赣南地区低温地板辐射采暖效果研究.doc

赣南地区低温地板辐射采暖效果研究 石发恩，付奇，赵运超，肖梅 （江西理工大学建筑与测绘工程学院,江西 赣州 341000） 摘 要：赣南地区属于夏热冬冷地区,被列为非采暖区,冬季室内热舒适性较差.由于各方面的原因,人们对居住环境的要求越来越高,迫切需要改善室内热舒适性.结合赣南地区冬季气候及地域特点,研究低温地板辐射采暖的效果,并与空调采暖进行对比.利用CFD理论分别对该采暖室在两种采暖方式下的室内热环境进行数值模拟,分析室内空气温度场、湿度场,并用PMV-PPD评价指标对室内热环境进行评定.研究表明,与空调采暖相比低温地板辐射采暖:室内热环境更加舒适;室内设计温度可降低2~3 ℃,能节约15 %的能量,有利于节能环保. 关键词：赣南地区；采暖；CFD；热舒适性 Research Effect Of Low Temperature Floor Radiant Heating In South Jiangxi Region SHI Fa-en, FU Qi, ZHAO Yun-chao, XIAO Mei （School of Architectural and Surveying Mapping Engineering,Jiangxi University of Science and Technology,Ganzhou341000,China） Abstract：South Jiangxi region is cold winter and hot summer areas,are classified as non-heating zone,indoor thermal comfort is poor in winter.Because of various reasons,comfort of the living environment demands higher and higher,there is an urgent need to improve the indoor environment.Combining with south jiangxi region climate and geographical features,research the effect of low temperature floor radiant heating and compared with heating of the air conditioning.Respectively numerical simulated that under two kinds of heating means for thermal environment in the heating room by using CFD software,analysis air temperature and humidity fields and use the PMV-PPD to evaluation index of room thermal environment.The results show that low temperature floor radiant heating not only indoor thermal environment more comfortable but also indoor design temperature can reduce 2 ~ 3 ℃,which can save 15 % of the energy.It is beneficial to energy conservation and environmental protection.? Key words：South Jiangxi region；Heating；CFD；Thermal comfort 收稿日期：基金项目： 收稿日期： 基金项目：江西省教育厅基金项目(2014GJJ14463);江西省教育厅科学技术项目(GJJ14463) 作者简介：石发恩(1976-),男,副教授,主要从事能源应用与节约关键技术研究工作,E-mail:759991152@. 赣南地区冬季平均气温为7.7 ℃左右、相对湿度高达77 ％ ADDIN NE.Ref.{016C453F-D7CA-402D-A07D-C80C8425732C}[1],受到全球温室效应和极端气候的影响,在未来的几十年里冬季环境会更加恶劣.但该地区属于夏热冬冷地区,被国家列为非采暖区,冬季不采暖导致室内阴冷潮湿,温度低于建筑热环境卫生学下限标准甚至接近0 ℃ ADDIN NE.Ref.{016C453F-D7CA-402D-A07D-C80C8425