摘要
本实验根据季节的变化 ,在日光温室内采用了不同的方式进行小风量强制通风实验 ,结果表明 :1.直接开启风机 ,由导风管送气 ,一小时内使空气绝对湿度降低 11hpa左右。 2 .加风筒开风机 ,由导风管送气 ,一小时内使绝对湿度降低 6 .5hpa。 3.关闭进风口 ,只由风机抽风 ,开风机 2 0分钟内 ,可使绝对湿度降低 4hpa。小风量强制通风 ,不但降低了室内空气湿度 。
As the season chenged, the experiment adopted different forced ventilation approached in sunlight greenhouse. The results of experiment are as following:1)Absolute humidity was reduced approximately 11 hpa after turning on fan for 1 hour; 2) Absolute humiduty was reduced approximately 6.5 hpa at the situation of ventilation with exhaust pipe for 1 hour; 3) After turning on the fan, the absolute humidity was reduced 4 hpa at the situation of only exhaust. The forced ventilation was not only reduced the air humidity in sunlight greenhouse, but also had its active signifcance to exhaust nullifying gas.
出处
《宁夏农学院学报》
2000年第2期46-50,共5页
Journal of Ningxia Agricultural College
基金
宁夏区科委资助课题