What is the equation for fan flow?

The equation for fan flow is represented accurately by the choice that states Q = CA(2∆P/ρ)^n. This equation describes the relationship between the airflow rate (Q) and several key parameters involved in fan testing and performance.

In this context, Q stands for the volumetric flow rate, which is a crucial metric in measuring how much air passes through the fan system. The parameters A and C are factors relating to the specific characteristics of the fan and system it operates within. The term (2∆P/ρ) reflects the pressure difference (∆P) across the fan and the density (ρ) of the air, which are vital in understanding how effectively the fan can move air against resistance. The exponent n can indicate how the airflow behaves under varying conditions, which is essential for different fan types and scenarios, further showcasing the relation between flow and pressure.

This equation is fundamental to understanding and designing efficient ventilation systems, as it allows practitioners to calculate expected airflows under given operating conditions. Proper application of this formula ensures that building ventilation meets required standards, significantly impacting energy efficiency and indoor air quality.