Airflow Requirement (\( Af \)):

\[ Af = C \times SAF \]

Where:

• \( Af \) is the airflow rate, in cubic meters per minute (m³/min).
• \( C \) is the dryer capacity, in tons.
• \( SAF \) is the specific air flow rate, in cubic meters per minute per ton (m³/min-ton).