Atmospheric vortex physics is well-enough established that the frontier of research is in modeling turbulent vs laminar transitions in with enough accuracy to write the CFD codes required to model the economics of the Atmospheric Vortex Engine.
http://www.mail-archive.com/vortex-l@eskimo.com/msg57184.html Toward that end Peter Thiel's Breakout Labs has put up money to build a medium scale version of the Atmospheric Vortex Engine so as to refine the model. http://www.mail-archive.com/vortex-l@eskimo.com/msg74271.html There are no major unknowns about the energy balance of these systems. On Tue, Jul 2, 2013 at 4:01 PM, ChemE Stewart <cheme...@gmail.com> wrote: > Mark, > > Thanks, they mention 10 m/s or about 22 MPH lift, which is reasonable and > about half of what I eyeballed from that waterspout, which disagrees with > what Wilkipedia and Brittanica have published. > They also mention it is slightly warmer in the center which makes sense to > me. In order to vacuum condense water vapor you have to REMOVE heat from > the water vapor (Heat of Vaporization). > The interesting thing to me is that usually a gas increases in pressure > when it is warmer and yet the center of the eye remains 1-10 mb LOWER > pressure, just like a hurricane maintains a "warm eye" and yet the pressure > is much lower than atmospheric pressure in the center > > They do not really answer WHY in that article but I agree with their data > and it still appears to me that a string of vacuum energy could explain > what maintains the disturbance. The vacuum energy would extract entropy > from the surrounding gas, triggering the condensing. > > Stewart > > > On Tue, Jul 2, 2013 at 4:41 PM, Mark Gibbs <mgi...@gibbs.com> wrote: > >> On Tue, Jul 2, 2013 at 1:20 PM, ChemE Stewart <cheme...@gmail.com> wrote: >> >> >>> *Curious what others think about that water moving up in the spout as >>> it crosses onto land. I don't think the humidity changes that much so I do >>> not think it is due to a change in condensing (which would be vacuum >>> condensing anyway) I know how much horsepower it takes to pump water that >>> high and air can't do that...* >>> >> See >> http://journals.ametsoc.org/doi/pdf/10.1175/1520-0493(1977)105%3C0725%3AWWTAPS%3E2.0.CO%3B2 >> >> [mg] >> > >
