Performance Testing
CFD Rain & Wind Performance Assessment
To assess louvre performance under extreme weather conditions, the Computational Fluid Dynamics (CFD) simulations were conducted to replicate wind‑driven rain events at varying intensities.
The simulations model wind forcing rain toward the louvre at different Core Velocity levels (measured in metres per second), representing increasing wind severity. This approach allows for a controlled comparison of rain ingress performance as wind speed escalates.
Each test visualises the interaction between airflow, rain trajectory, and the louvre geometry, providing insight into how the system responds under realistic monsoonal loading.
Understanding Core Velocity
Core Velocity refers to the primary wind speed within the simulated airflow stream impacting the louvre. As Core Velocity increases:
- Wind pressure on the louvre intensifies
- Rain particle momentum increases
- The likelihood of rain being forced deeper through the louvre system rises
Testing across multiple Core Velocity values ensures performance is evaluated not only under typical conditions, but also during peak wind events.
CFD Test Scenarios
Test 01: Lower Core Velocity
This test establishes a reference point for rain behaviour and airflow interaction when wind speeds are present but not extreme.
Test 02: Medium Core Velocity
At this level, wind energy significantly alters rain trajectories, providing insight into transitional performance as conditions intensify.
Test 03: Higher Core Velocity
This scenario replicates extreme conditions to evaluate louvre resilience when subjected to intense wind pressure and driving rain.
