Flow Network Modelling simulates airflow, cooling, and pressure distribution using a network of nodes and branches, instead of detailed 3D geometry like CFD. It’s faster to set up, ideal for large-scale system evaluations like condenser water networks, and complements CFD for critical facility design.
FNM is most effective during early design or system-level studies where multiple airflow paths and equipment loads must be analyzed quickly. It’s often used for data centers, substations, and large ventilation systems before detailed CFD refinement.
FNM provides rapid insights into pressure drops, airflow balance, and cooling capacity. It reduces design risks, highlights potential bottlenecks, and saves cost by identifying inefficiencies early before detailed CFD or construction.