The cross-sectional area of an inline piston engine’s air intake in aircraft design is an important parameter that determines the size of the engine’s intake. The formula for cross-sectional area (A) can be defined as:
– A is the cross-sectional area (in square meters, m²).
– ṁ is the mass flow rate of air entering the engine (in kilograms per second, kg/s).
– ρ is the air density (in kilograms per cubic meter, kg/m³).
– V is the velocity of the air entering the engine (in meters per second, m/s).