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[youtube] Submerged computer in 3M non-conductive chemical - Page 6

post #51 of 133
Quote:
Originally Posted by goodtobeking;12309057 
Amazing. I would love to see a 980x at 4Ghz with a SA on it. I bet that would create a crazy amount of bubbles.

EDIT: so this is limited by the TEC?? How much power does a TEC consumer and how much heat dissipation/transfer??

TECs aren't known for being particularly efficient, but without one you'd end up with a box full of highly pressurized gas and a smoking processor.

I can't comment on how powerful this TEC(s) is, but it probably consumes a couple hundred watts of electricity (itself) to provide significantly less heat removal.

I.E. If the processor and other submerged components consume 150 watts of power, the TEC will draw that much and more in order to condense the gas back to liquid.
    
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post #52 of 133
Quote:
Originally Posted by RonindeBeatrice View Post
Guys, the coolant has very little to do with the actual cooling of the processor; it's effectively acting like a heatsink, or a loop. The heat removal is still being performed by that TEC they have running at the top.

A TEC is hardly passive.
Oh, that's pretty crappy then, I though this stuff would condense with just a fan. Yeah this is pretty average stuff then, still kind of looks cool, and I guess it's nice you can cool your whole rig with just one cooler.


Quote:
Originally Posted by AMD_Brewer View Post
Hybrids don't save most people money even on the long run. If you really are concerned about economy check out Project Sipster from top gear. 84MPG for less than 7k USD.
Obviously it depends how long you drive them...
post #53 of 133
Quote:
Originally Posted by B-80 View Post
Oh, that's pretty crappy then, I though this stuff would condense with just a fan. Yeah this is pretty average stuff then, still kind of looks cool, and I guess it's nice you can cool your whole rig with just one cooler.

Obviously it depends how long you drive them...
No, the batteries will eventually die, and unless Honda/Toyota replace them for free you will not save money over a traditional car (provided you can spend several thousands less on a comparable traditional car).

The math isn't too difficult, but you'd have to drive a hybrid (on the original, or free replacement batteries at the same average MPG) ~ 300,000 miles before you paid off that initial premium because it was a hybrid.

Assuming a 2011 Honda Civic, available as hybrid and ICE (internal combustion engine):

Hybrid
41 MPG @ $3/gallon = $.073/mile
initial cost = $23,950

ICE
29 MPG @ $3/gallon = $.103/mile
initial cost = $15,805

Price premium for hybrid = $8145
Difference in $/mi = .03 (three bloody pennies)
Mileage you will recoup your $8145 = 8145/.03 = 271,500 miles...
that's before you can start saving, nevermind if there are higher maintenance costs associated with the hybrid.
    
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post #54 of 133
Quote:
Originally Posted by RonindeBeatrice View Post
No, the batteries will eventually die, and unless Honda/Toyota replace them for free you will not save money over a traditional car (provided you can spend several thousands less on a comparable traditional car).

The math isn't too difficult, but you'd have to drive a hybrid (on the original, or free replacement batteries at the same average MPG) ~ 300,000 miles before you paid off that initial premium because it was a hybrid.

Assuming a 2011 Honda Civic, available as hybrid and ICE (internal combustion engine):

Hybrid
41 MPG @ $3/gallon = $.073/mile
initial cost = $23,950

ICE
29 MPG @ $3/gallon = $.103/mile
initial cost = $15,805

Price premium for hybrid = $8145
Difference in $/mi = .03 (three bloody pennies)
Mileage you will recoup your $8145 = 8145/.03 = 271,500 miles...
that's before you can start saving, nevermind if there are higher maintenance costs associated with the hybrid.

My god man, chill out. I just meant that you would save on an electricity bill. Which you won't because there's a peltier there. So all in all, this is cosmetic, and functional, but not practical, and not any better than other cooling methods in terms of performance.

I don't own a hybrid, and it's precisely because I did do that exact math (with a Civic btw, spooky)...
post #55 of 133
Quote:
Originally Posted by B-80 View Post
My god man, chill out. I just meant that you would save on an electricity bill. Which you won't because there's a peltier there. So all in all, this is cosmetic, and functional, but not practical, and not any better than other cooling methods in terms of performance.

I don't own a hybrid, and it's precisely because I did do that exact math (with a Civic btw, spooky)...


Well, technically, I did reinforce your statement that it would depend on how long you drove the car.

On topic: I love this method of cooling, but my initial response was just to inform folks that this magic fluid didn't, itself, result in great (or even acceptable) cooling results.

It's just some neat slight of hand.

That said, I would love to build a fish tank like contraption and drop my PC in. It looks slicker than snail snot.
    
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post #56 of 133
Quote:
Originally Posted by RonindeBeatrice View Post


Well, technically, I did reinforce your statement that it would depend on how long you drove the car.

On topic: I love this method of cooling, but my initial response was just to inform folks that this magic fluid didn't, itself, result in great (or even acceptable) cooling results.

It's just some neat slight of hand.

That said, I would love to build a fish tank like contraption and drop my PC in. It looks slicker than snail snot.
It was insightful in a way, I never took batteries into account.

I mean seriously, Hybrids suck
post #57 of 133
Quote:
Originally Posted by DuckieHo View Post
1) 1 gallon of Novec isn't enough for an ATX mobo.
2) There is evaporation loss
If this were to become a viable option, both those points would be addressed. Liquid price would go down as production increased. The real issue would be having a mostly closed system. Without an enclosure to support this, it won't go anywhere. If someone designs a unit that could actually work and minimize the need for fluid, it could work and wouldn't be significantly more expensive than a high grade water loop.
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post #58 of 133
I didn't realize there was a TEC there. I don't see what this gains the consumer over any other option, then. An interesting question: How long would it take for the liquid to evaporate off components should you need to change parts?

Quote:
Originally Posted by RonindeBeatrice View Post
No, the batteries will eventually die, and unless Honda/Toyota replace them for free you will not save money over a traditional car (provided you can spend several thousands less on a comparable traditional car).

The math isn't too difficult, but you'd have to drive a hybrid (on the original, or free replacement batteries at the same average MPG) ~ 300,000 miles before you paid off that initial premium because it was a hybrid.

Assuming a 2011 Honda Civic, available as hybrid and ICE (internal combustion engine):

Hybrid
41 MPG @ $3/gallon = $.073/mile
initial cost = $23,950

ICE
29 MPG @ $3/gallon = $.103/mile
initial cost = $15,805

Price premium for hybrid = $8145
Difference in $/mi = .03 (three bloody pennies)
Mileage you will recoup your $8145 = 8145/.03 = 271,500 miles...
that's before you can start saving, nevermind if there are higher maintenance costs associated with the hybrid.
There are a couple of things that occurred to me when reading this post...

For starters, many manufacturers' batteries these days are slated to last the better part of a decade at least. Having to replace those batteries is not really a concern unless you intend to own the car for 10+ years.

Second, based upon the low mileage you are using for the hybrid, you are assuming it is only running on gasoline. Combined mileage is much, much higher! Furthermore, on cars like the Chevy Volt you can even recharge the battery without using gasoline (power plant electricity is much cheaper than gasoline).

The math will probably still not work out in the hybrid's favor considering how expensive the newer ones are, but I just wanted to point out that there are a couple oversights in your analysis. On a side note, hybrids are also much more environmentally friendly to produce than they used to be, too, so people arguing that you pollute less by purchasing a regular car are misinformed. (And no, I don't own a hybrid. The Chevy Volt is the only hybrid that doesn't look too geeky for me to be caught dead with, and I don't feel like paying $40k for a car.)
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post #59 of 133
3M always finds a way to force their way into a market. This is by far their best attempt
post #60 of 133
I wonder if you can trade the TEC for a pump/rad/fan setup. I love the look of the liquid boiling.
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