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Instruments for visualization of two-phase flows

The wire mesh sensor for the imaging examination of multiphase flows with high spatial and temporal resolution is the main product in the business field of multiphase measurement technology. In addition, we offer products such as the needle probe for measuring the local gas content, the process microscope for analyzing particles and cells – even at temperatures up to 300 degrees Celsius – as well as the clock box for synchronous triggering of different measuring systems in the same basic clock.


Wire-mesh sensors are imaging instruments for the analysis of gas-liquid and liquid-liquid multiphase flows.

Needle Probe

With our needle probes you can in a simple way measure local gas holdup in transient multiphase flows.

Process Microscope

Our process microscope gives you optical access into your process and process fluids.


The Clock-Boxis an electronic unit that provides high-accuracy frame-synchronization of measurement systems, such as wire-mesh sensors, needle probes or high-speed video cameras.

Radiation Detectors for Radiation Fluxes

We offer customer-specific detectors for X-rays or gamma radiation basing on a scintillation-detection principle.


Contact for Requests

Eckhard Schleicher, Experimental Thermal Fluid Dynamics

Phone: +49 351 260 3230



Uwe Pöpping, Innovation Manager Fluid Dynamics

Phone: +49 351 260 2397


Innovative Measurement Technology for Multiphase Flows at HZDR

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The Division Experimental Thermal Fluid Dynamics of the Institute of Fluid Dynamics at HZDR conducts experimental analyses of multiphase flows with heat and mass transfer. We develop own sensors and measurement techniques for process and flow diagnostics with highest spatial and temporal resolution. A focus of our work is on multiphase imaging techniques. Find out more about the Flow Measurment Technology.

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