Experimental investigation of eutectic PCM incorporated clay brick for thermal management of building envelope

Taj, Samad Ali; Khalid, Waqas; Nazir, Hassan; Khan, Aamir; Sajid, Muhammad; Waqas, Adeel; Hussain, Arsalan; Ali, Majid; Zaki, Sheikh Ahmad

doi:10.1016/j.est.2024.110838

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2024.110838

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Experimental investigation of eutectic PCM incorporated clay brick for thermal management of building envelope

Samad Ali Taj,

Waqas Khalid,

Hassan Nazir

et al.

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2024

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Cited by 4 publications

References 35 publications

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Advancing PCM Research in Building Efficiency: A Comprehensive Investigation into PCM Selection and Critical Integration Strategies

El Majd,

Sair,

Ait Ousaleh

et al. 2024

Journal of Building Engineering

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Advancing PCM Research in Building Efficiency: A Comprehensive Investigation into PCM Selection and Critical Integration Strategies

El Majd,

Sair,

Ait Ousaleh

et al. 2024

Journal of Building Engineering

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Analysis of Freeze–Thaw Damage of Cement Mortars Doped with Polyethylene Glycol-Based Form Stable Phase Change Materials

Sarcinella,

Cunha,

Reis

et al. 2024

Materials

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The development of construction materials with the integration of phase change materials (PCMs) has been a topic of wide interest in the scientific community, especially in recent years, due to its positive impact on temperature regulation inside buildings. However, little is known about the behavior of materials doped with PCMs when exposed to accidental or severe environments. Currently, a large area of the planet experiences seasonal freeze–thaw effects, which impact the durability and performance of construction materials. Accordingly, the main objective of this study was to evaluate the damage caused by cyclic freeze–thaw actions on the behavior of a cement mortar, including a PEG-based form-stable PCM. An experimental methodology was developed based on the physical and mechanical characterization of mortars under normal operating conditions and after being subjected to freeze–thaw cycles. The results indicated that, under normal exposure conditions, the incorporation of aggregate functionalized with PCM led to a decrease in the mortar’s water absorption capacity, compressive strength, and adhesion. However, its applicability has not been compromised. Exposure to freeze–thaw cycles caused a loss of mass in the specimens and a decrease in the compressive strength and adhesion capability of the mortar.

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Thermo-Chemical Characterization of Organic Phase Change Materials (PCMs) Obtained from Lost Wax Casting Industry

Sarcinella,

Cunha,

Aguiar

et al. 2024

Sustainability

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The high global energy demand drives the search for sustainable alternatives for energy production and storage. Among the most effective solutions are phase change materials (PCMs). In particular, organic PCMs offer a high capacity to store and release thermal energy in response to external thermal variations, even over a wide temperature range. They find profitable applications in various sectors, from construction to electronics, offering flexibility and considerable energy storage according to need. In the search for new and effective PCMs, reusing by-products from different industries would offer both economic and environmental benefits. With this goal in mind, several organic PCMs with different characteristics and origins were analyzed in the present study. Two of them were by-products of the lost wax casting industry. In fact, we wanted to verify whether this waste could be employed as an effective, low-cost PCM. For comparison purposes, two commercial PCMs were selected, namely a paraffin and a microencapsulated PCM. Finally, a PCM blend was produced by mixing a commercial PCM and a waxy by-product. The five selected or developed PCMs were subjected to different tests to investigate their chemical composition, thermal characteristics, and thermal stability before and after repeated (i.e., 100) cycles of melting and crystallization processes. The results demonstrated that the durability of the non-commercial PCMs with regard to thermal loads was not inferior, and was in some cases even superior, to commercial PCMs. This study therefore proposes an innovative path to reuse the by-products of different production processes to support the environment.

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Experimental investigation of eutectic PCM incorporated clay brick for thermal management of building envelope

Cited by 4 publications

References 35 publications

Advancing PCM Research in Building Efficiency: A Comprehensive Investigation into PCM Selection and Critical Integration Strategies

Advancing PCM Research in Building Efficiency: A Comprehensive Investigation into PCM Selection and Critical Integration Strategies

Analysis of Freeze–Thaw Damage of Cement Mortars Doped with Polyethylene Glycol-Based Form Stable Phase Change Materials

Thermo-Chemical Characterization of Organic Phase Change Materials (PCMs) Obtained from Lost Wax Casting Industry

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