1999-08-02
The Substantiation of a Wind Wheel’s Design With Gyrating Sailing Vanes at Low-Speed Conditions of Winds 1999-01-2624
In the paper is given the substantiation of application of multistage wind engines with vertical rotation axis. For this purpose is detected the regularity of variations of instantaneous average values of areas of windward surfaces of vanes for one -, two -, three- and four-stage windwheels.
The rational way of equalisation of instantaneous areas of a windward surface obviously is the application of the multistage four-vane windwheel with the deviation phase of sail vanes from each other on an angle 
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.It is proved that at increasing of the stage’s number the uniformity of rotation is increasing proportionate to the square of stage number and also is explained the technique of definition of basic sizes of vane’s sails.
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