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In-line Rheometry (UVP+PD)

Ultrasound Velocity Profiling (UVP) can be combined with simultanous Pressure Difference (PD) measurements over a fixed length of a pipe. This novel method for in-line rheometry, commonly known as UVP+PD, has been developed and optimised by our research team over a period of 20 years.

The method is a multi-point version of the traditional single point tube viscometer concept. It allows real-time measurements of radial velocity profiles, volume flow rate as well as acoustic and complex rheological properties directly in-line while under true dynamic process conditions. It has advantages over commercially available process viscometers and and off-line rheometers instruments in being non-invasive, applicable to opaque and concentrated suspensions, having small sensors dimensions and suitable for Industry 4.0.

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Johan Wiklund