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⇤ ← Revision 1 as of 2009-09-16 16:17:27 →
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← Revision 2 as of 2009-09-16 16:25:36 → ⇥
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Editor: srnarf
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Deletions are marked like this. Additions are marked like this.
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= Tippy Sprott, PIRA# =
= Tippy Sprott, 4C31.30b =
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 * '''Bay:''' (A? or B?)
 * '''Shelf:''' #1,2,3.. (Use "T" for items that are on top of that cabinet bay)		  * '''Bay:''' (A2)
 * '''Shelf:''' #5
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(attachment photo showing the fully set up demonstration) attachment:4C31-30_02i-400.jpg
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Insert description of apparatus, its component, what it is demonstrating. 		Also called Dippy Bird or Tippy Bird.
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|| || || ||
||Tippy Sprott||ME, Bay B1, Shelf #2|| ||
||Spot light||ME, Bay B1, Shelf #2|| ||		 ||Drinking Bird||[:ThermoCabinetBayA2: TD, Bay A2, Shelf #5]||<:> 4C31.30||
||150 ml. beaker||Shelf over the sink area 2237||<:> NA ||
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 1. Make a Setup check list.
 1. ...		  1. Make sure that the drinking bird is assembled. If not do the following.
  - Insert the Pivot into the openings at the top of the two legs as per the photo above and make the bird move to and fro freely.
 1. Fill a 150 ml. beaker with cold water.
 1. Put the head into the water and make it get wet completely and place the bird near the beaker, then the bird begin drinking water herself. (The more the head wet the fast the bird drinking the water.)
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 1. List any Warnings....
 1. Demonstration may require practice.
  1. Do not break the tube( bird body). The red liquid ([http://en.wikipedia.org/wiki/Dichloromethane#Toxicity dichloromethane or methylene chloride]) is an acute inhalation hazard and can cause optic neuropathy and hepatitis.
 1. Be sure to keep the bird's body dry, otherwise the bird will stop to drink.
 1. Be sure keep the bird's in the place where the air ventilating regularly.
 1. If the bird's sways backward adjust the metal part straight or haend a little bit forward.
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Insert description of demonstration, how is the demonstration preformed. Put water on the head of bird. When water evaporates, it makes the temperature of the glass head lower. This makes some of the red liquid (dichloromethane or methylene chloride) vapor to condense. From ideal gas law, the pressure in the head of the bird drop due to the lower temperature and condensation.The difference of the pressure between the head and base of the bird causes the red liquid to be pushed up from the base. Then the head of the bird become heavy and tips over. While the bird tips over, it makes air hole that can make red liquid flows back to the bottom bulb and this makes bird go back to its vertical position again. And this will occur periodically until the water on the head of bird dry.
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||attachment other photos||attachment other photos||
||attachment other photos||attachment other photos||
||<style="border:0"> attachment:4C31-30_03i.jpg ||<style="border:0" |2> ||<style="border:0" |2> attachment:DrinkingBird-01.gif||<style="border:0" |2> ||<style="border:0" |2> Move: attachment:DrnkingBird.mpg ||
||<style="border:0"> attachment:4C31-30_04i.jpg||

attachment:DrnkingBird.mpg
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 1. List any references

[Insert a back link to main topic list] 		 1. [http://en.wikipedia.org/wiki/Drinking_bird Wikipedia]
 
[:Thermodynamics:Thermodynamics]

Tippy Sprott, 4C31.30b

Location:

  • Cabinet: Thermodynamics Cabinet

  • Bay: (A2)

  • Shelf: #5

attachment:4C31-30_02i-400.jpg

Description: Also called Dippy Bird or Tippy Bird.

Equipment

Location

ID Number

Drinking Bird

[:ThermoCabinetBayA2: TD, Bay A2, Shelf #5]

4C31.30

150 ml. beaker

Shelf over the sink area 2237

NA

Setup:

  1. Make sure that the drinking bird is assembled. If not do the following.
    • - Insert the Pivot into the openings at the top of the two legs as per the photo above and make the bird move to and fro freely.
  2. Fill a 150 ml. beaker with cold water.
  3. Put the head into the water and make it get wet completely and place the bird near the beaker, then the bird begin drinking water herself. (The more the head wet the fast the bird drinking the water.)

Cautions, Warnings, or Safety Concerns:

  1. Do not break the tube( bird body). The red liquid ([http://en.wikipedia.org/wiki/Dichloromethane#Toxicity dichloromethane or methylene chloride]) is an acute inhalation hazard and can cause optic neuropathy and hepatitis.

  2. Be sure to keep the bird's body dry, otherwise the bird will stop to drink.
  3. Be sure keep the bird's in the place where the air ventilating regularly.
  4. If the bird's sways backward adjust the metal part straight or haend a little bit forward.

Demonstration:

Put water on the head of bird. When water evaporates, it makes the temperature of the glass head lower. This makes some of the red liquid (dichloromethane or methylene chloride) vapor to condense. From ideal gas law, the pressure in the head of the bird drop due to the lower temperature and condensation.The difference of the pressure between the head and base of the bird causes the red liquid to be pushed up from the base. Then the head of the bird become heavy and tips over. While the bird tips over, it makes air hole that can make red liquid flows back to the bottom bulb and this makes bird go back to its vertical position again. And this will occur periodically until the water on the head of bird dry.

attachment:4C31-30_03i.jpg

attachment:DrinkingBird-01.gif

Move: attachment:DrnkingBird.mpg

attachment:4C31-30_04i.jpg

attachment:DrnkingBird.mpg

References:

  1. [http://en.wikipedia.org/wiki/Drinking_bird Wikipedia]

[:Thermodynamics:Thermodynamics]

[:Demonstrations:Demonstrations]

[:Instructional:Home]

fw: TippySprott (last edited 2013-07-12 18:18:08 by localhost)