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Overview of the Wind Tunnel Tests with Suction in the DNW-NWB

von Soldenhoff, Richard (2022) Overview of the Wind Tunnel Tests with Suction in the DNW-NWB. STAB-Symposium 2022, 09.-10. November 2022, Berlin, Deutschland.

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In the low speed wind tunnel Braunschweig (DNW-NWB), several measurement campaigns with sucked boundary layer for laminarisation have taken place. The present article gives an overview over the modular wind tunnel model, the conducted measurement series and the obtained results. Multiple suction surfaces were used. Conventional approaches with laser drilled cylindrical perforations are compared with recently developed suction surfaces, using a fine etched metal foil and a supporting mesh structure. Also two layouts of suction slots in contrast to the cylindrical perforations are considered. Moreover, numerical investigations are presented, allowing a deeper insight into aerodynamical processes of unstable boundary layer modes. The focus was on the deviation of experimentally measured transition lines to numerical predictions by an e^N method with regard to effectiveness of suction and predictability.

Item URL in elib:https://elib.dlr.de/191686/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Im Rahmen des Exzellenzclusters SE2A
Title:Overview of the Wind Tunnel Tests with Suction in the DNW-NWB
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:November 2022
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Hybrid Laminar Flow Control, TSSD, Slotted Suction Surfaces
Event Title:STAB-Symposium 2022
Event Location:Berlin, Deutschland
Event Type:national Conference
Event Dates:09.-10. November 2022
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Aircraft Technologies and Integration
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: von Soldenhoff, Richard
Deposited On:06 Dec 2022 12:16
Last Modified:06 Dec 2022 12:16

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