But the heat from the sun is in form of EM waves whereas in this case it is already being carried by a convective current and unless it mixes with surrounding air, the heat will hardly be carried by long IR waves.
2011/10/31 Peter Heckert <peter.heck...@arcor.de> > Am 31.10.2011 15:51, schrieb Daniel Rocha: > > That is open field and and there was wood surrounding the radiator. And > even the wood close to were the viewing was done was not close to the > radiator air exit. > > Not open enough. 470 kW is what comes down to earth surface on 470 m^2 on > a hot summerday. > Now imagine this amount of energy concentrated on an area of 47 m^2. And > this area was less. Probably 25 m^2. > > > ---------- Forwarded message ---------- > From: Peter Heckert <peter.heck...@arcor.de> > Date: 2011/10/31 > Subject: Re: [Vo]:Video added to NyTeknik report > To: vortex-l@eskimo.com > > > Am 31.10.2011 15:38, schrieb Daniel Rocha: > > 4 m^3/s is not too much. That is a column of 1.6m^2 ascending at 1.6m/s. > The area that concealed the radiators was much bigger. > > > I feel a hot stream of air if my car stands in front of the garage, it is > still hot and the motor fan is running. My car has 55 kW. > > Believe me, the ecat was in sustained mode and running for hours. > Everything in the direct ambient must have been heated up by this air blow. > There must be MUCH more heat than the Diesel generator was producing at > this time and this does not stay cool. > > > 2011/10/31 Peter Heckert <peter.heck...@arcor.de> > >> They test the temperature at the output pipe, but this does not say much >> about the energy when the mass flow is not known. >> >> When Lewan looked over the fence to the heat dissipators then he should >> have feeled A LOT of hot air. He did not mention anything. >> >> It would be interesting to know. I have calculated there must be more >> than 4 m^3 of hot air (ambient + 80 degrees) per second. >> This is assuming that the air was heated by 80 degrees. >> If it was heated by 40 degrees then there must be 8m^3/s of hot air and >> so on. >> >> >> Am 31.10.2011 15:10, schrieb Jed Rothwell: >> >> See: >>> >>> http://www.nyteknik.se/nyheter/energi_miljo/energi/article3303682.ece >>> >>> The quality of that video is better than the other ones. Lewan held the >>> camera steady and explained what the viewer is seeing. There is less >>> background noise. >>> >>> By the way, Lewan says he believes input power was measured using the >>> genset internal meter. This is a highly reliable method. >>> >>> The thermocouples used in this test can be seen in Lewan's video. They >>> are professional quality, and they are properly placed. >>> >>> >> > > > >
