Lecture Demonstrations Laboratory

The Demonstrations Manual

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Surface Tension
Fluid Statics
Fluid Dynamics: Torricelli's Law; Air Driven Devices; Venturi Tube and Qualitative Verification of Bernouilli's Equation; Toilet paper gun; Airplane Wing in Wind Tunnel; Air Flow Dynamics; Terminal Velocity in Glycerin and Water; Terminal Velocity of Coffee Filters; Laminar and Turbulent Flow; Tornado Vortex; Vortex Cannon

Air Driven Devices

Purpose:

To illustrate the air driven siren and the way in which small turbines driven by air pressure can be rotated to high speeds.

Procedure:

By using the compressed air available at the lecture table, the siren and small turbines may be driven. The turbines are rather small and hard to observe, so are best as after class, hands on toys.

Comments:

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Equipment:

Siren
Small Turbines and Turbine Driver