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Semi-Empirical Modeling of Fuselage-Rotor Interference for Comprehensive Codes: The Fundamental Model

van der Wall, Berend G. and Bauknecht, Andre and Jung, Sung N. and You, Young H. (2014) Semi-Empirical Modeling of Fuselage-Rotor Interference for Comprehensive Codes: The Fundamental Model. CEAS Aeronautical Journal, 5 (4), pp. 387-401. Springer. DOI: 10.1007/s13272-014-0113-4 ISSN 1869-5582

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Official URL: http://link.springer.com/article/10.1007/s13272-014-0113-4

Abstract

The flow field around the isolated HART II fuselage is computed by a computational fluid dynamics code. Velocities normal to the rotor rotational plane are extracted in a volume around the rotor as a data basis. A simple semi-empirical physics-based analytical formulation of the induced velocities is developed for use in comprehensive rotor codes. This model allows the computation of fuselage-rotor interferences on the rotor blade element level. It also allows the prediction of the rotor wake geometry deformation due to the presence of the fuselage in both prescribed wake and freewake codes. Its impact on rotor thrust, power and trim is evaluated analytically using blade element momentum theory and by DLR's comprehensive rotor code.

Item URL in elib:https://elib.dlr.de/87942/
Document Type:Article
Title:Semi-Empirical Modeling of Fuselage-Rotor Interference for Comprehensive Codes: The Fundamental Model
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
van der Wall, Berend G.Berend.vanderWall (at) dlr.deUNSPECIFIED
Bauknecht, Andreandre.bauknecht (at) dlr.deUNSPECIFIED
Jung, Sung N.Konkuk UniversityUNSPECIFIED
You, Young H.Konkuk UniversityUNSPECIFIED
Date:June 2014
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:5
DOI :10.1007/s13272-014-0113-4
Page Range:pp. 387-401
Publisher:Springer
ISSN:1869-5582
Status:Published
Keywords:HART II, fuselage-rotor interference, comprehensive code, rotor dynamics, rotor aerodynamics, rotor wake
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Innovative Rotorcraft
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Institute of Aerodynamics and Flow Technology > Helicopters
Deposited By: van der Wall, Prof. Dr. Berend G.
Deposited On:16 Jun 2014 14:05
Last Modified:06 Sep 2019 15:24

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