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某停车场的CFD模拟

Airpak can be used to simulate the airflow in a parking garage. In this application, the five-story parking garage, planned by Mechanical Design Studio of Concord, CA, was designed to fit within the perimeter of an apartment building complex. In order to minimize ducting, it was decided that the ground floor automobile access should be used as the source of fresh-air entrainment for the garage. It was proposed that air-moving devices be placed on each level to enhance the movement of air in a spiral motion throughout the facility.

Airpak model of the parking garage

A three-dimensional model of the garage was created using Airpak. On each floor, recirculating fans were used to draw the air in a spiral motion through the floor and up the ramps, while a centrifugal blower was used to draw exhaust air out a common stack that originates on the second floor. CFD modeling using Airpak was used to determine the effectiveness of this ventilation strategy.

Velocity vectors illustrating the flow paths and speeds

The project provided invaluable information that confirmed the effectiveness of the ventilation design. By performing the analysis prior to construction, there will be a significantly reduced risk of retrofit once the building construction has been completed.

Isosurface where the mean age of air is 400 seconds (6.7 minutes)




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