Forwarded to Vortex on behalf of Michel who seems unable to get through. ------------------------------------------------------------------------------
On Tue, 12 Jun 2007 10:36:57 +0200, "Michel Jullian" <[EMAIL PROTECTED]> wrote: >To: <vortex-l@eskimo.com> >Subject: Re: [Vo]:Filament ion jets >From: "Michel Jullian" <[EMAIL PROTECTED]> >Date: Mon, 11 Jun 2007 10:24:53 +0200 > >Applications of EHD to aircraft aerodynamics has been a subject of intense >research recently, lookup e.g. OAUGDP. > >Why _piezo_ ceramic tiles BTW? > >Michel > > >----- Original Message ----- >From: "William Beaty" <[EMAIL PROTECTED]> >To: <vortex-l@eskimo.com> >Sent: Monday, June 11, 2007 8:54 AM >Subject: Re: [Vo]:Filament ion jets > > >> On Mon, 4 Jun 2007, Horace Heffner wrote: >> >>> I just got around to reading the experimental results at: >>> >>> http://amasci.com/weird/unusual/airexp.html >>> >>> I was surprised to see: "- I can't see any effects from a 3/4" >>> neodymium magnet. At 10nA, the magnetism around each thread must be >>> incredibly small." That's an indication the ratio of q/m is very >>> small. A very tiny current still makes for a large deflection if q/m >>> is large. >> >> That's only for vacuum environment. If fluid mechanics plays a role in >> the forming of the narrow flow pattern, then perhaps the EM forces might >> be insignificant when compared to the fluid forces. If so, then a magnet >> might have no noticable effect on the charged stream in air, while it >> would have a huge effect if the same stream was flying through a vacuum. >> >> >>> Looks like you have a large molecular chain made of polar >>> molecules, maybe made of H20 or CO2 or both, with very high >>> resistance. >> >> Or it could just be a fairly slow flow of charged matter. Such a stream >> might have a narrow shape which is stable, just as narrow fluid laminar >> jets are a stable shape. I strongly suspect that these "filaments" are >> fluid jets which would normally become turbulent, but somehow the >> electrostatic forces are somehow suppressing any turbulence. Somehow the >> EM forces would make any kinks in the flow pattern become smaller, rather >> than growing as they usually would. >> >> If so, then the same electrostatic forces might suppress turbulence on >> aircraft surfaces if those aircraft could be coated with ions and >> subjected to a strong e-field. Others like JL Naudin think that the >> military uses this to suppress sonic booms. But what if it suppresses >> turbulence as well? On high-RE devices such as aircraft surfaces, most >> friction is due to turbulence and not do to viscous drag. If turbulence >> is gone, then fuel use is drastically lowered, and a long-distance >> bomber could be very small (not like a B-52.) >> >> One way to do such a thing would be to cover an aircraft with piezo >> ceramic tiles, drive the fuselage with high voltage AC to create a plasma >> layer in the air adjacent to the tiles, then charge the fuselage to one HV >> polarity to create the DC electrical forces. (And perhaps add a bit of >> carbon in the tile ceramic to allow some microamps of DC leakage.) >> >> I had the above idea in my head for years, and now recently someone has >> found pieces of "tile" pucks which look much like I imagine, and which >> also appear to have suffered a high voltage burn-through that could have >> been the reason the tiles fell from the sky: >> >> http://www.youtube.com/profile?user=Eyewitness2007 >> >> >> >> >> >> (((((((((((((((((( ( ( ( ( (O) ) ) ) ) ))))))))))))))))))) >> William J. Beaty SCIENCE HOBBYIST website >> billb at amasci com http://amasci.com >> EE/programmer/sci-exhibits amateur science, hobby projects, sci fair >> Seattle, WA 425-222-5066 unusual phenomena, tesla coils, weird sci >> Regards, Robin van Spaandonk The shrub is a plant.
