In order to assess the stability of airflow of air-conditioning system with the pore plate outlet,experiment and numerical simulation are combined to research it. This numerical simulation method helps the design and improvement of outlet system to form reasonable airflow as well as to meet the technical demand for excellent heat exchange and ventilation. The airflow of the outlet system of air-conditioning as well as the indoor airflow of air-conditioning room is simulated. The results of the simulation, which include velocity field, pressure field, are compared with them of the experiment results. Through the comparison of the simulation results and experiment results, it can be found that the farther from the pore plate the airflow is, more even it is. The airflow of working area,where the experiment is carried on, is relatively steady. Although there are vortices exist in the static chamber, they have little impact on the airflow of total environment room actually. This research provides both theoretical and experimental evidence to the improvement of the airflow.And numerical simulations also give a more direct, visual method for the research on the airflow.
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