Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete
The application of thermal energy storage with phase change materials (PCMs) for energy efficiency of buildings grew rapidly in the last few years. In this research, octadecane paraffin was served as a PCM, and a structural concrete with the function of indoor temperature control was developed by us...
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doaj-96573f0b8cc84a81bd3b87358892876f2020-11-24T23:12:51ZengMDPI AGMaterials1996-19442016-01-01915910.3390/ma9010059ma9010059Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage ConcreteZhijun Dong0Hongzhi Cui1Waiching Tang2Dazhu Chen3Haibo Wen4Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil Engineering, Shenzhen University, Shenzhen 518060, ChinaGuangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil Engineering, Shenzhen University, Shenzhen 518060, ChinaSchool of Architecture and Built Environment, University of Newcastle, Callaghan, NSW 2308, AustraliaGuangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil Engineering, Shenzhen University, Shenzhen 518060, ChinaGuangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil Engineering, Shenzhen University, Shenzhen 518060, ChinaThe application of thermal energy storage with phase change materials (PCMs) for energy efficiency of buildings grew rapidly in the last few years. In this research, octadecane paraffin was served as a PCM, and a structural concrete with the function of indoor temperature control was developed by using a macro-encapsulated PCM hollow steel ball (HSB). The macro-encapsulated PCM-HSB was prepared by incorporation of octadecane into HSBs through vacuum impregnation. Test results showed that the maximum percentage of octadecane carried by HSBs was 80.3% by mass. The macro-encapsulated PCM-HSB has a latent heat storage capacity as high as 200.5 J/g. The compressive strength of concrete with macro-encapsulated PCM-HSB at 28 days ranged from 22 to 40 MPa. The indoor thermal performance test revealed that concrete with macro-encapsulated octadecane-HSB was capable of reducing the peak indoor air temperature and the fluctuation of indoor temperature. It can be very effective in transferring the heating and cooling loads away from the peak demand times.http://www.mdpi.com/1996-1944/9/1/59phase change materialshollow steel ballmacro-encapsulatedthermal propertiesmechanical propertiesstructural-functional integrated concrete |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhijun Dong Hongzhi Cui Waiching Tang Dazhu Chen Haibo Wen |
spellingShingle |
Zhijun Dong Hongzhi Cui Waiching Tang Dazhu Chen Haibo Wen Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete Materials phase change materials hollow steel ball macro-encapsulated thermal properties mechanical properties structural-functional integrated concrete |
author_facet |
Zhijun Dong Hongzhi Cui Waiching Tang Dazhu Chen Haibo Wen |
author_sort |
Zhijun Dong |
title |
Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete |
title_short |
Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete |
title_full |
Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete |
title_fullStr |
Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete |
title_full_unstemmed |
Development of Hollow Steel Ball Macro-Encapsulated PCM for Thermal Energy Storage Concrete |
title_sort |
development of hollow steel ball macro-encapsulated pcm for thermal energy storage concrete |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2016-01-01 |
description |
The application of thermal energy storage with phase change materials (PCMs) for energy efficiency of buildings grew rapidly in the last few years. In this research, octadecane paraffin was served as a PCM, and a structural concrete with the function of indoor temperature control was developed by using a macro-encapsulated PCM hollow steel ball (HSB). The macro-encapsulated PCM-HSB was prepared by incorporation of octadecane into HSBs through vacuum impregnation. Test results showed that the maximum percentage of octadecane carried by HSBs was 80.3% by mass. The macro-encapsulated PCM-HSB has a latent heat storage capacity as high as 200.5 J/g. The compressive strength of concrete with macro-encapsulated PCM-HSB at 28 days ranged from 22 to 40 MPa. The indoor thermal performance test revealed that concrete with macro-encapsulated octadecane-HSB was capable of reducing the peak indoor air temperature and the fluctuation of indoor temperature. It can be very effective in transferring the heating and cooling loads away from the peak demand times. |
topic |
phase change materials hollow steel ball macro-encapsulated thermal properties mechanical properties structural-functional integrated concrete |
url |
http://www.mdpi.com/1996-1944/9/1/59 |
work_keys_str_mv |
AT zhijundong developmentofhollowsteelballmacroencapsulatedpcmforthermalenergystorageconcrete AT hongzhicui developmentofhollowsteelballmacroencapsulatedpcmforthermalenergystorageconcrete AT waichingtang developmentofhollowsteelballmacroencapsulatedpcmforthermalenergystorageconcrete AT dazhuchen developmentofhollowsteelballmacroencapsulatedpcmforthermalenergystorageconcrete AT haibowen developmentofhollowsteelballmacroencapsulatedpcmforthermalenergystorageconcrete |
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