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post #31 of 42
Not only money but the time of draining system and stuff not to mention a big cucomber in the middle.
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post #32 of 42
Thread Starter 
Quote:
Originally Posted by PachAz View Post

Not only money but the time of draining system and stuff not to mention a big cucomber in the middle.

Well, draining is something I have to do anyways and it wont take that much longer ^.^

A cucumber? Haha, no it will look nice smile.gif
post #33 of 42
Quote:
Originally Posted by wipen View Post

I thought like this and thats why this cylinder has a small tube inside. http://www.aquatuning.se/product_info.php/info/p11299_Alphacool-Cape-Corp-Coolplex-Pro-25-LT.html
I will fill the water up to the tube and therefore it will not stop the waterflow, right? And then there is a small part above the tubing that is not filled with water smile.gif

Most likely no. Unless that volume of air is really small, it will be become a pressure break. The larger the volume, the greater the chance. I do not have time to do the math, but I imagine the volume of air it takes won't be all that much. The interior tube makes zero difference to the governing equations that describe your system.
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post #34 of 42
I don't understand all the resistance to this? With all the air bled out of it the reservoir is no different than a larger tube. As far an increase or decrease in water temps I would bet it would be almost unmeasurable one way or the other. Adding resistance to the loop, no more than the fittings add to connect it. Flow rate will slow down in the res but increase again as it leaves. Will be fine. I have two in my system granted I have two pumps but the second res is basically just for looks. I like the led (frozenq warp res) The primary bay res I originally purchased for the built in visual flow indicator. Is it needed? NO. But he just likes it and I for one believe there will be no problems.
post #35 of 42
Thread Starter 
Quote:
Originally Posted by RDKing2 View Post

I don't understand all the resistance to this? With all the air bled out of it the reservoir is no different than a larger tube. As far an increase or decrease in water temps I would bet it would be almost unmeasurable one way or the other. Adding resistance to the loop, no more than the fittings add to connect it. Flow rate will slow down in the res but increase again as it leaves. Will be fine. I have two in my system granted I have two pumps but the second res is basically just for looks. I like the led (frozenq warp res) The primary bay res I originally purchased for the built in visual flow indicator. Is it needed? NO. But he just likes it and I for one believe there will be no problems.

Someone who acctually understand, thx ^.^
post #36 of 42
Quote:
Originally Posted by RDKing2 View Post

I don't understand all the resistance to this? With all the air bled out of it the reservoir is no different than a larger tube. As far an increase or decrease in water temps I would bet it would be almost unmeasurable one way or the other. Adding resistance to the loop, no more than the fittings add to connect it. Flow rate will slow down in the res but increase again as it leaves. Will be fine. I have two in my system granted I have two pumps but the second res is basically just for looks. I like the led (frozenq warp res) The primary bay res I originally purchased for the built in visual flow indicator. Is it needed? NO. But he just likes it and I for one believe there will be no problems.

I have no problems with him wanting to do it, I am only trying to help him achieve what he wants. There are certain things I wouldn't do and I am telling him so. That is the point of him coming on here and asking about his setup. He wants outside advice. He doesn't have to listen to it. I am not insulting the OP nor anyone else. If I came off rude to you or anyone else, I apologize. I have a bunch of kidney stones and pain pills in me thus my wording may not have been the best apparently.

While his goal is cosmetic, he also stated some desires about no loss of flow rate/performance. I'm only trying to allow him to achieve that. Unfortunately there is no easy way to calculate it since it is sealed with some air chambers, but the rules for an open system still hold some validity if there are sizable amounts of air in his system. I cannot tell him what this amount of air is, as there is no easy way to calculate it. I am only making the OP aware that these rules are not in his favor with his setup how I am interpreting it.

Am I being conservative in my precautions, yes. I'd rather be wrong and have him set up a system that works because of it than to be right, not say anything, and now he has issues. Some posters here have more knowledge than about some things than others. I have taken fluid mechanics and pipe design/analysis. I am only trying to share my knowledge to benefit the OP. Nobody likes buying new toys that do not work out as expected. I am trying to help him get an expected outcome within the realm of my knowledge.

I told him to fill the reservoir if he doesn't want to have issues. You just said he needs to do exactly that as well for it to work, so what's the problem there? We agree. I just gave him my opinion of the easiest layout to bleed.

He also stated he didn't want to lose flow. To me, not wanting to lose flow means exactly that. Going from 1 gpm to 0.8 gpm may not be what he wants. It may make nearly zero effect on temps, but it might. I don't know how his blocks and rad reacts with flow changes. Do you? Most react just fine, others can lose a small amount of performance. He sounds like he doesn't want to lose performance. You agree as well that he will not gain any advantage temperature wise, and again, this is what I said as well. So where is the problem. We are agreeing so far on everything.

You say you believe he will have no problems because you have two reservoirs, you also have two pumps. That is what you need to have zero issues with two reservoirs. He doesn't have that and wants the pump in between them. Why don't you turn off the second pump and let the OP know how it performs. You can do that test in no time at all. For me to give him a valid answer would take a week as it would require building/running a CFD simulation to do the math. Since I do not have that kind of time, I would rather be conservative in my cautions than just letting him wind up wasting his money on something that doesn't work if the conservative answer was the correct one.

So why don't you spend a few minutes with one pump unplugged, you'll give him a much more valid answer than my conservative extrapolations of the energy equation to his system or your guesswork based on your system with two pumps fed by two reservoirs. That is what we are hear for, to help each other out. thumb.gif
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post #37 of 42
Thread Starter 
Quote:
Originally Posted by Deaf Jam View Post

You say you believe he will have no problems because you have two reservoirs, you also have two pumps. That is what you need to have zero issues with two reservoirs. He doesn't have that and wants the pump in between them. Why don't you turn off the second pump and let the OP know how it performs. You can do that test in no time at all. For me to give him a valid answer would take a week as it would require building/running a CFD simulation to do the math. Since I do not have that kind of time, I would rather be conservative in my cautions than just letting him wind up wasting his money on something that doesn't work if the conservative answer was the correct one.

So why don't you spend a few minutes with one pump unplugged, you'll give him a much more valid answer than my conservative extrapolations of the energy equation to his system or your guesswork based on your system with two pumps fed by two reservoirs. That is what we are hear for, to help each other out. thumb.gif

Yeah, I try to listend to everyone and its sometimes hard when everyone says different stuff...
But this sounded like a great idea! Thx!

Would be really nice if you could try it for a minute or two and post the results before I create the loop smile.gif
post #38 of 42
I'm pretty sure your talking to RDKing about this, but since I am having one of those days weeks ...

I only have one reservoir sadly, otherwise that would have been the first thing I would have done as I'm curious as to the actual results myself. I'd rather give someone as valid of information I can.

At worst, it won't work in your original configuration. Nothing will break. If that happens you can set it up how I said previously, and it will work. If you don't like that setup aesthetically, there may be a few other workarounds as well. There is never only one way to do something. At best, it works and I learn that there is a decent amount of cushion for what we run.

Hopefully RDKing post some results for you. If not, best of luck and keep us informed. We're hear if you get stuck. thumb.gif
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post #39 of 42
I do have a little experience with this. Was running one pump and two reservoirs at one time. Did not have any problems at all really. The pump was an aquacomputer aquastream ultra. Bay res, monsta 280, 280 60XT, AC cpu block, titan gpu block and MB vrm cooling. Was at .7-.8 gpm which is pretty common for that pump. I then added the tube res because I liked it. No change in flow. Then I added another GPU and my flow dropped to .5-.6 gpm and I had to crank up my fans to maintain low temps during gaming. Clearly the pump was not up to the task though some say that flow rate is fine. I also wanted a quieter pc. I chose to redo my loop and add a monsta 560 rad in a pedestal. For the sake of redundancy and most likely overkill I decided to use two D5 pumps in the new configuration.

Unplugging one of my pumps will only show that two pumps are stronger than one. I have the loop apart now and will see if I can make the time to bypass the tube res (use coupler in place) and run it on only one pump. The other pump will be left off and just add some restriction like a block. Then drain the loop, reconnect the tube res fill and run again. Should be able to just power my aquaero 6 with the pump to display the flow rate. Have not set up the AQ6 in software yet so I do not know if it will read the sensor correctly.

I still think he will be ok. Unless the OP's pump is pretty much at its limit the very little change in water volume and re-route of thev loop results should be fine. This is my opinion and I may be wrong. Wipen already has the parts. Really the worst thing that will happen is he will have to redo the loop again. A learning experience, which is good. I made some bad decisions in my water cooling attempt as you can see. Thanks for everyone's comments here as they are all useful.
Edited by RDKing2 - 4/9/14 at 8:02pm
post #40 of 42
Thread Starter 
thumb.gif
Quote:
Originally Posted by RDKing2 View Post

I do have a little experience with this. Was running one pump and two reservoirs at one time. Did not have any problems at all really. The pump was an aquacomputer aquastream ultra. Bay res, monsta 280, 280 60XT, AC cpu block, titan gpu block and MB vrm cooling. Was at .7-.8 gpm which is pretty common for that pump. I then added the tube res because I liked it. No change in flow. Then I added another GPU and my flow dropped to .5-.6 gpm and I had to crank up my fans to maintain low temps during gaming. Clearly the pump was not up to the task though some say that flow rate is fine. I also wanted a quieter pc. I chose to redo my loop and add a monsta 560 rad in a pedestal. For the sake of redundancy and most likely overkill I decided to use two D5 pumps in the new configuration.

Unplugging one of my pumps will only show that two pumps are stronger than one. I have the loop apart now and will see if I can make the time to bypass the tube res (use coupler in place) and run it on only one pump. The other pump will be left off and just add some restriction like a block. Then drain the loop, reconnect the tube res fill and run again. Should be able to just power my aquaero 6 with the pump to display the flow rate. Have not set up the AQ6 in software yet so I do not know if it will read the sensor correctly.

I still think he will be ok. Unless the OP's pump is pretty much at its limit the very little change in water volume and re-route of thev loop results should be fine. This is my opinion and I may be wrong. Wipen already has the parts. Really the worst thing that will happen is he will have to redo the loop again. A learning experience, which is good. I made some bad decisions in my water cooling attempt as you can see. Thanks for everyone's comments here as they are all useful.

Okey, I sadly don't have anything to measure the flow rate in the loop except that I know my components have been running extremely cool smile.gif

You don't have to do it if you don't have time, in the worst scenario I have to re-drag. I'm going to setup the new loop @ sunday and then run for the entire day to make sure there is no leakage and that the water flow looks good/the temperatures is cool enough. I could send a picture in here after I've done it, if someone is interested.

Thx for the help so far guys redface.gif
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