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VROC® it!

Download the Webinar Recording: Extensional Viscosity with e-VROC: Theory & Practice 


Extensional viscosity is the resistance of a fluid to extensional flow (flow through a field involving a change in cross-sectional area), which is relevant when measuring any flow field involving a change in cross-sectional area. Therefore, extensional viscosity is a fundamental parameter in many industrial processes.

Extensional deformation and extensional shearing have a significant impact on certain industrial processes, such as fiber spinning, paint rolling, roll coating, inkjet printing, spraying, electrospinning, enhanced oil recovery, drag reduction, and food processing.

In this webinar we review the theory behind our flow channel designed to measure extensional viscosity. We will also discuss practical aspects of testing with the e-VROC® including flow channel selection and the potential onset of secondary flows or turbulence.

This webinar was hosted by our in-house rheology experts,  Dr. Stacey Elliott and Dr. Zachary Imam.

Dr. Elliott obtained her extensive experience and rheological knowledge through her education at Carnegie Mellon University and Princeton as well as her experience at both Alcon and DuPont. 

Dr. Imam obtained his PhD in Biomedical Engineering from The University of Texas at Austin and spent a year post-doctoral continuing development on a bioscience project funded by the Department of Energy’s Basic Energy Science program studying the biophysical properties and functions of microtubules.


Extensional Viscosity (Blood)



Download the Webinar Recording!

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