This observation had drawn attention to the importance of accounting for airflow that is not simply flowing straight into the intake component, but also the flow from all angles, possibly entering the intake components from all angles and the creation of turbulent flow at the opening of the intake. It had thus sparked off an iteration of modeling the airflow through these components, in which the model for the environmental air is being expanded from simply a cross-sectional area at the opening of the system, to a significantly larger environment to simulate the possibility of air entering the components from side-wards angles. This improved model is documented in the section named “Improved Model for Environmental Pressure Simulation” on page 60.