Viscosity and Beyond

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Overview

Measuring viscosity is a tried and true technique for characterizing fluids. But frequently viscosity measurements are not made correctly and accordingly do not provide reliable or meaningful information.

Viscosity is a parameter used to describe the flow properties of fluids. Measurement takes place by applying a force to the fluid and measuring the resulting flow. So, if a sample does not flow, viscosity is not the best parameter to describe its physical properties.

Key Learning Objectives

Learn how to measure the viscosity of complex fluids
Understand how a rheometer can be used to characterize new materials
Better appreciate the viscoelastic balance in materials like toothpaste and paint