Measurement techniques for flow fields

  • Particle Image Velocimetry 2D-2C
    (repetition rate up to 15 Hz, also immersed)
  • High-Speed Particle Image Velocimetry 2D-3C
    (repetition rate up to 5000 Hz)
  • LDV-Profile sensor
    (resolution down to 1-10µm to measure strong velocity gradients in boundary layers, which conventional LDV is not able to resolve)
  • Ultrasonic Doppler Velocimetry, non-invasive
  • Endoscopic Particle Image Velocimetry
    (up to 15 % gas content)
  • Microscale Particle Image Velocimetry
    (resolution down to 7 μm)

Measurement techniques for concentration fields

  • High-Speed Laser-Induced Fluorescence (LIF) technique with a tunable dye laser
    (temporal resolution up to 5000 fps)
  • Confocal Laser Scanning Microscopy
    (resolution down to approx. 1 μm, three-dimensional)
  • Multi-Channel Fiber Optic Oxygen and Carbon Dioxide
    Concentration Measurement, non-invasive
  • Micro-Laser-Induced Fluorescence
    (resolution down to 7 μm and 5000 fps)

Measurement techniques for dispersed phase parameters (up to 15 % gas hold-up)

  • Endoscopic Measurement of Bubble and Droplet Size Distributions
    (up to 150 bar, 250°C)
  • Laser-Optical Micro-Probe for Measurement of Bubble and Droplet Velocity
  • High-Speed Imaging

Measurement techniques for physical fluid properties

  • Rotational Rheometer
  • Drop Volume Tensiometer
  • Bubble Pressure Tensiometer
  • Calorimeter (up to 250 bar, 200 °C)
  • Measurement system for Thermal Conductivity

Infrastructure for numerical simulation

Standard and adapted OpenFOAM® solvers on an institutes own cluster of 36 nodes, if necessary also by means of the High-Performance-Compute-Cluster of the TUHH Computing Center