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VENTILATION SYSTEMS MANAGEMENT FOR INTERMITTENT OCCUPANCY BASED BUILDING

El Mankibi, M., 2007
Intermittent Occupancy | ventilation | control strategies | energy efficiency | IAQ
Bibliographic info: The 6th International Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings IAQVEC 2007, Oct. 28 - 31 2007, Sendai, Japan
Languages: English

When a building is used only for intermittent occupancy, continuous operation of ventilation system isnot necessary for achieving good indoor air quality during the occupation periods. Such buildings havea great energy saving potential which is not harnessed enough yet. Indeed, energy loss can be avoidedby promoting natural means and managing mechanical ones. Therefore, control strategies based ontime and/or occupancy scheduled ventilation associated to pre-purge ventilation constitute a key for anenergy efficient ventilation system.The purpose of this paper is to provide recommendations on the management and the control ofventilation systems in case of intermittent occupancy. Thus, several surveys and experimentationswere carried out using both ENTPE classrooms and an experimental apparatus in order to characterizeexisting ventilation systems and to test our control strategies. Those strategies have been developedand tuned using a simulation tool (HYBCELL) based on finite differences and pressure air flow models.


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