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Amount of fluid for charging the heat pipe

Last response: in Overclocking
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December 7, 2009 8:22:20 AM

Please tell me someone who know the amount of fluid for charge of heat pipe :bounce: 
a c 86 K Overclocking
December 7, 2009 8:35:51 AM

It's done under vaccum. And usually special liquid. Thats from what I have read.
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a b K Overclocking
December 7, 2009 11:04:19 AM

Welcome to the forums!

A heat pipe is filled, under a vacuum, with a 'fraction of a percent by volume' (well under 1% of the volume) by water, ethanol, acetone, sodium, mercury or some other coolant.
Source: Wiki Heat Pipe Page
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a b K Overclocking
December 7, 2009 6:10:23 PM

The pressure depends on the liquid used.

E.X. If its wat er then you will need to drop the pressure a lot.

If its propane on the other hand, you will need to reaise the pressure til the boiling point is in the positive #'s.
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January 12, 2010 9:51:22 PM

overshocked said:
The pressure depends on the liquid used.

E.X. If its wat er then you will need to drop the pressure a lot.

If its propane on the other hand, you will need to reaise the pressure til the boiling point is in the positive #'s.



HVYMTL
Just a thought , propane may not be a good choice. R-11 although no longer in use today due to its contributing factors in ozone depletion would have made a good choice when used as a refrigerant in a Heat Pipe.

I have provided a link that can let the viewer make their own choice. l
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a c 86 K Overclocking
January 13, 2010 1:52:57 AM

It's charged in a vacuum room, and each manufacturer uses it's own liquid. Unless you have a setup for doing this it's not worth your time.
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!