SUPERENGINE® | What use are vortices?
                             by Karl Obermoser

SUPERENGINE ®  | vortices

In technical applications, vortices suffer much the same fate as resonant vibration: designers of fluid-flow machines tend to regard them as an undesirable, harmful effect. For this reason they totally overlook the technical energy potential inherent in a controlled vortex structure.

For a power plant to operate economically, the heat source must be reasonably priced and the level of efficiency high, but, in addition, the design must be as simple as possible, as simple design in turn implies high efficiency.


Nature herself shows us impressively how it is done

SUPERENGINE ®  | vortices

Before one can appreciate the benefits if this demonstration, however, one must first understand the underlying functional principle:

If cold air rotates above a warm surface, its boundary layer is heated by the surface and, as its density then becomes lower, migrates toward the centre of rotation, in other words in the direction of lower pressure. In doing so, its angular velocity increases, so that concentrated warm air turbulence develops in the centre of rotation and escapes upwards.

This results in a (dry) tornado, as shown in the picture on the left, which was taken on Mount Etna after the volcano had erupted. The tornado had a height of about 2 kilometres. This is a very rare phenomenon, since a relatively high difference in temperatures is needed before it can occur in nature.

Wet tornadoes, as seen in the upper picture, are very much more common and also more intensive. As a result of the heat of condensation or evaporation that develops, only a slight difference in temperatures can free large amounts of heat.

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