地板辐射供暖室内热舒适性分析  

Analysis on Indoor Thermal Comfort of Radiant Floor Heating

作　　者：赵忠超[1] 蒋朋朋 赵凯[1] 沈仁东 

机构地区：[1]江苏科技大学能源与动力工程学院,镇江212003

出　　处：《科学技术与工程》2018年第1期321-328,共8页Science Technology and Engineering

摘　　要：采用试验和数值仿真方法分析研究了地板辐射供暖室内舒适性。研究结果表明:随着进水温度不断提高,室内温度呈现上升趋势,在竖直方向温度出现分层现象,且室内温度分布的实验值略低于模拟值;针对进水为45℃、50℃、55℃3种不同工况,结合室内温度分布、PMV-PPD指标以及室内速度分布状况分析可知,进水为50℃时室内具有最佳的温度与热舒适度;对于3种工况下的室内空气流动状况,均在人体可接受范围以内,对室内热舒适性影响较小。The thermal comfort of floor radiant heating was investigated by experimental and numerical methods.The results show that: with the increase of the inlet water temperature,the indoor temperature appears a gradual upward trend,and the vertical temperature appears stratification phenomenon and the values of indoor temperature measured are slightly lower than the numerical calculated values. The thermal comfort with 50 ℃ inlet water approach better condition through comparing the PMV-PPD index,indoor temperature distribution and inlet water temperature of 45 ℃,50 ℃ and 55 ℃. Indoor air flow in the three conditions is both within the body acceptable range,and the impact on indoor thermal comfort can be ignored.

关 键 词：辐射采暖 温度分布 PMV-PPD 速度分布 热舒适性 工况分析 

分 类 号：TU832.1[建筑科学—供热、供燃气、通风及空调工程]