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Idea for Reservoir...

SuShI-

n00b
Joined
Apr 28, 2005
Messages
27
Hi this is my first post so please dont yell at me too much for being a noob :confused:

I was thinking about instead of purchasing a $50 reservoir, I could make on by myself. The concept would be having a box made out of copper( copper plates on bottom,sides, front and back). The water would go through on both ends, within the reseivor would be my old AMD64 3200+ HS. The HS would be welded/glued to the bottom of the box. Water will flow through the fins and get slightly more cooled, specially with a copper reservoir. The top will be acrylic.

Tell me what you guys think about it. And if it really does sound stupid, and wouldnt really help even with slightly cooling the water. Then im going to just either make a plastic one or give into and buy pre made ones :p

PM or reply to the post plx. Ty

SuShI-
 
You certainly won't get yelled at for being a noob, at least not by this noob :). Your idea sounds interesting but I'm not sure how effective it would be for the effort. I doubt it will make a large impact on the temp of the coolant. Any one else care to give their two cents?
 
Do you mean that your going to attach the HSF to your CPU and have the little water reservoir welded to the top of the HSF? What way are you going to cool the water down? The water will just get hotter and hotter till it is way to hot. If you already have the copper it *might* work. However there are lots of reservoirs for under $30. I don't see the reservoir idea working, but it might be a nice ghetto cooler though :D
 
ok...I drew a very rought sketch of what it would look like. And it wont get directly on the CPU. It will be either ontop / outside somewhere / at the bas of my case. heres the sketch/

 
Your from Yakima? My father grew up in Ellensberg.

Well your reservoir will work just fine, but consider that the radiator will do a better job of cooling off your loop. Now something you might want to consider is to put a lot of those "prongy" things inside and attach a TEC so that you are pre-cooling the water before it goes into the radiator. It wouldn't be terribly efficient, but it would be fun to do to experiment around with. :)
 
How much resistance would this add? I suppose not much because the water's not moving that much in the res, but I could be wrong.
 
Well it depends on how many "prongy" things you add. ;) But really it would be about zipola IMHO.
 
You won't get any added cooling. Get a Boneville heatercore and cooling the water will no longer be a concern.
 
Well you're just going to transfer the heat to the resovoir, where it'll sit there since the resovoir is just a big box with flat edges. You need more surface area and air flowing through to get the heat away. Remember, you can transfer heat to anything you want from the water, but unless that heat gets transferred into the air away from your water, you're not getting anywhere.

I'd just suggest a T-Line if you don't want to spend money on a resovoir. However if you want the convenience of a resovoir, there are some for around $25-30 (Swiftech comes to mind).
 
Well maybe yes maybe no. Have you ever used a TEC unit to cool H20 down? It does work, btw. Recently I was involved in a little experiment where we ran coiled brass tubing through a ice chest that had a TEC built into it. We filled it with water and let the TEC just keep the H20 cool and ran our loop through the brass tubing. We ran it for a month without any problems. It's off now because we are doing some design changes. But the cooling to the CPU was definitely better as we had nice cooled H20 going directly to the CPU. :D
 
Guys I dont think you know what im tryign to say. The HS in the Reservoir would ADD ON to help cool down the water. Not being the only thing to cool it down. I will have all other elements, Rad, Water block, etc etc.

The purpose of the HS in the reservoir purpose would be to help the water not reach a very high tempature before venturing into the Radiator (for some reason that reminds me the Adventure of lemmingwinks...but anyways..).

I was just thinking instead of letting the water rise in temp as it sits in reservoir, it could do some purpose by not letting it get cooled down all the way. Just to HELP the cooling down process. :)
 
you aren't really hearing what was said earlier sushi. It is easy to transfer heat into the copper resevoir, what you are lacking however is a way to get the heat out of the resevoir. The only thing your setup will do is increase the time it takes for the water to reach its equilibrium temperature (because the resevoir will hold some heat energy itself). Basically a resevoir like that is pointless unless you have fins on the outside, and basically turn the resevoir into a radiator. You are better off just getting a regular resevoir. The function of a resevoir is not to remove heat, it is to aid in filling / bleeding, thats all. The second you try to turn the resevoir into something to aid in removing heat, you are turning it into a radiator...and one that wont perform as well as a normal radiator anyways so it is kind of pointless unless you just want to do it to do it.
 
SuShI- said:
*nods slowly* very well.Ty for the advices!
Did you ignore my post? Your water will not get more than a couple of degrees over ambient with a good heatercore like a Boneville. The extra time you're wasting worrying about the reservoir water getting hot could be better spent on other things.

READ THIS: The temperature of the water in your loop will not vary by more than a couple of degrees MAX at any two points in the loop. The water in my loop ENTERS the radiator cool, with a good radiator and pump the temperature variance is probably more like .5 or 1 degrees.
 
SuShI- said:
*nods slowly* very well.Ty for the advices!
look............heat doesn't just go away, you put it somewhere else. this is one of the laws of thermodynamics. you can't escape it.

adding your "prongy things" to the inside of the res means that more heat will go into the material that the res is made of, more quickly. so, once the heat is there, where does it go? unless you add more "prongy things" to the outside of the res, and move some air past the res with a fan, then the heat goes right back into the coolant. not net loss of performance, but also not net gain.

various people have been trying to tell you this in different ways for a while now, and this post is just another attempt of saying the thing in a different way, but i'm not sure if you're getting it yet.

if you add some peltiers to the res, and a whole lot of "prongy things" on the outside, then you can get a water chiller happening, but woking with pelts is not always the easiest thing. if you decide to try this idea out, then i will try to lend you a hand with it, but for the moment, you should probably just use a rad and a normal res or T line.
 
Wowwa guys. Im wasnt dissagreeing with you. I learned alot more from white guys comment there. Thank you very much for all the help. I wouldnt want to have the fun of putting a water cooling system together on my own. Which is why I posted on this forum to ask questions.

And thewhiteguy, i wasnt ignoring you. I was agreeing with you. ;) The bit about the variance of tempature just opened up my eyes immensly. Thanks.
 
thewhiteguy said:
Did you ignore my post? Your water will not get more than a couple of degrees over ambient with a good heatercore like a Boneville. The extra time you're wasting worrying about the reservoir water getting hot could be better spent on other things.

READ THIS: The temperature of the water in your loop will not vary by more than a couple of degrees MAX at any two points in the loop. The water in my loop ENTERS the radiator cool, with a good radiator and pump the temperature variance is probably more like .5 or 1 degrees.

There is something fundamentally wrong that you are forgetting. The variance in temperature for pretty much ANY watercooling setup will be very small, no matter how good your cooling is. The main thing to worry about, is how high above ambient your avg temperature is. The more cooling capacity you have, the lower that average temperature will be. You could have a system with an average coolant temperature of 55C, and one that is at 35C and both will probably have about the same deltaT throughout the loop.

If he does decide to turn his resevoir into some sort of homebrew radiator, or use TECs like Daishi suggested then he could lower that equilibrium temp.
 
@erasmus354: it was actually top nurse who first brought up the idea of using pelts to make a chiller. i really don't think that peltiers are all that worthwhile at this point, unless you are willing to take them up into the 400+ watt range to get close the vapochill territory.
 
Erasmus354 said:
...The function of a resevoir is not to remove heat, it is to aid in filling / bleeding, thats all...

You forgot the most important reason for the reservoir...LOOKS!!!
 
Looks. Yes indeed. thats kind of what i was going for too. I mean I don think there are that many people who have a copper plated reservoir with an arcylic top with HS inside it....but then again im just a noob :p

But anyways. Ive done some looking into the Aqua-Computer world. And their Aqua-Tube seems to be a pretty decent reservoir (Yes I know there prolly isnt any cooling properties) but I like it. Now just find a T line with a switch on it (those plastic turning switchy majiggies..or what ever you call it lol). I think I'll start up with my WC project soon....Project name.....Project SuShI.

If someone could give me a link to a possible single t line add on to the loop which has a plastic switch (so I can shut it off when the loop is running so the pump doesnt have to push the water up in that tube) that would be awesome! PM or post on this thread plx. :)
 
Dunno how dead this thread is. Jus put in a search for water chiller. Am doing the same sort of setup at the moment. One comment about the idea of putting a HSF in the res in the line of the flow of water. Yes with a tec attached to the outside of the res to cool the HSF, this would work. But not for very long. Most HSF's are made of aluminium. I am presuming that your cpu block is also made of copper. You would suffer corrosion after not very long at all. Im glad i realised this because nooone else seemed to notice it.
 
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