Influence of blade shape upon the auto-rotation stability | IEEE Conference Publication | IEEE Xplore

Influence of blade shape upon the auto-rotation stability


Abstract:

The paper is dedicated to consideration of the influence of the blade angle change and displacement of the center of mass of the body upon the pattern of descent of bodie...Show More

Abstract:

The paper is dedicated to consideration of the influence of the blade angle change and displacement of the center of mass of the body upon the pattern of descent of bodies with different blade shapes, both “in small” and “in large”.
Date of Conference: 01-03 June 2016
Date Added to IEEE Xplore: 11 August 2016
ISBN Information:
Conference Location: Moscow, Russia
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I. Introduction

The problem of motion of a heavy finned axisymmetric body in a resisting medium is studied. Construction of the body allows an autorotation about the axis of symmetry. An autorotation regime is stable for a certain interval of values of pitch angle of blades. These intervals are compared for bodies with different aerodynamic properties of blades taking into account displacement of a center of mass. Conditions of stability of stationary motion of mechanical systems described by complex differential equations of the third order [1] are used for this purpose. Character types of descent of the body are shown taking into account displacement of a center of mass.

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