Full representation of supply openings for indoor airflow simulation.

The paper reviewed the supply opening models of describing inlet boundary conditions for indoor airflow simulation firstly. Then examples of isothermal free air jets from a grille are presented to validate full representation of supply openings. Some results by the simplified method called N-point supply opening model, are also shown to compare with the full representation method. Four different outlet conditions of a grille are studied. The k-e turbulence model is applied. Comparison between simulated results and measured data shows that full representation is a reliable method for inflow boundary conditions description. Therefore, some other new models or methodscan be developed based on full representation method as it is a universal and trusty method for describing inlet boundary conditions of indoor airflow simulation.