Abstract
This thesis analyzes the exhaust system of residential kitchen existing problems of indoor air quality. Discusses how to making up air to balance indoor air, eliminate the traditional system defects, through in the hearth additional secondary air tuyere through using the CFD----fluent6.2 simulation software simulates the airflow organization of the kitchen exhaust system if making up air . Analyze the kitchen indoor airflow velocity distribution, and the pressure distribution and velocity vector in the different condition. Under the action of differential pressure, outdoor air is sucked into the kitchen so as to achieve the reasonably airflow organization and get rid of foul gas effectively.
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