Maybe that's one of the reasons why the test didn't last very long ;) 2011/10/31 Peter Heckert <peter.heck...@arcor.de>
> I think, these 470 kW heat dissipators compare to those of a large truck. > But not to a large truck that is running idle. It compares to a large > truck running the hill upwards under maximum full load for hours. > Under such circumstances most trucks would overheat and must do a pause or > slow down very,very much. > > > Am 31.10.2011 16:27, schrieb Daniel Rocha: > > In that case, there was a ceiling, so, even though the windows were > opened, the hot air was trapped. > > 2011/10/31 Peter Heckert <peter.heck...@arcor.de> > >> When I was young, I was working in an aluminium casting house for some >> weeks. >> This was only one small oven and all windows and large large doors where >> left open. >> It was incredibly hot inside and for sure this where less than 470 kW >> heating power. >> I was happy I survived this ;-) >> >> Am 31.10.2011 16:01, schrieb Peter Heckert: >> >> 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. >>>> >>>> >>> >> >> >> >> >> > >
