School of Physics Lecture Demonstration Manual

He-5 Dependence of Viscosity on Temperature

Published: Monday 13 March 2006 - Updated: Monday 28 March 2011

Aim

To demonstrate that the viscosity of a gas increases with temperature.

Apparatus

Diagrams

Click on pictures to enlarge.

Dependence of Viscosity Diagram

Description

The tube is connected to a gas supply and the jets ignited. One arm is then heated and the flame at that end becomes smaller owing to the increased viscosity of the gas.

Safety notes

Fire/Burn Safety 

Maintenance 

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