Back to Search
Start Over
3D numerical thermal optimization of the roofs constructed with cast-in-situ hollow concrete floor system by finite volume method.
- Source :
-
Energy & Buildings . Nov2016, Vol. 131, p142-152. 11p. - Publication Year :
- 2016
-
Abstract
- 3D numerical thermal simulation on conjugate heat transfer in hollow roofs is conducted by self-compiled program based on the finite volume method to improve insulation performance. Eight kinds of hollow roofs with different box fillers are optimized by regularly designing partitions to divide air-filled cavity. In addition, the effect of box filler materials on thermal behavior is considered. The numerical results demonstrate that: horizontal partitions decrease the equivalent thermal conductivity by 13.65%–40.42%, whose effect is more remarkable for higher void roofs, whereas vertical partitions cause few effects. Besides, different box filler materials can bring about slight variation no more than 3%. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03787788
- Volume :
- 131
- Database :
- Academic Search Index
- Journal :
- Energy & Buildings
- Publication Type :
- Academic Journal
- Accession number :
- 119774651
- Full Text :
- https://doi.org/10.1016/j.enbuild.2016.09.018