Division 3.2.4 Solid blockage ratio
The vehicle blockage ratio εsb expressed as the quotient of the vehicle frontal area and the area of the nozzle outlet as calculated using the following equation, shall not exceed 0,35.
where:
εsb Af Anozzle
is the vehicle blockage ratio;
is the frontal area of the vehicle, m2;
is the nozzle outlet area, m2.