphone Measurements (B&K)
  • Microflown pu-Probe
  • Sound Intensity Probe
  • Artificial Heads (KEMAR, HEADAcoustics)

    • Laser Scanning Vibrometer
    • Laser Vibrometer
    • DMS
    • Acceleration Sensors
    • Force Measurements

 

 

 

 

 

 

  • Particle Image Velocimetry PIV
  • High speed PIV
  • Laser-Doppler-Anemometer LDA
  • Phase-Doppler-Anemometer PDA
  • 3D Hot Wire Measurements (Streamline)
  • High Speed Flow Visualization

 

  • Multi Pressure System: 192 Channels (Pressure Systems)
  • Multi Pressure System: instat. Pressure (Kulite): 64 Pressure Probes
  • 16 – Channels Telemetric System

  • PXI Systeme (NI)
  • LabView / MATLAB
  • SQuadriga – ARTEMIS Software

  • Circular array with 64 microphones
  • Setup on suction side
  • Synchronous acquisition of microphone and rpm signal
  • Virtual rotation of the array with the rotational speed of the fan
  • Possibility of applying beam-forming algorithms in the frequency domain

  • CAD-Software
  •  CAE/CFD-Software
    • Multiple commercial simulation software packages
    • Nek5000: Fortran 77 spectral-element solver
    • Neko (github): modern Fortran 2008 spectral-element solver
    • Simson: Fortran 77 spectral solver for boundary layers (manual)
    • OpenFOAM
    • SU2
    • FASTEST-3D (in-house CFD-Code under on-going development)
    • Postprocessing software including VisIt, Paraview, Python, …

The High-Performance computing resources by the Regionales Rechenzentrum Erlangen (RRZE) enable us to perform large-scale simulations using massively parallel machines, including CPU and GPU clusters. We have also access to European machines via EuroHPC.

  • Mechanical Work Shop
  • Electrical Work Shop