In reply to Horace Heffner's message of Fri, 24 Jun 2011 03:09:22 -0800: Hi, [snip] >The thermal conductivity of copper is 386 W/(m K), about 2700 times >that of rubber. Several meters of similar sized copper pipe coiled a >barrel of water at 75 C should easily condense 12 kW of steam. > Wouldn't the steam condense anyway, as soon as it mixed with the cold water? That's what happens in a pot of water on the stove. You can see the bubbles forming at the bottom, but not reaching the surface until the whole mass has reached the boiling point.
Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
