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Globalwin Jefi Watercooling Kit Reviewed
shockNZ writes "[H]ardOCP has reviewed what appears to be a first in PC watercooling - an 'open reservoir evaporative cooling system.' The Globalwin Jefi has a radically different design to most systems on the market. The reservoir is open at the top, and utilizes something akin to a showerhead in order to rain the incoming hot water from the PC down onto a floating heatsink. Perhaps surprisingly, it demonstrated excellent performance and low noise levels - and as a bonus, the reservoir can be used as an aquarium."
Does the temperature of the water go high enuff to poach them??!
See that long UID - that's what you get for lurking too long
Hasn't open reservoir evaporative been done many times before, also called a bong? Granted it probably hasn't been done exactly this way, people have been bong cooling for years - its just a little forgotten.
If you have to ask, you'll never know.
"raining" water into the reservoir makes little noise? Sure, maybe not INSIDE the PC it doesn't...
And if you overclock, you can make tea with it.
Logic, macros, and more
I'm sure I'm not alone when I say that a CPU cooling system that can double as an aquarium is something us serious modders have been waiting for. But how about a mouse pad ant farm? or a monitor that can be a hampster cage?
"and as a bonus, the reservoir can be used as an aquarium" Right ... I'm sure the fish will love the vibrations coming from my computer.
For that matter, I'm sure they'll love being shoved in that little nook between my desk and the wall.
In soviet russia, You ask not what country do for you, but what you do for country!
Oh wait...
What happens when this thing fails? Bye bye computer? I fail to see why people are so interested in liquid cooling or is it just the overclockers who use open loop liquid cooling like this?
not bad for a quieter solution, but you're still better off with the koolance. I've never seen any cooling solution more optimal
Yes, I really want fish crap flowing through my PC.
Ooh.. lots of modding potential.
Too bad performance isn't better for high output, this will dissuade hardcore OC'ers. I wonder if the design will take some root and advance a little, or fizzle out along with all the other weird gimmicks the PC cooling industry has seen over the years.
There is definitely a market, with people expressing themselves through their PCs nearly as much as their choice in clothing and cars these days. The price will decide much of the Jefi's fate, ultimately.
Linux Forum
No no no, every mp3 player isn't an iPod clone, they're iPod killers. Or at least thought to be. I think the editors have a script to automatically add an "Is this finally the iPod killer?" sentence to the end of every mp3 article.
The phenomonon unfortunately seems to be catching on to iTunes Music Store and other music stores too...
The only novel idea in this whole thing is the open tank shower cooler - which also poses the spill hazard. Admittedly the tank looks like a futuristic acrylic ventilated crab and could be considered cool in some sub-cultures - BUT - if you have kids (yeah, some ./ers do!) or pets KEEP THIS system away from your PC. If you think you have problems with your dog drinking outta the toilet bowl now....
See that long UID - that's what you get for lurking too long
It may be a bit too noisy for the silent enthusiast crowd. With the pump producing 22db and the fan doing 20db at the lowest voltage, it is not as silent as the Zalman Reserator. Then again, if you used the Zalman product on an AMD 64, the reservoir would double as a drip coffee maker.
<sig>no sig</sig>
That will give a whole new meaning when someone goes Phising on your computer!
who | grep -i blond | date cd ~; unzip; touch; strip; finger; mount; gasp; yes; uptime; umount; sleep
clicky: Bong Cooling Dude, I'm stoned... So are you! *snicker* Bong is such a wierd word. Boong. Booooonggg. hehehe lol
I think the editors have a script to automatically add an "Is this finally the iPod killer?" sentence to the end of every mp3 article... in Japan!
with open circuit watercooling system is water contamination. Algae seems to be able to grow on little more then the casual dust that enters the water, and the best place to grow is where you dont want it: The nice warm and thin parts of the CPU heatsink.
HI O WISE PRINCE. WHT TOOK U SO DAM LONG?
Blah.. cant people just use standard html?
---- Booth was a patriot ----
Up to now there's been no affective way for home aquariums to host the exotic creatures found near deep-sea volcanic vents - until now!
(Sulfur not included)
And does algae drastically reduce cooling performance?
"Draco dormiens nunquam titillandus."
"This shower head design will be familiar to old school overclockers who know that this idea is much like the old evaporative cooling towers (bong style cooling systems)."
My friends aquarium hose lost contact with the Eheim aquarium pump. 700 L water were emptied in a matter of two hours. He lived in a rented apartment above an old lady whose roof and walls went soaking wet. However, his own newly laid wooden floor was all intact.
Sens moral: Before you get a Jefi, get a new wooden floor.
Why did they not use pressure water like system?
It would have been able to handle the heat of overclocking and woudl not need much changes..
they system they had is what predated the pressued coolant/water radaiators incars..
instead of using un environment friendly glycol you could use a freon subsititue..
Don't Tread on OpenSource
.. for "cases and cooling". God knows I'm sick to death of seeing Yet Another Case Mod and Yet Another Cooling System.
I've finally had it: until slashdot gets article moderation, I am not coming back.
I don't think this guy has ever really owned an aquarium. There's no way you could have it do double-duty like that, and I can sum up the problem in one word: algae.
For your security, this post has been encrypted with ROT-13, twice.
1. install Jefi
2. fill with ice like reccomended
3. watch the pc overheat and burn out
--Oh your 'sposed to put ice AND water in it--
(seriously though just filling with ice wont help as it might be cooler and might cyrogenically freeze your fish but you cant get ice cubes down the pipe and your pc might overheat in the time it takes for enough melting)
If you have nothing useful to say post as AC.
People are saying that algae would screw up this system.
My first reaction was to add something to the water to kill the algae - like alcohol - but the alcohol would be added expense and likely evaporate off more readily (and therefore more costly).
And then that wouldn't go well with fish.
But what if you setup a closed system so that the intake is in the fluid pool - same way it is now. And then instead of an open air system, you just put a top on it (ideally a cooled top, but room temp would likely be enough).
Then put in a fluid that would want to boil off easily (with the heat of the CPU) and then condense up top - sounds a lot like a still - so alcohol?
Haven't thought too much about it, but seems like a cheaper system since you aren't losing product and it just recycles.
There are some odd things afoot now, in the Villa Straylight.
I don't understand. What does it mean?
Infuriate left and right
The tap water here in Tempe, Arizona, is quite hard. If you don't dry the dishes, you'll get lots of spots on them. (Never bothers me, but some....)
Combine that with the very low humidity here and this kind of evaporative system and it wouldn't be long before, instead of tubing, you had solid bars of mineral salts covered in rubber.
Of course, you could buy de-ionized water, but, for me at least, that'd get old pretty quick.
Cheers,
b&
All but God can prove this sentence true.
They'll fry because the water will boil off...
Boiled fish, anyone?
Disclaimer: MEAT IS MURDER.
That isn't H2O, it is Flurinert, and it is rather expensive.
n ?m mmmmmWUeyAmGQnm_QnmmmTIlYhOjxyX-
http://multimedia.mmm.com/mws/mediawebserver.dy
I wanted to do something like this about a year ago, but I was concerned that the temperature would sear the fish so I just ended up getting this:
http://www.thinkgeek.com/pcmods/cases/6151/
It's worked out pretty well. One of the fish lost an eyeball, but otherwise I've had satisfactory performance. You can't tell very well from their demo picture but the tails move and they do look fairly realistic. Some folks have actually thought they were real! And better yet, I don't have to worry about rolly poley fish heads or excriment either.
-TLAY
It even came with it's own glass waterfall thingy to keep the board happy.
No neon, no overclocking, no extra slots you don't need. Just little machines the work.
Seriously dude, if you need something like this to hog up the space that hasn't already been taken over by your huge ass tower, then you may need to re-examine your hobby. There is a fine line between something that is cool and something that is just plain ridiculous.
...if I'm getting a watercooled PC, I want a standardized, closed-circuit system with properly distilled water. Too many ways to FUBAR compared to fan cooling otherwise.
Then again, I don't think I'll ever get a system "extreme" enough to require water cooling. If I do, I'll rather put it as far away as I can in a closet/wind tunnel for cooling.
Kjella
Live today, because you never know what tomorrow brings
Is it just me, or does anyone else out there think that an open container of water on your PC is a bad idea? I generally work with a cup of coffee or glass of Coke next to the keyboard, but that's a little different than having a fishbowl's worth of water sitting on top of my PC. Of course, I have really clumsy friends too...
I planned on inserting something witty here but never got around to it.
I can imagine being woken up at 2 AM for an emergency outage because someone forgot to water the server.
There is nothing wrong with being gay. It's getting caught where the trouble lies.
This marketing meme rivals the stupid ones posted on slashdot.
Laws are for people with no friends.
shockNZ writes "[H]ardOCP has reviewed what appears to be a first in PC watercooling - an 'open reservoir evaporative cooling system.
Its been done before.
Fish Tank Water Cooler
It's nice that this comes in a kit but it's usually cheaper to build it yourself. I didn't see the price of the kit in the article but I bet you could do a lot better than that cheesy looking fish tank for less money. I guess the radiator thingy sets this apart from the project that I linked to but I don't understand how agitating the water helps disperse heat. It seems like you would be better off with more coolant and a powerful pump.
To a silent pc purist, water pumps are BAD. I am more interested in a geo-thermal (ground-based) system, or truly passive, convective water cooling, or maybe some kind of passive water cooling that plugs directly into cold water pipes so that it works as a kind of pre-heater so that the water heater in the house doesn't need to do as much work.
This is a cool idea though, if you can manage do find or build a quiet enough pump.
Quite an experience to live in fear, isn't it? That's what it is to be a slave.
you could place the cooling tank anywhere, just need extra lengths of tubing.
really what this is is very similar to the way chilled water air conditioning systems work in large office buildings, or building campuses. They have very large cooling towers that 'rain' water down, cooling it. This is then pumped out to individual building a/c units. Though expensive to install, its very energy efficient.
-
...And God knows I'm getting sick of reading the comments of ignorant geeks who don't understand why people do this.
I recently did a (minor) case modification when I installed two new Athlon MP 2800 CPUs into my main PC - I cut a hole in the left case panel directly over the dual CPUs and MB chipset, and installed a 120mm Vantec fan that blows right over the hot chips. I also removed the existing case grills for the top and rear fans and replaced them with thin wire grills to improve airflow.
I didn't do this for fun; I did it to make my computer more quiet (because I sit next to it 12+ hours a day doing 3D graphics), and to ensure that the damn thing doesn't spontaneously shut down because of heat buildup (which it did, BEFORE the modification.)
Consequently, I'm getting REALLY tired of Slashdot posting stories about cool PC hardware modifications or enhancements, and the usual geeks come out of the woodwork and bleat out, "This is stupid! What's the point of all this dumb hardware tweaking?"
Jesus Christ, some of you people go into near-religious fucking ecstacy if someone reports that he's compiled Linux to work on his goddamn electronic espresso maker - yet you criticize the same tinkerer mentality when people either dress up their PCs with case mods, or improve their hardware performance through other means?
"Oh, look -- Linus Torvalds just had a bowel movement! Ohmighod, I'd better go to 25 different Linux pages and newsgroups to see what this means! Honk tweet gibber flap razz poot!"
This would go perfectly with the Aquarium case mod reported here on slashdot a while ago. Then it's all in one box!
I hate it when I make a joke and I get modded "+5 insightful". Mod the stupid comments "funny", not "insightful", pleas
'Nuff said.
Richard Steven Hack - This sig is TOO GODDAMN SHORT TO DO ANYTHING USEFUL WITH! MORONS!
I agree with you that this isn't silent, but I would be much more interested in this because it sounds pleasant. I would much rather listen to something like a fountain or rain then the constant droning of computer fans.
It's good...in Japan! And everywhere else too. It's just plain good.
Pressurised cooling systems are for heat engines running at a high temperature which would quickly evaporate an open water system. The whole idea is to keep the processor down in the 30s C. And freons aren't too good - they lack the thermal capacity and the transfer efficiency of ordinary water which just happens to be a superb liquid cooling medium.
Panurge has posted for the last time. Thanks for the positive moderations.
For anyone who may have a water bed (me included) i have considered using it as a cooler. My initial thought was to do something similar to what is done in this water cooler except closed and relying on the surface area of the bed to put off the heat (also will keep bed alightly warm in winter... no more need for a heater) the only problem i could think of is if someone jumpped on and the presure popped something in my computer (that would suck)
recently someone suggested running tubes under the bed(touching the mattress its self) to act like a radiator in direct contact with the mattress (works well for my laptop). Any one else ever tried a waterbed water cooler for a pc (as random and bizare as it is)?
The problem with that approach is that oil isn't nearly as efficient at wicking away heat from the processor, nor able to cool down as easily as water. It's a fantastic lubricant, which is why it is in your car's engine, but notice it doesn't live in the radiator for precisely these reasons.
Ummm... unless you're changing the water in this thing constantly, that water is going to get really skanky really quickly. Plus, if you put ordinary tap water in there, it'll have deposits and whatnot that you probably don't want to be piping around your computer. Ugh! And heven help you if you put that reservoir near sunlight.
"Look, that cloud over that cooling tower. I didn't know they were building a nuke here!"
"That's not a nuclear power plant, that's the university's Beowulf cluster cooling tower."
"Sure looks like a Nuke!"
as a bonus, the reservoir can be used as an aquarium.
Just what I needed, fish shit circulating over my Athlon. No thanks.
I'd rather be a conservative nutjob than a liberal with no nuts and no job.
Finally some pc-hardware that works well with feng shui!
How about no animations? Or at the least give those of us that wont install flash something to look at too?
---- Booth was a patriot ----
I saw no mention of how mcuh water evaporates from this thing in a day, but my gut feel says it's gonna be a bunch (>1gal/day). Anyone know any exact evaporation figures?
Welcome to the net of 1000 lies. Upgrades are scheduled soon that should bring us to the 10,000 lies mark.
Windows: remember to top off the computer daily, say, with every OS patch.
Linux: um.. er.. well,, just remember to top off the thing daily, OK?
Welcome to the net of 1000 lies. Upgrades are scheduled soon that should bring us to the 10,000 lies mark.
Basically, water is pumped and allowed to run over the heat-exchanger radiator, through which a "brine" is circulated (typically water with anti-freeze or similar to prevent corrosion and increase "wetness"). This brine is circulated through pipes and lines to the various heat-exchanger radiators in the duct system in the building. Air is force-circulated through these, the brine picks up the heat and circulates the heat back to the large heat-exchanger/waterfall unit, which transfers the heat and evaporates the water, cooling the brine, which is circulated back to the rest of the system.
All the benefits of swamp cooling (the cooling part), without the "muggy" feeling on days with high-humidity (though as with a swamp cooler, efficiency still drops on those humid days)...
Reason is the Path to God - Anon