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Numerical Simulation of Transonic Wind Tunnel DNW-HST including slotted walls at supersonic Mach Numbers

Melber-Wilkending, Stefan and Wubben, Frenk and Gebbink, Roy (2021) Numerical Simulation of Transonic Wind Tunnel DNW-HST including slotted walls at supersonic Mach Numbers. In: NATO AVT. STO MP AVT 338, 24.-27.5.2021, Online.

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As part of an ongoing effort to improve wind tunnel simulation capabilities and accuracy, an advanced numerical toolchain of the DNW-HST transonic wind tunnel is created. Whereas earlier RANS CFD simulations of the wind tunnel environment have aided in the increased understanding of experimental results at subsonic flow conditions, this paper now demonstrates the numerical simulation capability for the transonic and low-supersonic flow regime. The development of the numerical toolchain is presented via a discussion of the simulation strategy and a demonstration of a wall- and support influence assessment for a basic delta wing configuration at Mach number 1.05 in both free air and the in-tunnel situation. The developed toolchain forms the basis for an optimization of the DNW-HST regarding flow quality, power consumption, Mach number range and some non-linearities that take place e.g. with bigger models in the test section.

Item URL in elib:https://elib.dlr.de/141638/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical Simulation of Transonic Wind Tunnel DNW-HST including slotted walls at supersonic Mach Numbers
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:24 May 2021
Journal or Publication Title:NATO AVT
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:Numerical Simulation, Transonic Wind Tunnel, Slotted Walls, Transonic Flow, Supersonic Flow, WEAG TA-15, CFD, Support and Wall Interference
Event Title:STO MP AVT 338
Event Location:Online
Event Type:international Conference
Event Dates:24.-27.5.2021
Organizer:NATO AVT
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Melber-Wilkending, Stefan
Deposited On:11 Oct 2022 11:38
Last Modified:11 Oct 2022 11:38

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