Thermal performance of CaCl 2 ·6H 2 O/expanded perlite composite phase change boards embedded in aluminous gusset plates for building energy conservation

2017 ◽  
Vol 155 ◽  
pp. 484-491 ◽  
Author(s):  
Lulu Fu ◽  
Ziye Ling ◽  
Xiaoming Fang ◽  
Zhengguo Zhang
Keyword(s):  
Energy Conservation ◽  
Phase Change ◽  
Thermal Performance ◽  
Building Energy ◽  
Expanded Perlite ◽  
Gusset Plates ◽  
Building Energy Conservation

Preparation and Experimental Study of Composite Phase Change Material for Building Energy Conservation

2014 ◽  
Vol 1053 ◽  
pp. 136-142
Author(s):  
Hong Yuan Yan ◽  
Ying Yang
Keyword(s):  
Energy Conservation ◽  
Phase Change ◽  
Phase Change Material ◽  
Capric Acid ◽  
Building Energy ◽  
Energy Field ◽  
Building Energy Conservation ◽  
The Matrix ◽  
Change Material ◽  
Positive Effect

The building energy conservation has an important role in the energy field. Lightweight materials have been extensively used. By compositing the capric acid (CA) and lauric acid (LA) eutectic and using the expanded perlite (EP) as the matrix, a phase change material (PCM) was prepared and studied in laboratory. The mass fraction of this PCM reached at 60% through direct immersion for 24 hours. Differential scanning calorimeter (DSC) testing results indicated that the melting temperature of the PCM is 18.0°C, and the latent heat is 73.77J/g. From 1000 times cycling and heat-release characteristic test, this PCM was found to be stable well. After 2(wt)% graphite added in, solidification time of the PCM decreased by some 30%, the thermal conductivity improved. Application showed that the PCM has a positive effect on improving indoor environmental temperature.

Preparation of Aerogel-Modified Expanded Perlite and its Application in Heat Insulation Coating

2013 ◽  
Vol 668 ◽  
pp. 360-364 ◽  
Author(s):  
Kang Peng ◽  
Hua Ming Yang
Keyword(s):  
Energy Conservation ◽  
Thermal Insulation ◽  
Heat Insulation ◽  
Building Energy ◽  
Nanoporous Structure ◽  
Insulation Material ◽  
Impregnation Method ◽  
Expanded Perlite ◽  
Building Energy Conservation ◽  
Insulation Coating

Building insulation is an important part of building energy conservation. The heat insulation coating preapred from modified expanded perlite has been a potential building thermal insulation material. In this paper, aerogel was filled into the pores of expanded perlite by vacuum impregnation method to produce aerogel-modified expanded perlite at ambient pressure. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and N2 adsorption–desorption techniques. The results revealed that aerogel could be well filled into the pores of expanded perlite, and the resultant aerogel-modified expanded perlite possessed nanoporous structure with higher specific surface area of 196 m2·g-1, and low thermal conductivity of 0.063 W·m-1·K-1 less than that of expanded perlite by 13.3%. Heat insulation coatings prepared from aerogel-modified expanded perlite had good thermal insulation effect, indicating that the product showed potential aplication in the field of building energy conservation.

scholarly journals Review on active building energy conservation using phase change materials

2021 ◽  
Vol 236 ◽  
pp. 05007
Author(s):  
Dazhang Yang ◽  
Naixin Wang ◽  
Jing Xie ◽  
Jinfeng Wang
Keyword(s):  
Energy Storage ◽  
Energy Conservation ◽  
Phase Change ◽  
Phase Change Materials ◽  
Building Energy ◽  
Research Focus ◽  
Storage Technology ◽  
Building Energy Conservation ◽  
Building Energy Saving ◽  
New Phase

With a increasing application of phase change energy storage technology in the fields of building energy conservation, refrigeration, and air conditioning, the shortcomings of traditional phase change materials (PCMs) have become important, which seriously restricts the development of phase change cold storage technology. Therefore, the new phase change materials have become a research focus in the field of phase change energy storage. The classification and characteristics of phase change materials are briefly described in the paper. In addition, the active building energy-saving are reviewed.

Sign in / Sign up

Export Citation Format

Share Document