Mechanical and thermal evaluation of different types of PCM–concrete composite panels

Niall, Dervilla; Kinnane, Oliver; West, Roger; McCormack, Sarah

doi:10.1080/24705314.2017.1318039

Cited by 16 publications

(14 citation statements)

References 18 publications

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“…When PCM (n-BS) was incorporated into the pores of ECA from section 2.2, the strength of concrete has reduced but not less than the required strength. Most of the studies showed that LWA has an adverse effect on the mechanical properties of concrete [36][37][38][39].…”

Section: Compressive Strengthmentioning

confidence: 99%

“…In the research performed by Niall et al [36], the writers used an modified hot plate apparatus to assess the conductivity of composite LWA-PCM panels with 100% PCC and 50% GGBS. In addition, the recorded temperature data were used to determine the thermal storage behavior of the panels together with the measured densities and thermal conductivities.…”

Section: 2 Thermal Conductivity (K)mentioning

confidence: 99%

“…This is induced by the low conductivity of the PCM material, according to the scientists. The authors have suggested that lower conductivity and higher heat storage potential of the PCM panels result in lower thermal diffusivity, which in effect decreases the PCM 's performance when depth rises as the heat takes longer to enter the PCM [36,38]. By using n-BS as a PCM with ECA in concrete, the temperature inside the house can be controlled and can be maintained suitable according to the human comfort zone.…”

Section: 2 Thermal Conductivity (K)mentioning

confidence: 99%

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Improving Thermal and Mechanical Property of Lightweight Concrete Using N-Butyl Stearate/Expanded Clay Aggregate with Alccofine1203

Kulkarni

Muthadhi

2020

IJE

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energy is increased by 2.4 to 3.2% per year from 2015 to 2040 [1]. Energy savings in the residential or commercial sector using different materials for thermal energyefficient buildings has given a new scope for research. A general idea amidst the energy-efficient building design strategies is to increase the thermal mass of the building materials which can store the thermal energy during day time and release the energy at night. This can ultimately save energy consumption in building sectors and reduce

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Section: Compressive Strengthmentioning

confidence: 99%

Section: 2 Thermal Conductivity (K)mentioning

confidence: 99%

Section: 2 Thermal Conductivity (K)mentioning

confidence: 99%

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Improving Thermal and Mechanical Property of Lightweight Concrete Using N-Butyl Stearate/Expanded Clay Aggregate with Alccofine1203

Kulkarni

Muthadhi

2020

IJE

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“…completes the fundamental balance equations involved in the problem. Then, by considering both the Helmholtz's Free Energy per unit mass [25] ψ := e − η θ (6) and the local form of the first law of thermodynamics, given by Eq. (4), into Eq.…”

Section: Balance Lawsmentioning

confidence: 99%

“…Moreover, other typical applications deal with the use of the so-called Phase Change Materials (PCMs) in concrete. For example, cementitious composites, characterized by having their natural inner open porous structure, have been employed to accommodate PCMs with the potential to store and save energy during their (solid-liquid and/or liquid-solid) phase changes [5,6]. This new class of smart material (namely, PCM-concrete) for construction and building applications can suffer coupled thermo-mechanical actions together with phase change mechanisms [7].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamically consistent multiscale formulation of a thermo-mechanical problem with phase transformations

Schicchi

Caggiano

Hunkel

et al. 2018

Continuum Mech. Thermodyn.

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A multiscale framework for thermo-mechanical analysis with phase transformations is proposed in this work. The formulation covers those cases including coupled constitutive equations for simulating thermomechanical processes considering phase transformation phenomena. The general case of temperature-and phase-dependent procedures, involving nonlinear plasticity concepts, is considered as main framework in order to formulate the material dissipation at both micro-and macroscopic level of observation. Thermodynamic consistency conditions for computational up/downscaling between micro-and macroscales are presented, with special focus on phase transformation phenomena, for both the mechanical and thermal homogenization. Classical Coleman-Gurtin thermodynamics is employed at the microscale, whereas an extended framework is considered at the macroscale due to the temperature gradient dependency of the macro stress. The multiscale procedure is based on a variational approach largely discussed in the literature. The overall coupled process at both micro-and macroscopic scales, averaging criteria, thermal, mechanical and phase change constitutive expressions, as well as the corresponding homogenization rules, are discussed and derived in detail.

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Effectiveness of phase change materials and their properties on the performance of geothermal and foundation-based energy systems: A review

Alavy,

Shirazi,

Rosen

2024

Applied Thermal Engineering

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Mechanical and thermal evaluation of different types of PCM–concrete composite panels

Cited by 16 publications

References 18 publications

Improving Thermal and Mechanical Property of Lightweight Concrete Using N-Butyl Stearate/Expanded Clay Aggregate with Alccofine1203

Improving Thermal and Mechanical Property of Lightweight Concrete Using N-Butyl Stearate/Expanded Clay Aggregate with Alccofine1203

Thermodynamically consistent multiscale formulation of a thermo-mechanical problem with phase transformations

Effectiveness of phase change materials and their properties on the performance of geothermal and foundation-based energy systems: A review

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