Reference : VOLUME FLOW UNBALANCES AND SHORTCUTS IN DECENTRALIZED AND CENTRALIZED VENTILATION UNI...
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Engineering, computing & technology : Energy
http://hdl.handle.net/10993/22936
VOLUME FLOW UNBALANCES AND SHORTCUTS IN DECENTRALIZED AND CENTRALIZED VENTILATION UNITS – FIELD TESTS IN RESIDENTIAL BUILDINGS
English
Merzkirch, Alexander mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Maas, Stefan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Scholzen, Frank mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Waldmann, Danièle mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2014
Yes
International
45th KGH HVAC&R conference
03-12-2014 to 05-12-2014
Belgrad
[en] ventilation ; residential building ; decentralized ; centralized ; energy efficiency ; user-comfort
[en] Centralized and decentralized mechanical ventilation have become state-of-the-art in modern energy-efficient residential buildings. Calculations for the energy demand of buildings are done with nominal values of the ventilation units, assuming a proper function of the devices. The used ventilation concepts may be divided into two main categories- centralized and decentralized units and both come with advantages and disadvantages in terms of energy efficiency. In Luxembourg, a comprehensive field test has been performed in order to evaluate and compare their performance in practice. It could be shown that ventilation systems often do not meet the expectations. High unbalances in volume flows, high sensitivity to pressure differences and recirculation were measured in several cases. Only a proper installation and balancing of the systems can ensure an energy efficient function.
University of Luxembourg - UL ; Société Nationale des Habitations à Bon Marché (SNHBM) ; Fonds National de la Recherche - FnR
http://hdl.handle.net/10993/22936

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