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Selected Current Challenges in the Development of Hybrid Laminar Flow Control on Transport Aircraft

Pohya, Ahmad Ali (2020) Selected Current Challenges in the Development of Hybrid Laminar Flow Control on Transport Aircraft. Deutscher Luft- und Raumfahrtkongress (DLRK) 2019, 30. Sep. - 02. Okt. 2019, Darmstadt, Deutschland. DOI: 10.25967/490089

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Abstract

The application of hybrid laminar flow control (HLFC) on commercial aircraft is one of the most promising fuel reduction technologies. Although this topic has been the subject of research and development for decades, the technology has not yet managed to establish itself successfully. An important factor is the uncertainty of the operators regarding the resulting overall efficiency, i.e., the ecological and economic efficiency achieved under realistic operational boundary conditions. This includes additional maintenance as well as the loss of laminarity under non-ideal operating conditions. From the manufacturers' point of view, the HLFC technology is also not yet satisfactorily mastered. Current research and development activities focus on time- and cost-efficient production while complying with high certification requirements. Using latest sub-technologies, these questions are tackled in several projects within the European Clean Sky 2 program. This paper addresses a few selected challenges from an overall aircraft impacts' point of view and presents the taken approaches to solve these. Through close collaboration between all disciplines and the inclusion of the assessment in the early design phase it is aimed to develop a successful complete system representing a significant step towards market-ready hybrid laminar posture.

Item URL in elib:https://elib.dlr.de/132714/
Document Type:Conference or Workshop Item (Speech)
Title:Selected Current Challenges in the Development of Hybrid Laminar Flow Control on Transport Aircraft
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pohya, Ahmad AliAhmad.Pohya (at) dlr.dehttps://orcid.org/0000-0002-2734-3199
Date:October 2020
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.25967/490089
Status:Published
Keywords:HLFC, Insects, Assessment, Laminar Effectivity
Event Title:Deutscher Luft- und Raumfahrtkongress (DLRK) 2019
Event Location:Darmstadt, Deutschland
Event Type:national Conference
Event Dates:30. Sep. - 02. Okt. 2019
Organizer:Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR)
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 - Flight Physics
Location: Hamburg
Institutes and Institutions:Institute of Maintenance, Repair and Overhaul > Product Life Cycle Management
Deposited By: Pohya, M.Sc. Ahmad Ali
Deposited On:16 Dec 2019 09:38
Last Modified:16 Dec 2019 09:38

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