Ventilation systems in high-rises are complex due to the reversed stack effect, sealed windows, and pressure differentials, necessitating specialized designs.
Ventilation systems in high-rises are more complex than in smaller buildings due to the phenomenon known as the stack effect. In high-rises, the stack effect is reversed, meaning air is drawn into the building at lower levels and expelled at higher levels, requiring specialized systems to properly ventilate the entire structure and maintain air quality.
One key reason for the complexity of ventilation systems in high-rises is the presence of sealed windows. Unlike in smaller buildings where windows can be opened to allow natural ventilation, high-rises often have sealed windows to maintain energy efficiency and control indoor climate, necessitating mechanical ventilation systems.
Another factor contributing to the complexity of ventilation systems in high-rises is the need to counteract pressure differences caused by the building's height and sealed spaces. These pressure differentials can impact airflow patterns and require sophisticated mechanical ventilation designs to ensure proper air circulation and air quality throughout the building.
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