我国南方地区吸湿性墙体内霉菌滋生风险评估

发布时间：2018-06-08 14:00

本文选题：环境工程学 + 南方地区　；参考：《安全与环境学报》2017年02期

【摘要】：以温度和相对湿度为驱动势建立吸湿性墙体热湿耦合迁移数学模型,并通过权威案例验证模型。根据霉菌滋生条件,建立了基于瞬态温湿度及其持续时间的墙体内霉菌滋生风险评价方法。以红砖墙体为例,分析太阳辐射、室内空气温湿度对墙体内霉菌滋生风险的影响,并研究了我国南方各地墙体霉菌滋生风险。结果表明:太阳辐射越弱墙体内霉菌滋生风险越大,室内相对湿度升高使墙体内侧霉菌滋生风险快速增长,室内温度升高使墙体内、外侧霉菌滋生风险分别升高、降低;我国南方绝大部分地区墙体外侧存在霉菌滋生风险,总体上呈现东部比西部高、南部比北部高的趋势。
[Abstract]:Taking temperature and relative humidity as driving force, the mathematical model of thermal-moisture coupling migration of hygroscopic wall is established, and the model is verified by an authoritative case. According to the breeding conditions of mold, the risk assessment method of mold breeding in walls based on transient temperature and humidity and its duration was established. Taking red brick wall as an example, this paper analyzes the influence of solar radiation and indoor air temperature and humidity on the risk of mold breeding in the wall, and studies the risk of mold breeding in the wall in southern China. The results showed that the weaker the solar radiation, the greater the risk of mold breeding, the higher the indoor relative humidity, the higher the risk of mold breeding, and the higher the indoor temperature, the higher the risk of mildew breeding inside and outside the wall, respectively. There is a risk of mold breeding on the outside of the wall in most parts of southern China, which is higher in the east than in the west and higher in the south than in the north.
【作者单位】：湖南大学土木工程学院;南华大学土木工程学院;南昌大学建筑工程学院;
【基金】：国家自然科学基金项目(51408294,51208247,51078127)
【分类号】：X506;R117

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