Ultrasonic Velocity Profiling with Pressure Drop (UVP+PD) is a technique, which allows the measurement of the shear rate dependent viscosity non-invasively in a laminar pipe flow. To assess the performance of different data processing approaches for the extraction of the rheometric values, model fluids are characterized under well defined flow conditions created with a piston setup. Considering the shear rate range available in the pipe flow, a good quantitative agreement is found between the in-line measurements and the off-line measurements made with a rotational rheometer.
In-line rheometry based on ultrasonic velocity profiles: comparison of data processing methods / Beat, Birkhofer; Alban, Debacker; Simone, Russo; Ricci, Stefano; Didier, Lootens. - In: APPLIED RHEOLOGY. - ISSN 1430-6395. - ELETTRONICO. - 22:(2012), pp. 44701-1-44701-9. [10.3933/ApplRheol-22-44701]
In-line rheometry based on ultrasonic velocity profiles: comparison of data processing methods
RICCI, STEFANO;
2012
Abstract
Ultrasonic Velocity Profiling with Pressure Drop (UVP+PD) is a technique, which allows the measurement of the shear rate dependent viscosity non-invasively in a laminar pipe flow. To assess the performance of different data processing approaches for the extraction of the rheometric values, model fluids are characterized under well defined flow conditions created with a piston setup. Considering the shear rate range available in the pipe flow, a good quantitative agreement is found between the in-line measurements and the off-line measurements made with a rotational rheometer.
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