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| ||<30% style="text-align:center">[[PiraScheme#Thermodynamics|Table of Thermodynamics Demonstration]] ||<30% style="text-align:center">[[TDEquipmentList|Thermodynamics Equipment List]] ||<30% style="text-align:center">[[Demonstrations|Lecture Demonstrations]] || |
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'''Topic and Concept:''' Thermal Properties of Matter, [[ThermalProperties#SolidExpansion|4A30. Solid Expansion]] |
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| '''Description:''' | '''Abstract:''' |
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| '''Setup:''' | '''''Important Setup Notes:''''' |
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| Note: Make sure that one of the red & white gas cart are in placed and the gas hose is connected to the utility trench gas line. The gas cylinder that supplies the gas to utility trench gas line may or may not be connected/installed and should be inspected. | * This demonstration requires a supply of methane gas usually provided by the [[RedWhiteGasCart|red and white gas carts]] found in rooms 2103, 2241, (and 2223 upon request). '''Setup and Procedure:''' |
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| 1. Beware of the burner and the liquid nitrogen. | * Beware of the burner and the liquid nitrogen. |
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| '''Demonstration:''' | '''Discussion:''' |
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| 1. [[http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/bimetal.html|Hyperphysics]] [[ThermalProperties|Thermal Properties of Matter]] [[Demonstrations]] |
* [[http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/bimetal.html|Hyperphysics - Bimetalic Strip]] |
Bimetallic Strip, 4A30.10a
Topic and Concept:
Thermal Properties of Matter, 4A30. Solid Expansion
Location:
Cabinet: Thermodynamics Cabinet
Bay: (A3)
Shelf: #1
Abstract:
Insert description of apparatus, its component, what it is demonstrating.
Equipment |
Location |
ID Number |
|
|
|
Bimetallic Strip |
|
|
Burner |
location |
NA |
Liquid nitrogen |
location |
NA |
Safety grove and glasses |
location |
NA |
Important Setup Notes:
This demonstration requires a supply of methane gas usually provided by the red and white gas carts found in rooms 2103, 2241, (and 2223 upon request).
Setup and Procedure:
- Make sure that you have all apparatuses in the table above.
Cautions, Warnings, or Safety Concerns:
- Beware of the burner and the liquid nitrogen.
Discussion:
The bimetallic strip consists of brass and stainless steel. Since brass has higher thermal expansion coefficient than stainless steel. When it is heated by the burner, it bends to the stainless steel side. On the other hand, placed it in liquid nitrogen (77K) the strip bends in opposite which is to the brass side.
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References: