|
|||||
|
|
| 小匡体复合保温墙体热工性能分析 | |
| 引用本文： | 李建光,童丽萍. 小匡体复合保温墙体热工性能分析[J]. 郑州大学学报(理学版), 2011, 43(4) |
| 作者姓名： | 李建光 童丽萍 |
| 作者单位： | 郑州大学土木工程学院 河南郑州450001 |
| 基金项目： | 河南省重大公益科研项目,编号081100910400; 郑州市重大科技攻关项目,编号082SGZS32079; 郑州大学研究生科学研究基金资助项目,编号重点类A181 |
| 摘 要： | 基于墙体非稳定传热的物理模型,以热力学能量理论写出非稳定传热的导热微分方程,并根据房屋内外壁实测的温度拟合成简谐温度波作为外部扰量.采用第三类边界条件,计算出小框体复合保温隔热体系的内壁面温度、热流密度、衰减倍数及延迟时间等性能指标,在此基础上计算出不同构造墙体的热流量.计算结果表明,该体系相对于聚氨酯保温隔热体系热流量单位面积内降低3.4％；相对于聚苯乙烯保温隔热体系热流量单位面积内降低7.1％,从而证明了小框体复合保温隔热体系的优越性. |
| 关 键 词： | 小框体 热工性能 衰减倍数 延迟时间 热流密度 |
Thermal Technical Performance Analysis For Xiaokuangti External Wall Insulation System |
|
| LI Jian-guang , TONG Li-ping. Thermal Technical Performance Analysis For Xiaokuangti External Wall Insulation System[J]. Journal of Zhengzhou University(Natrual Science Edition), 2011, 43(4) | |
| Authors: | LI Jian-guang TONG Li-ping |
| Affiliation: | LI Jian-guang,TONG Li-ping(College of Civil Engineering,Zhengzhou University,Zhengzhou 450001,China) |
| Abstract: | Based on the physical model of unsteady heat transfer,the unsteady heat-conduction differential equations under the third boundary on the principle of the thermodynamic theory were written.With the measured amount of outdoor temperature for the external disturbance,the heat flux density,attenuation coefficient,delay time and other performance indicators of the xiaokuangti composite thermal insulation system were calculated;and the results of the heat flux of different structural walls were also got accordin... |
| Keywords: | xiaokuangti thermal technical performance attenuation coefficient delay time heat flux density |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |