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(MIT)   Rabid condensers could cut global energy use   (web.mit.edu) divider line 15
    More: Interesting, chemical engineer, Advanced Materials, heating and cooling, desalination plants, ceramics, thermal conductivity, power stations, contractions  
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1817 clicks; posted to Geek » on 24 Sep 2013 at 12:47 PM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



15 Comments   (+0 »)
   
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2013-09-24 12:09:10 PM  
encrypted-tbn1.gstatic.com
 
2013-09-24 12:47:24 PM  
+1 internets subby
 
2013-09-24 12:51:56 PM  
Accurate, humorous, and informative.

+1
/golfclap
 
2013-09-24 12:54:09 PM  
Sure, they can repel water even when submersed in it, but that's still not as bad ad North Carolina's summer humidity.
 
2013-09-24 01:00:47 PM  

ikanreed: Sure, they can repel water even when submersed in it, but that's still not as bad ad North Carolina's summer humidity.


I wonder if anyone has ever thought of making workout clothes out of hydrophobic materials.
 
2013-09-24 01:01:52 PM  
But do they speak Bocce?
 
2013-09-24 01:03:00 PM  
/In tribute to I_C_Weeners' post
//What a Rabbid condenser might look like
 
2013-09-24 01:18:37 PM  
Unlikely. Would only be useful for a few percentage points in efficiency if even that. Most condensation is done through heat exchange with incoming cool sea water.
 
2013-09-24 01:25:32 PM  

Wade_Wilson: ikanreed: Sure, they can repel water even when submersed in it, but that's still not as bad ad North Carolina's summer humidity.

I wonder if anyone has ever thought of making workout clothes out of hydrophobic materials.


FTFA: "The work was supported by the U.S. Army Research Office though MIT's Institute for Soldier Nanotechnologies"

Institute for Soldier Nanotechnologies:
"The Institute for Soldier Nanotechnologies is a team of MIT, Army and industry partners working together to discover and field technologies that dramatically advance Soldier protection and survivability capabilities."

Maybe they were investigating underwear to relieve "soldier's swamp butt" but then mission creep took over.
 
2013-09-24 01:42:48 PM  

Wade_Wilson: ikanreed: Sure, they can repel water even when submersed in it, but that's still not as bad ad North Carolina's summer humidity.

I wonder if anyone has ever thought of making workout clothes out of hydrophobic materials.


Hydrophobic would mean that the clothing would be unable to wick away moisture because hydrophobic material has a capilary reactions in reverse to what we are used to.   Fine you might be able to exercise for hours and not get your outfit sweaty but I do not see how that would benefit in heat rejection from the body.
 
2013-09-24 02:08:58 PM  

mrlewish: Unlikely. Would only be useful for a few percentage points in efficiency if even that. Most condensation is done through heat exchange with incoming cool sea water.


That's the point.  If you can form droplets that fall off quicker then the droplets that are falling away are no longer adding heat to the seawater. The temperature differential in the exchanger stays larger and more heat is exchanged.  You can then shorten the exchanger which is a large source of frictional losses in your cycle.
 
2013-09-24 02:25:51 PM  
www.speedclean.com

What a rebid condenser might look like
 
2013-09-24 02:26:47 PM  

lilbjorn: What a rebid condenser might look like


Dammit!  Rabid!
 
2013-09-24 03:19:38 PM  
Sounds like a graphine coating, but they don't want to say its a graphine coating
 
2013-09-25 03:19:35 PM  
100 Celsius, that's like 212 'Murican?
 
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