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Particle Image Velocimetry (PIV) for the visualization of flow fields during rheological tests.

RheoOptics - Particle Imaging Velocimetry PIV

Most rheological theories are based on the assumption that a laminar flow field is present during the measurement. However, in practical applications samples also show a turbulent flow field. The visualization of flow fields is of great importance in hydrodynamics or the investigation of mixing procedures. Particle Image Velocimetry (PIV), sometimes also called Particle Tracking Velocimetry (PTV), simultaneous to rheological tests is therefore a useful tool for investigating complex flow fields such as shear banding, turbulence or flow instabilities.

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Key Features

Technical highlights

  • Particle Image Velocimetry (PIV) / Particle Tracking Velocimetry (PTV) simultaneous to rheological measurements
  • Liquid-temperature-controlled transparent concentric cylinder in different sizes for measurements up to 70 °C
  • Concentric cylinder system mounted on stelts to allow optical access from all sides
  • Electronics for Particle Image Velocimetry (PIV) not included in delivery

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