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4B40.31 - Radiation Cans

4B40.31 - Radiation Cans

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Title4B40.31 - Radiation Cans
Objective

​To demonstrate the effect emmisivity has on the absorbtion of electromagnetic radiation.

StatusAvailable
Assembly Instructions

​Gather Radiation Cans and thermocouples and laptop with software. Fill each "Radiation Can" with equal amounts of water or just leave filled with air. Each thermocouple has a rubber cork with a hole in it to be inserted to which goes ontop of the radiation can. Each thermocouple has a USB connector to be plugged into the laptop. A 500W lightbulb or greater and a variac are set up a fixed distance away from each "radiation can". 

Setup Time10
Operation Time10
Preview Time10
Operation Instructions

​Start recording with the Logger Pro Software with a unique channel for each thermocouple being displayed. Turn on the lightbulb and run the demo until a siginificant difference in temperature is displayed between the radiation cans. approx. 25mins or Less.

ExportableNo
Demo on DimeNo
PIRA 200No
Export Instructions (if different)
HazardsNone
Analysis/Information

​Three aluminum cans each with a different color (black, gray, and white) are used to demonstrate the effect emmisivity has on the absorption of electromagnetic radiation and displayed on a live plot graph.

Category4 Thermodynamics
Subcategory4B - Heat and the First Law
Keywordsemmisivity, radiation, heat, conduction, thermal mass, heat capacity
Construction Information
 
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DemonstrationUse SHIFT+ENTER to open the menu (new window).
  
5C10.10 - Examples of Capacitors
5C10.20 - Effect of a Dielectric and Spacing on a Capacitor
5C10.u1 - Potential voltage rise in a parallel plate capacitor
5C10.u2 - Variable Parallel Plate Capacitor
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
laptop computer
1
light bulb - 500W, 115V, filament
1
light shield
1
variac
1
Radiation Cans
3
Thermocouples - Vernier
3