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Hybrid ventilation and user behaviour in summer

: Pfafferott, J.; Herkel, S.; Knapp, U.

Fulltext urn:nbn:de:0011-n-750554 (123 KByte PDF)
MD5 Fingerprint: fc37ae3a08ad841a42c13c3be8bc0dd6
Created on: 13.6.2008

International Energy Agency -IEA-, Paris; Air Infiltration and Ventilation Centre -AIVC-, Coventry:
Ventilation and retrofitting. AIVC Conference 2004. Proceedings. CD-ROM : Prague, Czech Rep., September 2004
Coventry: AIVC, 2004
ISBN: 2-9600355-6-9
Air Infiltration and Ventilation Centre (AIVC Conference) <25, 2004, Prague>
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Gebäudekonzepte; Energieeffiziente und solare Kühlung; Gebäudekonzepte; Energieeffiziente und solare Kühlung

Hybrid ventilation is one promising approach to reduce energy consumption in office buildings. On the one hand, a minimum air change rate is supplied to the rooms , even if the windows are closed. On the other hand, the energy demand for ventilation can be reduced if natural forces (wind and buoyancy driven air flow) are used to ventilate the building. The user behaviour has an important but often unknown influence on the thermal building performance and the indoor climate. Thus, an accurate user model should be used in designing hybrid ventilation. This paper focuses on the data evaluation of measurements at the institute building of Fraunhofer ISE [SolarBau:Monitor (2004 a)] concerning user attendance and user behaviour with regard to the use of blinds, equipment and windows in 16 offices. The stochastic user behaviour is derived from a data analysis, is taken into account by a Monte Carlo-simulation and is compared with the assumptions from the design phase.