摘要
为提高避险人员的生存舒适品质,建立基于密闭小空间的载人试验,对人体热舒适的温湿度耦合影响进行了定量分析和研究,验证了避难硐室配置制冷除湿装置的必要性,并对硐室内温湿度的主要扰动源进行分析和计算.采用CFD技术,构建了氧气瓶供氧时的避难硐室三维模型.模拟结果表明:无空调时避难硐室温湿度在9 h内能达到33℃,90%,即人体闷热的环境条件;通过制冷除湿装置能有效地将其控制在30℃,83%以下.通过现场载人试验,验证了数值模拟的可靠性,并得硐室内温度达到28℃时,相对湿度应控制在80%以下.为避险设施设计提供指导性依据.
To improve living comfort quality in refuge chamber, based on manned test in small confined space, coupling effect of temperature and relative humidity （RH） on body thermal comfort was quantitatively analyzed, which verifies the necessity to configure the apparatus in refuge chamber. The main disturbance sources affecting on temperature and RH were analyzed, and the key parameters were calculated. Using CFD technology, three-dimensional model of refuge chamber with oxygen bottle supply was constructed. Without air conditioning, the internal temperature and RH are up to 33℃, 90% within 9 h, where the human being has felt muggy. In this respect, cooling and dehumidifying apparatus can effectively control temperature and RH at 30 ℃, 83% or less. Finally, the feasibility of the simulation process is verified, and it is deemed that RH can be controlled at 80% or less when the temperature reaches to 28 ℃. This provides basis guidance for the design of underground mine refuge chamber in future.
出处
《东北大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2014年第11期1636-1640,共5页
Journal of Northeastern University(Natural Science)
基金
"十二五"国家科技支撑计划项目(2012BAK09B00)
关键词
密闭空间
避难硐室
人体热舒适
温湿度分布
数值模拟
confined space
refuge chamber
human thermal comfort
temperature and relative humidity distribution
numerical simulation
