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Local similarity model of cross-ventilation - Part 1 : Modelling and validation

Kurabuchi T, Ohba M, Fugo Y, Endoh T, 2002
mathematical modelling | natural ventilation
Bibliographic info: Proceedings of Room Vent 2002 (8th International Conference on Air Distribution in Rooms) - 8-11 september 2002 - Moltke's palace, Copenhagen - Denmark - pp 613-616, 15 Fig., 1 Tab., 2 ref.
Languages: English

LES (Large Eddy Simulation) has bben used to simulate cross ventilation under various wind direction angles. A new model, named local similarity model of cross ventilation, is proposed to estimate cross-ventilation flow rate and inflow angle at opening. In order to validate the proposed model, a wind tunnel experiment using a building model was carried out. The results confirm that dynamic similarity is established almost regardless of wind direction angle and position of the opening.


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