 
             
             
             
            | ● The case of an independent low rise building | 
| ● The case of an independent high rise building | 
| ● Combination of the low rise and high rise buildings | 
| ● The case at a high−rise building with well | 
| ● Ventilated house by the natural wind | 
| ● The case which installed the bluff body in the center of the room model | 
| ● The case that the contaminants was emitted from the human body model installed in the center of the room model | 
This study was conducted by experimental and numerical method to analyses the ventilation efficiency for commercial and house kitchen.
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