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[tweaktown] MSI employs Stirling Engine Theory - Page 5

post #41 of 47
Not too bad an idea, but think about the heat that needs to be generated for this to work, plus the $10-$20 it will add to the board price.
    
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post #42 of 47
Neat..
post #43 of 47
Interesting, but how many watts, and fuel was consumed in the manufacturing of the item... probably more energy than it will save over the life time of the system.

Its likely more of a sales gimmick than an energy saver!

If they had half a brain, they would engineer an heat sink that utilized the cases exhausting air fan which is already there!
    
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post #44 of 47
Quote:
Originally Posted by ENTERPRISE View Post
So in this case technology does take a step back lol jks.

But this is a great idea though. However due to lack of heat the fan may not operate very well leading to poor CPU cooling...this may not be for overclockers.
I don't think you understand. The heat from the device cools the heatsink, which cools the device. There's no bad cooling involved because when it DOES get hot, the fan is already using that heat to cool it back down...
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post #45 of 47
Quote:
Originally Posted by The_Jester View Post
I don't think you understand. The heat from the device cools the heatsink, which cools the device. There's no bad cooling involved because when it DOES get hot, the fan is already using that heat to cool it back down...
Exactly, the Sterling engine uses otherwise wasted heat to cool the heatsink....theoretically, there's no limit to how fast that little guy will run. if the build it so it doesn't sling rods at high enough temps, you could cool a CPU with the thing....surely a Prescott, they spam enough heat, lol.


...And I'm sure there's a temp where the little engine would overrev and sling a rod, rendering the engine completely useless...really should use ball bearings, I think they went with straight-up plastic on plastic, which isn't famous for strength in this application....
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post #46 of 47
Quote:
Originally Posted by Stephen Chan View Post
fixed
Nope, deliberate.

And the temperature differential needed to power the fan is small. There are applications which will run on the warmth of the palm o' yer hand.

And pshaw to the people who don't think that widespread adoption of this kind of technology amounts to nothing. In the 1980's American Airlines reduced the number of olives in the salads it served in first class and saved 40,000$US annually.
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post #47 of 47
Quote:
Originally Posted by TestECull View Post
Exactly, the Sterling engine uses otherwise wasted heat to cool the heatsink....theoretically, there's no limit to how fast that little guy will run. if the build it so it doesn't sling rods at high enough temps, you could cool a CPU with the thing....surely a Prescott, they spam enough heat, lol.


...And I'm sure there's a temp where the little engine would overrev and sling a rod, rendering the engine completely useless...really should use ball bearings, I think they went with straight-up plastic on plastic, which isn't famous for strength in this application....
Yes, there is an obvious limit. The most amount of work that can be done is the temperature delta times the volume of air minus any inefficiency. This would provide you with the amount of power used. If it exceeds this, then the engine would be creating energy or free work... violating laws of physics.
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