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Energy performance of façade integrated decentralised ventilation systems

  • The current methods used to assess the energy performance of ventilation devices do not consider all the aspects necessary for a comprehensive evaluation of decentralised ventilation concepts and can only be partially adapted to their needs. In order to improve the energy evaluation and to ensure the comparability of different systems, a calorimetric method was developed and implemented in testThe current methods used to assess the energy performance of ventilation devices do not consider all the aspects necessary for a comprehensive evaluation of decentralised ventilation concepts and can only be partially adapted to their needs. In order to improve the energy evaluation and to ensure the comparability of different systems, a calorimetric method was developed and implemented in test facilities for the evaluation of two decentralised devices: one equipped with a recuperative counter flow heat exchanger and one with a regenerative heat exchanger. This method, based on direct measurements of the heating load in an insulated test room, includes the effect of the electrical consumption of the fans on the energy performance of the ventilation devices. The calorimetric evaluation method was extended to a seasonal evaluation on the basis of a heating-degree-day method implemented for a warm, a cool and a moderate location in Europe: Athens, Strasbourg and Copenhagen. All the results are above 50% efficiency for both devices, even in Athens where the use of heat recovery ventilation is not usual.show moreshow less

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Metadaten
Author:Fabien Coydon, Sebastian Herkel, Tejas Kuber, Jens PfafferottGND, Sascha Himmelsbach
Year of Publication:2015
Language:English
GND Keyword:Belüftung; Fassade; Gebäudeleittechnik; Klimatechnik
Parent Title (English):Energy and Buildings
Volume:107
ISSN:0378-7788
First Page:172
Last Page:180
Document Type:Article (reviewed)
Open Access:Frei zugänglich
Institutes:Bibliografie
Release Date:2017/06/22
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1016/j.enbuild.2015.08.015