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Author Topic: how abt this  (Read 7590 times)

Offline FreeEnergy

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« Last Edit: July 28, 2007, 12:58:05 AM by FreeEnergy »

Free Energy | searching for free energy and discussing free energy

how abt this
« on: April 09, 2005, 11:20:50 PM »

Offline andreas_varesi

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Re: how abt this
« Reply #1 on: April 17, 2005, 12:04:32 AM »
Hello FreeEnergy,

it is not necessary to heat the water to keep a Drinking Bird moving. The principle is based on evaporation and capillary effect.

The head is usually coated in a red felt-like material which absorbs water when the bird "drinks". Evaporation of water from the head causes the head to become cooler than the body. Although the head and upper part of the glass tube appear to be "empty", they are actually full of invisible vapour from the methylene chloride. Methylene chloride is good for this because it doesn't take much heat energy to turn it into a vapour (It has a "low latent heat of evaporation"). Because the head is cooler than the body, some of this vapour condenses inside the head, causing the liquid to be sucked up the tube. This makes it tip over more and more until eventually it tilts into the water. The liquid which has moved up towards the head now gurgles back down into the body. This rapidly moves the centre of gravity back to the lower body, and the bird swings back away from the glass. Now the process starts again until there is no more water to keep the bird oscillating.

Regards

Andreas Varesi

Offline FreeEnergy

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Re: how abt this
« Reply #2 on: April 17, 2005, 08:24:22 AM »
« Last Edit: July 28, 2007, 12:58:30 AM by FreeEnergy »

Offline DADINK

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Re: how abt this
« Reply #3 on: July 30, 2005, 12:15:50 PM »
gets me thinking, I've done some research on refidgerants and I think that
methylene chloride deserves some attention maybe

 

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