Thermal storage properties of lightweight concrete incorporating phase change materials with different fusion points in hybrid form for high temperature applications

Piti Sukontasukkul; Teerawat Sangpet; Moray Newlands; Doo-Yeol Yoo; Weerachart Tangchirapat; Suchart Limkatanyu; Prinya Chindaprasirt

doi:10.1016/j.heliyon.2020.e04863

Thermal storage properties of lightweight concrete incorporating phase change materials with different fusion points in hybrid form for high temperature applications

Heliyon. 2020 Sep 6;6(9):e04863. doi: 10.1016/j.heliyon.2020.e04863. eCollection 2020 Sep.

Authors

Piti Sukontasukkul¹, Teerawat Sangpet², Moray Newlands³, Doo-Yeol Yoo⁴, Weerachart Tangchirapat⁵, Suchart Limkatanyu⁶, Prinya Chindaprasirt⁷

Affiliations

¹ Construction and Building Materials Research Center, Department of Civil Engineering, King Mongkut's University of Technology North Bangkok, Bangkok, Thailand.
² Department of Mechanical and Aerospace Engineering, King Mongkut's University of Technology North Bangkok, Bangkok, Thailand.
³ School of Science and Engineering, University of Dundee, UK.
⁴ Department of Architectural Engineering, Hanyang University, Seoul, South Korea.
⁵ Department of Civil Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Thailand.
⁶ Department of Civil Engineering, Prince of Songkla University, Hat Yai, Songkhla Thailand.
⁷ Sustainable Infrastructure Research and Development Center, Department of Civil Engineering, Faculty of Engineering, Khon Kaen University and Thailand and Academy of Science, The Royal Society of Thailand, Dusit, Bangkok, Thailand.

Abstract

In this study, the thermal storage properties of lightweight concrete incorporating two types of phase change materials (PCM) with two different fusion points were investigated. Two types of PCM, polyethylene glycol (PEG) and paraffin (PRF), were impregnated into porous aggregates using high temperatures. The PCM aggregates were mixed with concrete at different proportions of PEG/PRF aggregates from 0/100 to 100/0 with 25% intervals. The experimental series consisted of thermal property tests (such as thermal conductivity, specific heat, and latent heat), and some basic properties (such as compressive strength, density, water absorption, and abrasion resistance). The results showed that incorporating PCM aggregates into lightweight concrete helped increase the workability, lower the moisture absorption, and increase the mechanical properties. For thermal properties, both thermal conductivity (k) and specific heat were found to depend strongly on the state of PCM. The latent heat of lightweight concrete with PCM aggregates in hybrid form were found to be higher than that of single type PCM aggregates.

Keywords: Civil engineering; Concrete technology; Construction engineering; Latent heat; Materials property; Materials science; PCM in Hybrid form; Phase change material; Physical property; Thermal conductivity; Thermal storage.