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在对通风空调系统现有气流组织形式对比分析的基础上,提出了一种基于竖直壁面贴附式送风的新型气流组织形式。采用实验验证后的SST k-ω模型,对不同送风温度和速度下房间温度场和速度场分布进行了数值模拟研究,同时分析了排风口位置、房间尺度、送风口位置对该气流组织形式的影响。研究表明,送风速度是该模式气流组织特性的主要影响因素。房间气流组织效果与房间尺度和送风口位置有较大关系,受排风口位置影响较小。通过合理的参数设置,能够实现竖直壁面贴附式送风模式在现有建筑通风空调系统中的工程应用。
Based on the comparative analysis of the existing airflow patterns in ventilation and air conditioning systems, a new airflow pattern based on the vertical wall-attached airflows was proposed. The experimentally verified SST k-ω model was used to simulate the temperature field and velocity field in different room temperatures and velocities. At the same time, the location of air vents, the room dimensions and the location of air vents were analyzed. Form of influence. The research shows that the blowing speed is the main influence factor of the airflow characteristics in this model. The airflow effect of the room has a great relationship with the room scale and the location of the air outlet, which is less affected by the location of the air outlet. Through reasonable parameter setting, it can realize the engineering application of the vertical wall attached air supply mode in the existing building ventilation and air conditioning system.