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Alternative Ventilation Concepts for Aircraft Cabins

Bosbach, Johannes and Lange, Sven and Dehne, Tobias and Lauenroth, Gerrit and Hesselbach, Florian and Allzeit, Michael (2013) Alternative Ventilation Concepts for Aircraft Cabins. CEAS Aeronautical Journal, 4 (3), pp. 301-313. Springer. doi: 10.1007/s13272-013-0074-z. ISSN 1869-5582.

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Official URL: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s13272-013-0074-z


A novel displacement ventilation system, relying on air supply through the ceiling, has been developed, in-stalled and investigated in the Do 728 test bed of the German Aerospace Center. The system uses a new ceiling air outlet concept, which allows for simultaneous supply of air and further functions like e.g. lighting or acoustic damping in future applications. Six different ventilation scenarios, among them mixing ventilation, cabin displacement ventilation, ceiling based displacement as well as combined ceiling and floor based displacement ventilation were studied and compared. Passenger thermal dummies were used to simulate experimentally the impact of the passengers under real conditions. Flow velocities, fluid temperatures and surface temperatures were measured in the cabin, including the vicinity of the passenger dummies. This data was used to determine integral quantities like the temperature difference between cabin air and incoming air, the heat removal efficiency, the mean temperature stratification and the mean velocity levels in order to analyze and score the ventilation scenarios. A combined operation of the floor and ceiling based displacement ventilation system can ensure at once high heat removal efficiencies as well as predictably comfortable flow conditions.

Item URL in elib:https://elib.dlr.de/79434/
Document Type:Article
Additional Information:Published online: 19. June 2013
Title:Alternative Ventilation Concepts for Aircraft Cabins
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bosbach, JohannesUNSPECIFIEDhttps://orcid.org/0000-0002-1531-127XUNSPECIFIED
Dehne, TobiasUNSPECIFIEDhttps://orcid.org/0009-0002-6961-6834UNSPECIFIED
Hesselbach, FlorianDiehl Aircabin GmbH, Research & Technology, Am Flugplatz, D-88471 LaupheimUNSPECIFIEDUNSPECIFIED
Allzeit, MichaelDiehl Aircabin GmbH, Research & Technology, Am Flugplatz, D-88471 LaupheimUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 301-313
Keywords:Indoor air flow, displacement ventilation, environmental control, heat removal efficiency
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Bosbach, Dr.rer.nat. Johannes
Deposited On:10 Jul 2013 13:16
Last Modified:21 Nov 2023 13:10

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