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Windmill Power Turbines 9th Nov. 2001 Following a close study of Viktors work I began experimenting with the creation of whirlpools. These "whirlpool dishes" have provided clues as to their ideal shapes and the character of the whirling fluid. The natural progression from whirlpools is the propagation of whirlwinds. How would one produce and contain them, and can a whirlwind be harnessed as a motive source for generating electricity? What advantage could be gained from a focused flow. Pictured below you'll see a side and top view drawing of an idea concept "Whirlwind power generator" It will lie on it's side sitting across the flow of wind.  side view  top view Note: the shed is positioned correctly towards the prevailing wind and dug into the earth half it's depth. In flowing air is guided upwards and into the scoop. 
As it contracts into the funnel, rotational velocity increases, so does it's density, pressure gradient and forward velocity. 
Finned rotor that follows the suggestion of Viktors work.
2nd Feb. 2009: I have spent quite a lot of time since first writing this page; for the moment I'll add in some other drawings to amuse you with.
Below: Fluent simulation for chamber experiment 20th feb 2005. notice the velocity acceleration in the tunnelway.
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