Helicopter Main- and Tail Rotor Performance in Presence of Winds

Ahmed, S.R. (2001) Helicopter Main- and Tail Rotor Performance in Presence of Winds. In: CD-Proceedings. 27th European Rotorcraft Forum, Moscow (rus), 11.-14.09.2001.

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Abstract

A numerical study of the effect of side winds on the main rotor and tail rotor performance during hover was conducted for a closely spaced two-blade main- and tail rotor configuration. The method used was an unsteady panel method. The interaction between the simultaneously rotating rotors was investigated on the basis of stream lines, velocity vector plots and unsteady main- and tail rotor lift. The wind azimuth was varied over the range of 0 degrees to 330 degrees. The findings of the work are in good agreement with experimental work and phenomena explantations found in the literature.

Document Type:

Conference or Workshop Item (Paper)

Additional Information:

LIDO-Berichtsjahr=2002,

Title:

Helicopter Main- and Tail Rotor Performance in Presence of Winds

Authors:

Authors	Institution or Email of Authors
Ahmed, S.R.

Date:

2001

Journal or Publication Title:

CD-Proceedings

Status:

Published

Keywords:

Helicopter Aerodynamics, Side Wind Effects, Main-rotor/Tail-rotor Interaction

Event Title:

27th European Rotorcraft Forum, Moscow (rus), 11.-14.09.2001

HGF - Research field:

Aeronautics, Space and Transport

HGF - Program:

Aeronautics

HGF - Program Themes:

L RR - Rotorcraft Research

DLR - Research area:

Aeronautics

DLR - Program:

L RR - Rotorcraft Research

DLR - Research theme (Project):

L - The Quiet and Comfortable Rotorcraft

Location:

Köln-Porz , Braunschweig , Göttingen

Institutes and Institutions:

Institute of Aerodynamics and Flow Technology

Deposited By:

Claudia Grant

Deposited On:

31 Jan 2006

Last Modified:

14 Jan 2010 18:58

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