摘要
为研究高原非耕地地区日光温室热环境的变化规律,对2014年12月至2015年3月内蒙古阿拉善盟典型日光温室的室外温度、室内温度、地表下10cm的土层温度、前屋面及后屋面的热流量变化情况进行测定,分析不同天气条件下,日光温室气温、地温、热量情况。结果表明:该地区典型温室日均温度为5~30℃,室内晴天最低温度为2~6℃,阴天2~8℃,室内最高温度20~30℃,室内外温差15~25℃,室内地温为7~13℃,变化较室外晚1.5h;热传递方面,晴天热流量峰值出现在14:00,阴天出现在盖帘后的2~3h。确定晴天14:00及阴天13:00为温室合理灌溉及通风换气的时间,不仅为进一步探究高原非耕地地区日光温室热环境特性提供了依据,还为温室不同时间不同类型作物的管理方式、温室结构的改良提供了思路。
To study the thermal change rule of solar greenhouse in the non-cultivated plateau,the temperatures of outdoor indoor,and 10 cm soil layer were measure,and the heat flow change of the front and back roof was also detected in Alxa League,Inner Mongolia from December in 2014 to Marchin 2015,and the solar greenhouse temperature,ground temperature and heat were analyzed under different weather conditions.The result shows that the average daily temperature of the greenhouse in the region was ranged from 5 ℃to 30 ℃,the minimum indoor temperature was 2 ℃-6 ℃in sunny day,and 2℃-8℃in cloudy day;the indoor maximum temperature was 20℃-30℃,the indoor and outdoor temperature difference was 15 ℃-25 ℃,the indoor ground temperature was 7 ℃-13 ℃,changed later for 1.5hthan the outdoor;in terms of heat transmission,the heat flow peak appeared in14：00in sunny day,and 2h-3hafter covering curtain in cloudy day.It was determined that 14：00in sunny day and 13：00in cloudy day was appropriate time for the irrigation,ventilation and air exchange for the greenhouse,which not only provides the basis for the study on the characteristics of solar greenhouse thermal environment in non-cultivated plateau,but also provides reference for the management of different crops in greenhouse,and improvement of the greenhouse structure.
出处
《西北农业学报》
CAS
CSCD
北大核心
2017年第8期1230-1238,共9页
Acta Agriculturae Boreali-occidentalis Sinica
基金
国家公益性行业(农业)科研专项(201203002)
陕西省科技统筹项目(2016KTCL02-02)~~
关键词
非耕地
日光温室
温度
热流量
Non-cultivated land
Solar greenhouse
Temperature
Heat flux
