The temperature of steam-vapour (consisting of microscopic water droplets) is slightly cooler than the temperature of the steam-gas. If the temperature did not drop the invisible gas wouldn't condense to become visible vapour. Rossi is not spouting BS.
Harry ----- Original Message ---- > From: Abd ul-Rahman Lomax <a...@lomaxdesign.com> > To: vortex-l@eskimo.com; vortex-l@eskimo.com > Sent: Mon, June 20, 2011 11:58:09 PM > Subject: Re: [Vo]:[Video] Andrea Rossi Explains His Energy Catalyzer (NET - >June 14, 2011) > > At 10:02 PM 6/20/2011, Stephen A. Lawrence wrote: > > >> Rossi's explanation is not sound, that the steam isn't so visible because >it's so hot. It's at normal temperature for steam!!! > > > > Measured at between 100 and 102C, in fact, according to what I've read. > > > > So, no, it's not superheated steam. > > Right. The explanation was BS. > > >> It will cool and condense, becoming visible, when it hits the ambient air. >The only difference that will exist for various flow rates will be an increase >in the plume size and an increase in the apparent velocity of any turbulence >in >it. The margin between the opening of the hose and the point at which the >steam >becomes visible will become larger (because it probably takes about the same >time to cool, but if it's moving faster, it will travel further in that time.) > >> > >> The instability of the viewing of the steam plume is disappointing. > >> > >> I just looked again. I think I can see steam all the way down to the hose, >which would imply that this is not dry steam, not completely, not exiting the >hose. It might have been dry coming out of the E-Cat. The place to observe the >steam would be at the valve, which they have completely covered here. The >temperature inside the hose at the end would be of interest. If it's cooler, >that would explain the visibility of steam. > > > > It's going to be within a degree or so of 100C, which is the reported >temperature in the chimney. Certainly no cooler, since there's steam coming >out, and certainly not much warmer. So, I don't think you'd see anything >interesting with two thermometers. > > I don't know that there is steam coming out. What's coming out is a cloud, >i.e., condensed steam, though it looks like a mixure (because it does seem to >become more visible above the hose), so I think some steam is making it to the >end of the pipe. Still, there might be a fraction of a degree of temperature >difference. It's really moot. The steam should be examined at the other end, >at >the top of the chimney, with a valve, as was done by Essen and Kullen. > > > Remember, steam with entrained droplets is "buffered", and will stay at >almost exactly 100C even if it either gives up or absorbs some amount of >heat. >(This is the "internal feedback" mechanism I've referred to elsewhere.) > > Yes, it is. > >
