Abstract
The central air-conditioning system attract people’s attention because the thermal comfort can be improved by arranging the air outlets properly. Moreover, various blow out conditions may be adopted to improve the indoor thermal environment. In this research, simulation studies to improve the accuracy of CFD by Momentum method under various blow out conditions has been conducted. Firstly, the airflow distribution under each blowing condition was measured by isothermal condition. Then, the simulation method by Momentum method is proposed. In addition, airflow evaluation method of diffused airflow and oblique-blowing airflow are proposed. Finally, an efficient acceleration determination method is proposed.
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