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物资洞库的实际使用状况是在干燥季节抓紧通风,潮湿季节严格密闭。所以,主要研究密闭期间壁面的稳定散湿量。又因物资洞库无热源,在洞库壁体内不存在温度梯度,问题就只限于以液相和汽相水分迁移的单向质传导过程。采用硫酸溶液静态法就更符合实际情况。其原理用一个特制的密闭潮湿箱,在箱内放硫酸溶液,相隔一定时间,称量硫酸溶液的增量
The actual use of material caverns is to facilitate ventilation in the dry season and close the wet season. Therefore, we mainly study the stable moisture content of the wall during sealing. Because there is no heat source in the material cavern, there is no temperature gradient in the wall of the cavern, and the problem is limited to the one-way mass transfer process in the liquid and vapor phase. The use of sulfuric acid solution static method is more in line with the actual situation. The principle is to use a special closed moisture box, put the sulfuric acid solution in the box, at a certain time, measure the increment of sulfuric acid solution.