> From: "David Roberson" <[email protected]> > Sent: Friday, July 26, 2013 4:02:52 PM
> I reviewed the DGT demonstration and had a chance to give it a bit of > serious thought. One observation that I focused upon was the reading > of the output temperature during the hydrogen cycle. It is obvious > that this reading remained stuck at 100 C during a lot of time as > the power output was being ramped up. I expected this to occur. This is entirely consistent with the transition from wet to dry steam --- see http://tinyurl.com/def-1240 -- more evidence that the final output was saturated steam. Has anyone seen a tabulation of the input/output data? I only made a few screen shots near the end of the demo. There may well be a pressure (and temperature) drop down the output tube to outlet --- but from steam tables and a guess at the tube size and length I'd be surprised if it is more than about 0.5 bar -- so the COP is most likely at the 10+ level. (Presuming that Mats' calculation of the spark power is wrong).
