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Dynamics of aircraft cabin ventilation studied by in-flight infrared thermography

Dehne, Tobias and Bosbach, Johannes and Heider, André (2012) Dynamics of aircraft cabin ventilation studied by in-flight infrared thermography. 11th Quantitative InfraRed Thermography, 11. - 14. Jun. 2012, Neapel, Italien. ISBN 9788890648441.

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Official URL: http://www.qirt2012.unina.it/ocs/index.php/2012/QIRT


Aircraft Cabin Displacement Ventilation (CDV) was investigated during flight tests in an A320 aircraft cabin with an automatically rotatable infrared camera. For this purpose a programmable, step motor driven infrared camera setup was developed, allowing for time resolved acquisition of the temperatures on the interior cabin surfaces during the flights. Static measurements reveal a characteristic, yet homogeneous temperature distribution in the cabin for both scenarios, pinpointing to a homogeneous cooling of the heat loads in the whole cabin. Analysis of time resolved measurements discloses that the cooling performance of the cabin is limited by thermal diffusion of heat inside of the interior cabin materials. Switching from pure CDV to a hybrid scenario, where 30% of the air flow rate is provided by the pre-existing lateral air outlets, allows to increase the initial surface cooling rates up to a factor of 2.

Item URL in elib:https://elib.dlr.de/75585/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Dynamics of aircraft cabin ventilation studied by in-flight infrared thermography
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:11 June 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-6
Series Name:Conference Proceedings on USB-Stick, E-book Porceedings
Keywords:indoor airflow, displacement ventilation, environment control, flight test
Event Title:11th Quantitative InfraRed Thermography
Event Location:Neapel, Italien
Event Type:international Conference
Event Dates:11. - 14. Jun. 2012
Organizer:University of Naples
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: Dehne, Tobias
Deposited On:20 Jul 2012 10:07
Last Modified:20 Jul 2012 10:07

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