How Temperature Changes Fluid Viscosity

Viscosity describes how much a fluid resists flow and deformation. It comes from internal friction between fluid layers that move past each other. Dynamic viscosity, shown by the Greek letter mu (μ), measures the force needed to move one layer over another.

Newtonian fluids, such as water and air...

Viscosity measures how a fluid resists flowing due to internal friction when layers of the fluid move past each other.

For example, honey flows slowly because it has high viscosity, while water flows easily with low viscosity.

There are two main types of viscosity: dynamic and kinematic. Dynamic viscosity measures the force needed ...