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The TELFONA Pathfinder Model, a second look

Streit, Thomas and Schrauf, Géza and Salah El Din, Itham and Cella, Ubaldo and Fey, Uwe and Egami, Yasuhiro (2010) The TELFONA Pathfinder Model, a second look. Fifth European Conference on Computational Fluid Dynamics, CFD 2010, 14. - 17. July 2010, Lisbon, Portugal. ISBN 978-989-96778-1-4.

Full text not available from this repository.

Official URL: http://www.eccomas-cfd2010.org/

Abstract

Within the European Project Telfona the Pathfinder Model was designed, analyzed numerically, constructed and tested with the aim to obtain the capability of laminar flow testing of the European Transonic Wind Tunnel (ETW). The model was designed for natural laminar flow (NLF) for transonic flow conditions with high Reynolds number. Pre-test numerical analysis results demonstrated that the Pathfinder wing pressure distribution was adequate to provide calibration test points. The ETW tests provided pressure distribution data and transition position obtained from images using the Cryogenic Temperature Sensitive Paint Method (cryroTSP). The evaluation of this data with several transition prediction tools was used to establish the transition Nfactor values for ETW. In this work, after test CFD solutions are obtained using numerical Navier-Stokes solutions. Stability analysis is performed using the local stability 2-N factor method. In the first part of this work, it is shown that for the range of flow conditions tested, the Pathfinder wing pressure distribution is sufficiently insensitive to different parameters like span, transition position and turbulence model. In the second part, it is shown that for selected flow conditions a good agreement is obtained between stability analysis based on experimental data and numerical data. In the third part the numerical analysis and experimental data are used complementarily.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:The TELFONA Pathfinder Model, a second look
Authors:
AuthorsInstitution or Email of Authors
Streit, ThomasUNSPECIFIED
Schrauf, GézaAirbus, Bremen
Salah El Din, IthamONERA, France
Cella, UbaldoPiaggio Aero Industries, Italy
Fey, UweUNSPECIFIED
Egami, YasuhiroUNSPECIFIED
Date:2010
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-16
Editors:
EditorsEmail
Pereira, J.C.F.UNSPECIFIED
Sequeira, A.UNSPECIFIED
Pereira, J.M.C.UNSPECIFIED
Series Name:Conference Proceedings on CD-ROM
ISBN:978-989-96778-1-4
Status:Published
Keywords:CFD, Natural Laminar Flow, Cryogenic Temperature Sensitive Paint, Stability, Analysis, Laminar-Turbulent Transition
Event Title:Fifth European Conference on Computational Fluid Dynamics, CFD 2010
Event Location:Lisbon, Portugal
Event Type:international Conference
Event Dates:14. - 17. July 2010
Organizer:ECCOMAS
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Institute of Aerodynamics and Flow Technology > Configuration Design
Deposited By: Ilka Micknaus
Deposited On:22 Sep 2010 09:12
Last Modified:22 Sep 2010 09:12

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