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[:PiraScheme#FluidMechanics: Table of Fluid Mechanics Demonstration] |
List of Fluid Mechanics Equipment & Supplies |
[:Demonstrations:Lecture Demonstrations] |
Terminal Velocity With Water, Glycerin, & Marbles, 2C30.50 and 1C10.51
Location:
Cabinet: [:FluidMechanicsCabinet:Fluid Mechanics (FM)]
Bay: [:FluidMCabinetBayA5:A5]
Shelf:1
attachment:GlycerinViscosity-01-400.jpg
Description:
Two identical marbles are dropped simultaneously into separate graduated cylinders, one filled with glycerine and the other with water. The marble dropped in glycerine will quickly reach terminal velocity, obtaining a slow and constant velocity that can be measured.
Equipment |
Location |
ID Number |
|
|
|
Graduated cylinder filled with water |
FM, Bay A5, Shelf #1 |
|
Graduated cylinder filled with glycerin |
FM, Bay A5, Shelf #1 |
|
Marbles |
FM, Bay A5, Shelf #1 |
|
Important Setup Notes:
Don't spill the glycerin - it's difficult to clean up.
Setup:
- Fill non-glycerin cylinder with water so that fluid height levels in each cylinder match.
- Place cylinders on table side-by-side.
- Have marbles ready to be dropped.
Demonstration:
Grab two marbles of identical size and weight. Hold one marble in each hand above each cylinder. From the same height, drop each marble at the same time, and observe the velocity differences.
References:
http://en.wikipedia.org/wiki/Glycerol
http://en.wikipedia.org/wiki/Terminal_velocity
http://en.wikipedia.org/wiki/Viscosity
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