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[just wondering] Point of having a large res? - Page 2

post #11 of 30
Quote:
Originally Posted by SimpleTech View Post
Lol, no I mean that having a larger reservoirs means you don't have to top it off as much after you removed a w/c part. In my case, I have my CPU block and a couple of GPU blocks connected to a few quick disconnects. If I had to drain that small section and re-attach everything, the amount of liquid removed isn't as significant as say using a smaller reservoir.

*Edit: JE Nightmare got it right. Should have mentioned the QDC earlier. :/
don't see how that makes a difference.
the amount of water you remove outside your reservoir (i assume you mean the amount of water removed from blocks) is the same regardless your size of reservoir.
the amount of water you have to add that you lost from the blocks do not change.
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post #12 of 30
Large or small res does not make a difference in temps once the water/coolant is at full temp.Before the water gets to its max temp a larger res will keep temps lower because it will take more btu's to heat up the larger volume.Any way around it size does not matter.
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post #13 of 30
Add to that the fact that larger reservoirs seem to be a bit less susceptible to vortex formation, and also seem to be very good at bubble removal.
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post #14 of 30
Quote:
Originally Posted by ducrider View Post
Large or small res does not make a difference in temps once the water/coolant is at full temp.Before the water gets to its max temp a larger res will keep temps lower because it will take more btu's to heat up the larger volume.Any way around it size does not matter.
Indeed.

It' s not the size that matters, it's how you use it
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post #15 of 30
Quote:
Originally Posted by airplaneman View Post
Indeed.

It' s not the size that matters, it's how you use it
Size doesn't matter, design definitely does when using powerful pumps.

Edit: Size can be a cheap fix for poor design, or allow better designs inside.
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post #16 of 30
Quote:
Originally Posted by airplaneman View Post
Indeed.

It' s not the size that matters, it's how you use it
Quote:
Originally Posted by allikat View Post
Size doesn't matter, design definitely does when using powerful pumps.

Edit: Size can be a cheap fix for poor design, or allow better designs inside.
this can be interpreted in so many different, wrong ways.
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post #17 of 30
Quote:
Originally Posted by railfan844 View Post
Not that I have a custom loop, but what's the point of having a large res?
Holding capacity... more vol. = less change over period of same time vs a smaller res system.

Quote:
Originally Posted by DaClownie View Post
Watercooling is the perfect blend of purpose and aesthetics.
Ummm yes, but vol, does do something.

Quote:
Originally Posted by Ipwnnubletz View Post
Heat dissipation. More water = more heat dissipation.
umm no that would be only if you had an open res. Most of your heat exchange is done at the rad, and very little is also done at the tubing because the tubing is naturally pourous.

Quote:
Originally Posted by SinX7 View Post
More volume. (Science term lol)
yup.. which means more time b4 overall coolant changes temps.

Quote:
Originally Posted by SimpleTech View Post
Lol, no I mean that having a larger reservoirs means you don't have to top it off as much after you removed a w/c part. In my case, I have my CPU block and a couple of GPU blocks connected to a few quick disconnects. If I had to drain that small section and re-attach everything, the amount of liquid removed isn't as significant as say using a smaller reservoir.
no vol = rate of change in time on temperature of LC. i'll explain it for you guys at the end.

Quote:
Originally Posted by ducrider View Post
Large or small res does not make a difference in temps once the water/coolant is at full temp.Before the water gets to its max temp a larger res will keep temps lower because it will take more btu's to heat up the larger volume.Any way around it size does not matter.
BINGO! ^ this guy gets the prize.



Vol of water has to be looked with flow. (ignoring heat exchanger)
In the average system you have around 1gpm of flow.
1gpm of flow means in thermodynamics... it would take around 300W of heat for it to go up 1C.

Then you have flow at 1gpm with 300W of heat.... that means each minute your coolant went up 1C if you had 1 gallon of coolant.
You can see here, the more coolant u have, the longer time required for it to go up 1C.

So when does this number play any importance?
For gamers on single loop.

They dont load up everything at once all the time. Its burst or random shots in which everything fires up.

That means coolant vol. will act as a buffer keeping the temp stable during these burst sessions.

But u need a large res, for any of this to matter.
If you have a small res, with high flow, you can see, it wont matter, because your coolant will go up 1C immediately.
Edited by NaeKuh - 6/13/11 at 12:48pm
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post #18 of 30
Theres very little difference in size. But of course, it would be for E-peen! lol. If you spend the amount of money on a custom WC'ing loop and cool all the components, why not have a large res? Just draws more attention. Plus with a res like the FrozenQ liquid fusion, who wouldnt want a 250mm or 400mm long res? HAH!

http://www.frozenqpcmods.com/lf.php
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post #19 of 30
bigger looks cooler
post #20 of 30
little to no difference. I think the reservoir acts as a convenience to add (and possibly remove) liquid. Some folks run "T" lines w/ no res. As many have said, most of the time its for looks (ie, FrozenQ Helix fusion res, Koolance bay reservoirs, etc.)
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