We analyze the ventilation efficiency of the houseroom by comparing the indoor flow situation and distribution of mean air age under different inlet air velocities and different inlet air directions.

• 通过比较相同风向、不同进风速度以及相同进风速度、不同风向下的住户室内流场情况和空气龄分布情况分析了住户内的自然通风效果。