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本文研究了办公建筑中采用孔板送风时所需的最小新风量,参考并采用我国的GB 50736—2012《民用建筑供暖通风与空气调节设计规范》、《日本空调设计手册》、美国ASHRAE Stand62.1—2010中的标准送风量分别进行送风,在每个新风标准下调节人员密度,以引起人体头痛、闷热的室内CO2浓度0.1%作为标准进行比较,得出办公建筑采用孔板送风时人员移动与静坐两种状态时不同的人员密度所对应的最小新风量标准。实验结果表明:在人员移动时,人员密度小于等于0.21人/m2时建议采用美国ASHRAE Standard62.1—2010的新风标准推荐值,当人员密度介于0.21人/m2与0.28人/m2之间时建议采用《日本空气调节手册》的新风标准推荐值;当人员密度介于0.28人/m2与0.42人/m2之间时建议采用我国的GB50736—2012《民用建筑供暖通风与空气调节设计规范》的新风标准推荐值。在人员静坐时,人员密度小于等于0.14人/m2时建议采用美国ASHRAE Stand62.1—2010或者《日本空气调节手册》的新风标准推荐值;当人员密度介于0.14人/m2与0.21人/m2之间时建议采用《日本空气调节手册》的新风标准推荐值;当人员密度介于0.21人/m2与0.35人/m2之间时建议采用我国的GB 50736—2012《民用建筑供暖通风与空气调节设计规范》的新风标准推荐值。人员静坐时呼吸区的CO2浓度比人员移动时的CO2浓度高15%左右,办公建筑中人员处于移动与静坐的交叉状态,因而进行新风量选择时可按人体静坐时的标准进行选择。
This paper studies the minimum fresh air volume required when using the orifice to supply air in office buildings. Reference is made to our country’s GB 50736-2012 “Code for Design of Heating, Ventilation and Air Conditioning in Civil Buildings”, “Design Manual of Air Conditioners in Japan”, ASHRAE Stand62 .1-2010 in the standard amount of air were sent to the air in each fresh air standard to adjust the staff density to cause headaches in the body, hot indoor CO2 concentration of 0.1% as a standard comparison, draw the office building using the plate to send When the wind movement and sit-in two states of different staff density corresponding to the minimum amount of fresh air standards. The experimental results show that the recommended fresh air standard of American ASHRAE Standard 62.1-2010 is recommended when the personnel density is less than or equal to 0.21 person / m2 when the staff moves. When the staff density is between 0.21 person / m2 and 0.28 person / m2 It is recommended to adopt the fresh air standard recommended value of “Japan Air Conditioning Manual”; when the density of personnel is between 0.28 person / m2 and 0.42 person / m2, it is recommended to adopt China’s GB50736-2012 “Code for Design of Heating, Ventilation and Air Conditioning in Civil Buildings” Fresh air standard recommended value. In the sit-in personnel, the staff density is less than or equal to 0.14 people / m2 recommended the United States ASHRAE Stand62.1-2010 or “Japan Air Conditioning Manual,” the fresh air standard recommended value; when the personnel density between 0.14 people / m2 and 0.21 people / m2 Recommended between the time of the “Japan Air Conditioning Manual,” the standard recommended fresh air; when the staff density between 0.21 people / m2 and 0.35 people / m2 between the proposed use of China’s GB 50736-2012 “civil building heating, ventilation and air conditioning Design Code, ”the standard recommended fresh air. The CO2 concentration in the respiratory zone of a person sitting in a sit-in is 15% higher than that of the CO2 concentration in a moving person. The staff in the office building is in a cross between the mobile and the sit-in. Therefore, the fresh air volume can be selected according to the standard when the body is seated.