Thermal energy storage improvement of recycled concrete with the application of phase change materials

Md Jaynul Abden, Vivian W.Y. Tam, Jannatul Dil Afroze, Khoa N. Le, Yi Chen Lan, Xiaolong Xue, Xuetong Wang

Research output: Chapter in Book / Conference PaperChapterpeer-review

Abstract

Global climate change is today’s biggest threat, encompassing rising extreme temperature events. The increase in the thermal mass of the building envelope by adding phase change material (PCM) is one of the promising measures to improve the thermal performance of buildings. In this study, a calcium carbonate (CaCO3) coated PCM-impregnated recycled concrete aggregate (PCM-RCA) is developed by immersion and injecting carbon dioxide (CO2) techniques. Two concrete samples using RCA and PCM-RCA aggregate are prepared and compared their thermal performance in building envelopes through EnergyPlus simulation for Sydney, Australia. The results showed that using PCM-RCA concrete in exterior walls could reduce the peak indoor air temperature by 1 °C and have an energy savings of 14.2% compared to the reference house.

Original languageEnglish
Title of host publicationProceedings of the 28th International Symposium on Advancement of Construction Management and Real Estate
EditorsDezhi Li, Patrick X. W. Zou, Jingfeng Yuan, Qian Wang, Yi Peng
Place of PublicationSingapore
PublisherSpringer
Chapter42
Pages609-615
Number of pages7
ISBN (Electronic)9789819719495
ISBN (Print)9789819719488
DOIs
Publication statusPublished - 2024

Publication series

NameLecture Notes in Operations Research
VolumePart F4842
ISSN (Print)2731-040X
ISSN (Electronic)2731-0418

Keywords

  • Energy savings
  • Phase change material
  • Recycled concrete
  • Thermal comfort
  • Thermal energy storage

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