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NUMERICAL ANALYSIS OF HUB AND FUSELAGE INTERFERENCE TO REDUCE HELICOPTER DRAG

Khier, Walid (2012) NUMERICAL ANALYSIS OF HUB AND FUSELAGE INTERFERENCE TO REDUCE HELICOPTER DRAG. European Rotorcraft Forum, 04.09.2012-07.09.2012, Amsterdam, The Netherlands.

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Abstract

A numerical investigation was carried out to predict the mutual interference between helicopter components. The investigation was based on the solution of RANS equations in three dimensions using unstructured grids. Results are presented for six different test cases under steady forward flight conditions at Mach number equal to 0.204. These test cases refer to different combinations of reduced scale models of helicopter fuselage, rotor hub and main rotor modelled by an actuator disc. Analysis of the results revealed that while significant correlation between the hub and fuselage loads, and a non trivial influence of the actuator disc on these loads could be observed, the drag breakdown of the hub was not effectively altered.

Item URL in elib:https://elib.dlr.de/83001/
Document Type:Conference or Workshop Item (Paper)
Title:NUMERICAL ANALYSIS OF HUB AND FUSELAGE INTERFERENCE TO REDUCE HELICOPTER DRAG
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Khier, Walidwalid.khier (at) dlr.deUNSPECIFIED
Date:4 September 2012
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Rotor hub aerodynamics, Helicopter drag, Aerodynamic interference, RANS simulation
Event Title:European Rotorcraft Forum
Event Location:Amsterdam, The Netherlands
Event Type:international Conference
Event Dates:04.09.2012-07.09.2012
Organizer:Nationaal Lucht- en Ruimtevaartlaboratorium NLR
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Quiet and Comfortable Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Helicopters
Deposited By: Khier, Dr.-Ing. Walid
Deposited On:26 Jun 2013 15:28
Last Modified:31 Jul 2019 19:41

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