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On May 19, 11:09*pm, tom wrote:
On 5/19/2010 10:47 PM, Art Unwin wrote: On May 10, 12:35 pm, Art *wrote: I just completed a experiment with my antenna optimizer program where I had a dipole in free space and where I increased the diameter until it was close to.003 ohms resistive What this means is the current flow is right at the surface where there is no skin depth penetration involved and thus close to zero material resistance. This means that the total resistance is the radiation resistance of the surface encapsulating particles. The radiation was 35 db in a shape close to that of a sphere. (when the resistance of the aluminum dipole went to zero the radiation went to a perfect sphere) Efficiency was stated at 100% efficient pointing to 100% accountability for all forces involved and where losses were at a minimum. Regards Art Extra information When resonant at 50 ohms resistive the donut shape was evident and provided by two vortices. As the resonant value dropped so did the depth of the two vortices At 5 ohms resistive the vortice depth really started to reduce in depth.In other words as the vortice reduced so did the skin depth and Wow! *I'd really like to see this vortex, sorry these vortices, that you have produced. Is the rotation right or left handed? This is REALLY COOL! Please post the file and which optimizer software that you are using. Thanks! tom K0TAR The presence of these vortices are used to determine imperfections in materials during manufacturing processes. Removing the presence of such is the primary reason for laminations instead of solids in the manufacture of transformers.I am surprised that you are not familiar with the concept of skin depth when at the same time you consider yourself as an expert with respect to antennas. The antenna program I use is AO Pro purely because it has an optimizer to ensure Maxwell's equations are adhered to as well as accountability for all vectors involved. Planar devices are quite efficient such as the Yagi but planar devices are not in equilibrium which is a requirement of Maxwell's equations! I imagine that with any program you could fiddle with a dipole construction such that it was resonant at a very low impedance to obtain a progression for radiation pattern /volume versus impedance if it does not posses optimization abilities. The free EZNEC program probably will be good enough. As far as vortices are concerned the same two vectors used with antennas are also evident with the Earth's weather system. For instance, a tornado or a whirlpool presents a vortice by virtue of the intersection of two vectors involved. Remove one intersecting vector and the vortice disappears. This is an example of what Einstein saw with respect to his leanings on the unified theory. |
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