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Total energy performance of the air conditioning system using outdoor air cooling potential

Udagawa, M.; Nagata, T., 2003
energy efficiency | heat recovery | passive cooling
Bibliographic info: 8th IBPSA International conference and exhibition on building simulation- Technische Universiteit Eindhoven - August 11-14 - 2003 - Session 8A2 - Applications -
Languages: English

From the view point of designing the energy efficient air conditioning system with maximized ventilation, the possibility of an all fresh air system was discussed using the simulation results of a model building in Tokyo. The algorithm of single duct cooling system for simulating the cooling coil of air handling unit based on the heat balance model of whole system components is also described as a base for the simulation of cooling effect of ventilation fresh air. The simulation results show that the coil cooling load of the all fresh air system with an overall heat recovery system is the smallest among three Cases. The heat recovery in the midsummer contributes to decrease the increased cooling coil load of all fresh air system which is an energy efficient system in the middle season when the ambient air temperature is lower than the room set point temperature.


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