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Old 02-02-2018, 12:44 PM   #1
PopcornMobo
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Default Water cooling a laptop, have you seen it done?

I've found only two examples of people water cooling their laptops but they were pretty sketchy.
I'm actually in the process of water cooling my laptop. I'm doing it not because the laptop runs hot but mainly because i like overkill. The laptop only gets up to 75C full load but i want even lower temps, which is why i decided to make a custom water loop for this laptop.
I'm very curious whether or not there are more examples out there of people DIY water cooling their laptops, maybe some that i've missed (i like comparing my projects to others)
Anyways, i'll attach a pic of my custom water block and if you wish to see more you can go to my blog at brimmingideas.blogspot.com .
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File Type: jpg 20180201_230631_HDR.jpg (905.0 KB, 19 views)
File Type: jpg 20180201_230646_HDR.jpg (1.03 MB, 27 views)

Last edited by PopcornMobo; 02-02-2018 at 12:47 PM..
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Old 02-02-2018, 01:48 PM   #2
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Default Re: Water cooling a laptop, have you seen it done?

I think it's kind of ridiculous of sorts - having water cooling sort of defeats the purpose of a machine meant for portability...
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Old 02-02-2018, 03:06 PM   #3
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Default Re: Water cooling a laptop, have you seen it done?

water does not cool, it moves the heat to a different location where you fit a radiator and fan. (and a pump)

laptops already have that with liquid filled heat-pipes.
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Old 02-02-2018, 04:27 PM   #4
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Default Re: Water cooling a laptop, have you seen it done?

I do wonder about that too, at least the liquid filled heat pipes. Solid ones I get (though the thermal resistance would be quite high, it's still tons better than air), but wouldn't the liquid ones depend on the orientation of the laptop for effectiveness? That would mean it would need to be on stable ground (i.e. desktop machine or server?) to be useful.
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Old 02-02-2018, 05:05 PM   #5
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Default Re: Water cooling a laptop, have you seen it done?

Is water cooling laptops taboo or something? The laptop i'm water cooling i found at the dump and it has no battery so i'm not concerned about the portability of it. For now i have decided to use the laptop as a platform for upgrades and experiments.
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Old 02-02-2018, 05:22 PM   #6
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Default Re: Water cooling a laptop, have you seen it done?

a fan upgrade would be a better start.
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Old 02-02-2018, 05:52 PM   #7
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Default Re: Water cooling a laptop, have you seen it done?

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a fan upgrade would be a better start.
The cooling in that laptop is as good as can be but of course i want to add water cooling just for the kicks.
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Old 02-02-2018, 10:13 PM   #8
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Default Re: Water cooling a laptop, have you seen it done?

A laptop can no longer be called a "laptop" if you have water cooling on it...
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Old 02-03-2018, 01:57 AM   #9
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Default Re: Water cooling a laptop, have you seen it done?

This is cool idea,i use laptop also as not-portable workstation.After processor upgrade i get little more heat and i upgraded it like you see on the photos.Water cooling? Why not!! I like this idea
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File Type: jpg IMG_20180112_181540.jpg (516.8 KB, 19 views)
File Type: jpg IMG_20180112_181527.jpg (304.0 KB, 17 views)
File Type: jpg IMG_20180113_200347.jpg (540.5 KB, 19 views)

Last edited by fester; 02-03-2018 at 01:59 AM..
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Old 02-06-2018, 04:25 PM   #10
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Default Re: Water cooling a laptop, have you seen it done?

Well, i did some quick flow tests and according to my calculations my CPU temp should be less than 30C on water, that's full load on both CPU and GPU, assuming 60W combined heat output. I might have to add some cooling to the VRM as well while i'm at it. I get about 500ml through the block in about 24 seconds. That gives me 0.048 C/W, and for antifreeze i just guessed a ballpark figure of 0.1 C/W.
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Old 02-10-2018, 08:48 AM   #11
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Default Re: Water cooling a laptop, have you seen it done?

Fester 6 more posts and you can join us in the vip room .
As the water is only a heat transfer method ,I might use some thing like R134 A . sealed in a coper tube and a remote fan . It does add weight and complexity to the lap top . On a side note when the air cooled v.w. was common . One race was for water cooled cars only . A guy made a set of v.w. heads with a water jacket just to be able to run in that race .

https://en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

p.s. when I think of water cooling , I think of a swamp cooler or cooling towers .
https://en.wikipedia.org/wiki/Evaporative_cooler
https://en.wikipedia.org/wiki/Cooling_tower

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Old 02-11-2018, 05:30 PM   #12
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Default Re: Water cooling a laptop, have you seen it done?

Getting a flexible tube that can stand the heat and pressure of freshly compressed R134A really means that laptop is no longer a laptop :o However most likely the only way to get below ambient is to use phase change or Peltier...
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Old 02-11-2018, 05:37 PM   #13
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Default Re: Water cooling a laptop, have you seen it done?

could run some cool led lights from peltier module
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Old 02-13-2018, 04:11 AM   #14
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Default Re: Water cooling a laptop, have you seen it done?

not sure why we're talking about sub-zero cooling, all i want is to water cool my laptop. As of now i'm busy making a sensored three phase BLDC water pump, i already have a prototype running with a homemade driver made of discrete components. The pump i used for my tests was just a little brushed motor that was made into a water pump and that is not great since the impeller is shaft-driven and a seal has to be maintained to keep the water from leaking.
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Old 02-14-2018, 03:56 PM   #15
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Default Re: Water cooling a laptop, have you seen it done?

I would think a wind shield wiper cleaner fluid pump would work . You can get the fans that set under a lap top .
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Old 02-15-2018, 02:40 PM   #16
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Default Re: Water cooling a laptop, have you seen it done?

Quote:
Originally Posted by desert-rat View Post
I would think a wind shield wiper cleaner fluid pump would work . You can get the fans that set under a lap top .
That's actually a good idea, i had a few of those somewhere in the garage. One problem with them is that they're noisy and what i want is a quiet setup. The three phase BLDC pump should be easy enough to make and will be pretty much silent because of the angle that i'll be switching the phases.
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Old Yesterday, 11:02 AM   #17
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Default Re: Water cooling a laptop, have you seen it done?

There is some thing known as a thermo. electric cell . You hook power to it , one side gets hot the other side gets cold . There used mostly for small fridges . One could use one with heat sinks on both sides . The hot side vented away and the cold side vented in to the lap top .
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