Interesting the reason they didn't increase the flow rate was because "[23/07/2013 22:11:08] Mats Lewan: I asked -- the answer is that the flow from the water pipe is not enough"
http://www.quantumheat.org/index.php/en/follow/general-updates/309-iccf-fun On Mon, Jul 29, 2013 at 1:01 PM, Jed Rothwell <[email protected]> wrote: > I am looking at the Josephson version of the Defkalion video, here: > > http://www.youtube.com/watch?v=HHEtnTO3h6s > > It is a little more blurry than the original. At time 39:03 the numbers on > the screen can be read. Total input is 1918 W. Output is 4295 W. T_in is > 25.29°C, T_out 132.13°C, and the flow rate is 0.569 liters/min. > > 132.13°C - 25.29°C = 106.9°C > > 0.569 liters/min = 9.5 ml/s > > 106.9°C * 9.5 ml = 1014 calories > > 1014 cal * 4.2 = 4258 W > > That is approximately what is shown in the Output Power section of the > screen. > > I have heard that the device produced steam. This is shown at various times > in the whole video. From the numbers here, I conclude that the people at > Defkalion treated the output as hot water, ignoring the heat of > vaporization. The heat of vaporization of water is 2260 kJ/kg, or 2260 J/g, > so for 9.5 ml that would be an extra 21,470 J/s (watts). > > I gather there have been some disputes over whether this water was fully > vaporized. It might have been somewhat wet. It might have included unboiled > water. I don't see how it could have, at 132°C, but in any case that is > irrelevant since they ignored the heat of vaporization. > > This is very conservative estimate of the heat output. > > - Jed >
