Anew modd llas been proposed f()r evaluating tho discharge coe 価 cient and now angle at an inflow opening fbr cross ・ ven 田 ation based on the previous analysis of the flow struCture by the Large Eddy Simulation . This model is based on the idca that the cross − ventilation fiow structure in the vicinity of an inflow opening creates dynamic similarity under the。ondition 血 紬 e r飢 io of 。ross − venti 圃 on driv 洫 g pressure to dyn ic pressure of cross flow at the opening is consist ¢ nt . Wind

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... el model s 色 udy was carri¢ d out to reprodu cross − ventilation by attaching suction 鉛 n aI the Ieeward side of the building model . Discharge c 朋 oi ts at stagnant surrounding condition w 職 s 鳳 ion now correspond well with those exposed to extema 旦wi 恥 d with eXtremcly la 【 ge suction 且ow . Total pressure at the opening is preserved even when flow is separated a ' ヒthe upstrcam comeL 瓱 was con 石mled that th¢ proposed mOdel can be applied to almost any direCtions and opening positions .