Numerical Thermal Analysis of Applying Insulation Material to Holes in Hollow Brick Walls by the Finite-Volume Method

被引：20
|
作者：
Tang, D. L. [1 ]
Li, L. P. [1 ]
Song, C. F. [1 ]
Tao, W. Q. [2 ]
He, Y. L. [2 ]
机构：
[1] Taiyuan Univ Technol, Coll Environm Sci & Engn, Taiyuan 030024, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Moe Key Lab Thermofluid Sci & Engn, Xian 710049, Peoples R China
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2015年 / 68卷 / 05期
关键词：
ELEMENT-METHOD; NATURAL-CONVECTION; EXTERNAL WALLS; HEAT-TRANSFER; CLAY BRICKS; OPTIMIZATION; FEM; TRANSMITTANCE; CONFIGURATION; DESIGN;
D O I：
10.1080/10407782.2014.986396
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A numerical study by self-programming three-dimensional software which can efficiently deal with complicated heat transfer is conducted to investigate the effect on the thermal performance of pasting 10mm insulation around holes in external walls constructed from 240x115x90mm hollow bricks. A comprehensive parametric investigation includes varying the arrangement of holes, insulation, or building materials. The results show that adopting this method can markedly reduce the equivalent thermal conductivity by between 20.3 and 61.1%, and choosing higher-thermal resistance mortar or hollow brick material achieves better insulation performance whereas the optimum configuration of hollow bricks is barely affected.
引用
收藏
页码：526 / 547
页数：22
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