技术中心

【英文篇名】 Study of ground floor heat transfer coefficients 【作者中文名】 朱新荣; 刘加平; 【作者英文名】 Zhu Xinrong Liu Jiaping Xi an University of Architecture and Technology; Xi an; China; 【作者单位】 西安建筑科技大学; 【文献出处】 暖通空调, Heating Ventilating 传热系数; 热流量; 当量传热系数; 【英文关键词】 ground floor; heat transfer coefficient; heat flux; equivalent heat transfer coefficient; 【摘要】 总结了目前建筑热工计算和建筑热负荷计算中底层地面传热系数的处理方法。通过对热流相加法处理地面问题的分析,提出了一种新的用于计算底层地面传热系数的方法,即由热流量计算地面的当量传热系数。对西安地区几种典型地面进行了计算,结果表明该方法能很好地反映地面的传热状况。 【英文摘要】 Reviews the methods dealing with heat transfer coefficients of ground floors used in building thermal characteristic and heating load calculation.Proposes a new method to calculate the heat transfer coefficients based on the superposition principle of heat flux i.e.using heat flux to calculate equivalent heat transfer coefficients.The calculation results of several kinds of ground in Xi an show that this method proves to reflect heat transfer status of ground very well.