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Metal tubing - Page 4

post #31 of 46
Quote:
Originally Posted by wsjackson5 View Post

This all gives me an idea for metal tubing:
What? You want to put fins on the tubes to help cooling? That might certainly help cooling your water. This is basically turning your tubes into radiators. But many guys will just consider this too ugly to have all around the inside of their rigs.
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post #32 of 46
Yeah that's pretty much the idea. If planned right, this could look really cool (punny). think steampunk, or like 50s toy rayguns. and might even be an easy way to do passive cooling (other than pump).
    
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post #33 of 46
Thread Starter 
This I want to see when you finish it.
post #34 of 46
This whole thread is weird. It doesnt matter where the heat is being transferred, either by the tubes or the radiator, the heat will still make the room hot unless you find a way to vent the heat to the outside. Just dumping the BTUs back into the room to be recirculated into the air solves nothing. Cool the room and vent the heat from the rads outside the room. Dont put the radiators outside, but in a window to pull the cool air of the room through it and vent it outside. If you are looking to insulate the tubing, try wrapping them in foam pipe insulation. Putting them in copper pipe will do nothing but make them look better. Once the copper is saturated with heat, it will be just as hot as the tube inside it.
post #35 of 46
Back in the late 70's we used the disc method pictured in Pepe's post to cool our shock absorbers in off-road vehicle use.Once you grabbed the shocks outside housing(it only took one time) you were well informed about the amount of heat being generated by the up and down movement of the shock piston.Installing the discs really extended the time before the shock (mainly Bilsteins) started leaking.
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post #36 of 46
Thread Starter 
Quote:
Originally Posted by ericld View Post

This whole thread is weird. It doesnt matter where the heat is being transferred, either by the tubes or the radiator, the heat will still make the room hot unless you find a way to vent the heat to the outside. Just dumping the BTUs back into the room to be recirculated into the air solves nothing. Cool the room and vent the heat from the rads outside the room. Dont put the radiators outside, but in a window to pull the cool air of the room through it and vent it outside. If you are looking to insulate the tubing, try wrapping them in foam pipe insulation. Putting them in copper pipe will do nothing but make them look better. Once the copper is saturated with heat, it will be just as hot as the tube inside it.

That's basically saying that there is no need for a heatsink between a CPU and a fan, or a heatsink on a north-bridge... Just like a alu case is cooler than a plastic case, this is the same concept.
Quote:
Once the copper is saturated with heat, it will be just as hot as the tube inside it.

Copper have a cooling ability, ambient air don't. So anything that copper will absorbe it will cool it down, because of its ability, then if it gets hot it will, but still the heat that is within the copper cools down more than ambient air would.
Edited by nicoliani - 2/17/13 at 11:58am
post #37 of 46
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post #38 of 46
You need a better understanding of thermal dynamics. Its not the copper pipe that cools, it is only the heat transfer medium (heat exchanger). Its the surrounding ambient air's ability to absorb and remove the BTUs from the heat exchanger that cools, and the warmer the air, the less BTUs it can remove from the heat exchanger. Plus, you have kinda gone around in circles trying to explain what you want to do. I understand your room is hot, and the inside of the case is hot. So, what you need to do is efficiently put cool air into your case (positive air pressure) and create an optimal situation to transfer heat from the heat exchanger (radiator) without saturating the room with that heat. The best way to do that is to put your radiator in a window so it pulls the cool air from the room through it and vents it outside. To keep the cooling tubes from transferring heat into the room you need to insulate them with a non (heat)conductive material. Copper is very heat conductive. Why a copper pipe does not help to transfer much BTUs has to do with the surface area of copper to air, to remove the BTUs. Thats why someone suggested putting cooling fins on the copper tubing to increase heat transfer. But that heat will just be dumped back into your room.
You could make a case out of cardboard and it will cool just as well as an aluminum case because it is not the case that cools, but the efficiency of air flow through the case that cools.

You could use something like the ducting mentioned above to vent the hot air from the radiator outside.
Edited by ericld - 2/17/13 at 1:46pm
post #39 of 46
I've been eying that ductwork for a bit now. wink.gif

I'd almost rather have some that is less crinkly/metallic and then paint it white with a UV paint over that for glow effect. I want to attach it directly to the CPU fan though, so a 120mm or 92mm fan would be ideal. Smooth rubber would be ok as long as it's really soft and can flex, but I don't want it to sag/hang in the case either. Almost need a way to detach it from my windowed side panel before I remove the panel. Hmm, maybe I'll have to invent this. tongue.gif
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post #40 of 46
Thread Starter 

Sv: Metal tubing


That thermal hood, will it be good to connect it to two fans cooling a 2x radiator?
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