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Experimental und numerical investigation of the aerodynamic characteristic of a generic transonic missile

Schnepf, Christian and Schülein, Erich and Klevanski, Josef (2017) Experimental und numerical investigation of the aerodynamic characteristic of a generic transonic missile. AIAA Aviation 2017, 05.-09. Juni 2017, Denver, Colorado.

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Official URL: https://www.aiaa-aviation.org/Program/

Abstract

A study of the aerodynamic characteristics of two missile configurations has been performed using the data of an experiment, of a semi-empirical aerodynamic prediction code (Missile Datcom) and a RANS flow solver (TAU). The aerodynamic coefficients for different angles of attack and roll angles for Mach numbers of M= 0.85 and 1.2 are compared. Considering the design of the configurations one is rather unconventional with large aspect ratio wings. Whereas the other one has conventional wings with a small aspect ratio. The latter sustains large lift forces at high angles of attack due to the occurrence of vortices while the former performs better at low angles of attack. The comparison of the experimental data with the TAU predicted aerodynamic coefficients shows a good agreement for both configurations in the entire AoA-range. Regarding Missile Datcom, for the unconventional design the accuracy of the predicted data decreases with increasing angle of attack but remains almost constant for the conventional.

Item URL in elib:https://elib.dlr.de/110943/
Document Type:Conference or Workshop Item (Speech)
Title:Experimental und numerical investigation of the aerodynamic characteristic of a generic transonic missile
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schnepf, Christianchristian.schnepf (at) dlr.deUNSPECIFIED
Schülein, ErichErich.Schuelein (at) dlr.dehttps://orcid.org/0000-0002-1125-8504
Klevanski, Josefjosef.klevanski (at) dlr.deUNSPECIFIED
Date:2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:missile aerodynamic, experiment, CFD, Missile Datcom
Event Title:AIAA Aviation 2017
Event Location:Denver, Colorado
Event Type:international Conference
Event Dates:05.-09. Juni 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies
Location: Göttingen , Köln-Porz
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > High Speed Configurations, GO
Deposited By: Bachmann, Barbara
Deposited On:28 Sep 2017 14:58
Last Modified:28 Sep 2017 14:58

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