LaserEye for combined velocity and concentration figures

• non-contact measurement of velocity and concentration distributions across a flow section by means of a laser beam
• high-resolution recording of laminar and turbulent mixing processes and chemical reactions
• designed for liquids
• applicable to gas phase measurement with high laser power
• time and space synchronized flow and concentration measurements – analysing the same fluid element through a single laser excitation
• analysis in high temporal resolution of both mixing and concentration fluctuations
• quality control in vessels as well as in flow lines
• non-invasive technology – fluid flow is not affected by the probe, and the flow channel remains sealed against leakage
• large numbers of measurement positions can be reached automatically through a traversing system moving the probe with fixed focal length to the positions of interest
• device can be adapted for use in potentially explosive atmospheres, as only optical access to flow is required – ATEX compliant
• precise measurement and control of critical processes e.g. mixing, streaking (refraction anomalies), chemical reactions, segregation and phase separation

Innovation level:

• prototype for industrial measurements, which for the first time allows simultaneous determination of velocity and concentration in liquids (and also in gases)
• smart combination of two proven high resolution measuring methods (Laser Doppler velocimetry and Raman spectroscopy)

Target groups:

• manufacturers of laser-optical measuring technology
• food, pharmaceutical, chemical, petroleum industry
• design and manufacturing in chemical engineering
• research institutions in business and science

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Contact

Univ.Prof. Dr. Michael Harasek and Peter Heimerl