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[TT] Captherm Systems unveils MP1120 multi-phase cooling (made with 500lbs. of explosives... ) - Page 12

post #111 of 287
Still waiting to hear more about Captherm MP1120

Original comparison is H80, not H80i. The difference is only 3.4c for H100 to H80
http://www.anandtech.com/show/5054/corsair-hydro-series-h60-h80-and-h100-reviewed/5

H100i is only 2c at most cooler than H80i, not 13c
http://vr-zone.com/articles/corsair-hydro-h80i-h100i-cpu-liquid-coolers-review/51711.html/6

They are also 50dBA
post #112 of 287
Still no news on this?........its not a new concept and has been done before though

http://www.frostytech.com/articleview.cfm?articleid=2576&page=1
post #113 of 287
Akasa Revo AK-925 uses R134a for coolant with rather uninspiring cooling. Have not found out what Captherm MP1120.coolant is, but it cooling ability is right up there with the top coolers.
post #114 of 287
Yes I hope that the MP1120 produces good results.....I must admit to having doubts though....I mean there is not a great deal of difference between this type of thermosyphon cooling and normal heat pipes and vapour chambers...they both rely on an evaporation/condensation cycle....in fact heat pipes potentially are more efficient as they generally use water as the working fluid which has a heat of vaporisation some 10x greater than most refrigerants....even if they have used alcohol in the MP1120, then methanol has only half the heat of vaporisation of water, so I don't hold out much hope of this being a "killer" cooler particularly when you look at the results from the similar Akasa.....my interest in the product is solely that it may be used in a sub zero environment as its working fluid has a much lower freezing point.....but that is quite a niche interest.
post #115 of 287
If I had to guess at what the coolant is I would say some sort of refrigerant. I think what gives the MP1120 it's better cooling ability is the base's ability to draw heat away form CPU along with the coolant ability to absorb / release more heat when it changes phases than normal coolant.
post #116 of 287
the hardest part to me would be to make the fluid flow fast enough to the radiator without a pump.
they may use some smart piping channel to force the fluid to flow on one direction, else the heat would accumulate on the bottom even with the phase changing helping.
the bubbles will also force the fluid to flow to go up so cooler orientation may be critical.

its going to be fun to see reviews of the cooler
post #117 of 287
This concept is not new. Many camper fridges use a liquid/gas exchanger that is powered by heat... like propane. wink.gif
post #118 of 287
The coolant doesn't flow at all....it just boils and the bubbles rise through the liquid into the radiator where the gas is re condensed.....the liquid and vapour are in a state of equilibrium because the system is sealed.....the pressure in the system and consequently the boiling point of the liquid vary dependant on the temperature of the unit in such a way that the liquid will be constantly right on the point of boiling so that any heat input will cause the liquid to boil.
post #119 of 287
Indeed.
The phase change from liquid to gas absorbs heat from CPU and than when ti changes back it releases the heat into radiator.
Add a better heatsink on CPU and we have a better cooler. thumb.gif
post #120 of 287
I see, it would act as a gigantic vapor chamber, the heat transfer could be better then pipes, waiting for reviews
the is something similar already made with good results The Vapochill Micro
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Overclock.net › Forums › Industry News › Hardware News › [TT] Captherm Systems unveils MP1120 multi-phase cooling (made with 500lbs. of explosives... )