THE APPLICATION OF A THEORETICAL BLADE SAILING MODEL TO PREDICT THE BEHAVIOR OF ARTICULATED HELICOPTER ROTORS

被引：0
|
作者：
NEWMAN, SJ
机构：
来源：
AERONAUTICAL JOURNAL | 1992年 / 96卷 / 956期
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D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A theoretical model had been previously developed to predict the behaviour of a semi-rigid helicopter rotor blade during rotor engagement and disengagement under high wind conditions. This has now been extended to cater for an articulated rotor by modelling the droop and anti-flap stop mechanisms by high rate linear springs. Much increased blade deflections are predicted, as anticipated, along with the possibility of blade tip/tail boom contact at a high enough wind speed. The importance of the higher modes in the description of the phenomenon is demonstrated. A comparison ot the theoretical model with an experiment using a full size Puma aircraft is presented.
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页码：233 / 239
页数：7
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