Effects of the shroud on aerodynamic performance in helicopter shrouded tail rotor system
Aircraft Engineering and Aerospace Technology
ISSN: 0002-2667
Article publication date: 1 December 2001
Abstract
Gives a momentum theory analysis to analyze the effects of the shroud on aerodynamic performance in a helicopter shrouded tail rotor system for hover and side wind states. As the key to the analysis, introduces a thrust distribution factor to represent the ratio of the shroud thrust to the total thrust of the shrouded rotor. With the help of the factor, fully derives the relations of the thrust, power and disk area for a shrouded rotor. Discusses the effects of the airflow velocity on the thrust gains of the shroud. Makes comparisons between a shrouded rotor and an isolated rotor for different cases and analyzes the variations of the thrust and power of a shrouded rotor with the thrust distribution factor. Gives several conclusions.
Keywords
Citation
Xu, G. and Wang, S. (2001), "Effects of the shroud on aerodynamic performance in helicopter shrouded tail rotor system", Aircraft Engineering and Aerospace Technology, Vol. 73 No. 6, pp. 568-573. https://doi.org/10.1108/00022660110408569
Publisher
:MCB UP Ltd
Copyright © 2001, MCB UP Limited