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Verification of a chamberless HLFC design with an outer skin of variable porosity

Kilian, Thomas and Horn, Matthias (2021) Verification of a chamberless HLFC design with an outer skin of variable porosity. CEAS Aeronautical Journal. Springer. doi: 10.1007/s13272-021-00528-4. ISSN 1869-5590.

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Official URL: https://doi.org/10.1007/s13272-021-00528-4


A chamberless HLFC leading edge segment featuring an outer skin with variable porosity has been designed, manufactured and wind-tunnel tested under flight Reynolds-number conditions. The aerodynamic design involved the extention of current HLFC design routines to variable pressure loss characteristics of the outer skin. Advanced options for structural design and manufacturing solutions with focus on industrialization, arising from the avoidance of aerodynamically driven chambering, are explored. The leading edge segment has been installed on an existing vertical tail plane model and tested at the large low-speed wind-tunnel facility DNW-LLF. The design process and some results of the successful verification of the chamberless design are presented herein.

Item URL in elib:https://elib.dlr.de/143679/
Document Type:Article
Title:Verification of a chamberless HLFC design with an outer skin of variable porosity
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kilian, ThomasUNSPECIFIEDhttps://orcid.org/0000-0003-1395-608XUNSPECIFIED
Horn, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0001-5092-2415UNSPECIFIED
Date:28 August 2021
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:Hybrid Laminar Flow Control (HLFC), Aerodynamic Design, Experimental Aerodynamics, Manufacturing
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
Institute of Structures and Design > Design and Manufacture Technologies
Deposited By: Kilian, Thomas
Deposited On:02 Sep 2021 07:47
Last Modified:02 Sep 2021 07:47

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