A review on thermal energy storage using phase change materials in passive building applications

Romdhane, Sahar Ben; Amamou, Amani; Khalifa, Rim Ben; Saïd, Nejla Mahjoub; Younsi, Zohir; Jemni, Abdelmajid

doi:10.1016/j.jobe.2020.101563

Cited by 73 publications

(37 citation statements)

References 105 publications

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“…Numerous experimental and numerical studies have shown that the integration of PCMs into building envelopes can improve thermal comfort (maintaining the temperature inside a building room between 15 and 35 • C) by reducing peaks and fluctuations in indoor temperature [6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

et al. 2021

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Latent heat thermal energy storage systems incorporate phase change materials (PCMs) as storage materials. The high energy density of PCMs, their ability to store at nearly constant temperature, and the diversity of available materials make latent heat storage systems particularly competitive technologies for reducing energy consumption in buildings. This work reviews recent experimental and numerical studies on the integration of PCMs in building envelopes for passive energy storage. The results of the different studies show that the use of PCMs can reduce the peak temperature and smooth the thermal load. The integration of PCMs can be done on the entire building envelope (walls, roofs, windows). Despite many advances, some aspects remain to be studied, notably the long-term stability of buildings incorporating PCMs, the issues of moisture and mass transfer, and the consideration of the actual use of the building. Based on this review, we have identified possible contributions to improve the efficiency of passive systems incorporating PCMs. Thus, fatty acids and their eutectic mixtures, combined with natural insulators, such as vegetable fibers, were chosen to make shape-stabilized PCMs composites. These composites can be integrated in buildings as a passive thermal energy storage material.

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Section: Introductionmentioning

confidence: 99%

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

et al. 2021

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“…An extensive work has been done by Romdhane et al, 16 Vneet et al, 17 Bao et al 18 on PCM and its applications in buildings. They all reviewed PCMs, their classifications and applications in building in different ways.…”

Section: Introductionmentioning

confidence: 99%

Delaying the temperature fluctuations through PCM integrated building walls—Room conditions, PCM placement, and temperature of the heat sources

Islam

Ahmed

2021

Energy Storage

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Phase change materials (PCMs) are well accepted by the researchers to reduce the temperature fluctuation and also the cooling load of a building. Sodium sulfate decahydrate (Na2SO4.10H2O) is used as PCM and incorporated in the traditional building wall in a prototype building model. The experiments are carried out on hot sunny days to investigate the temperature variation inside the room with and without PCM. It has been found that PCM can easily reduce the fluctuation of the inside temperature, however, the temperature variation inside the room much is influenced by the opening of the door and window where convective heat transfer plays a major role. The study reveals that the maximum average temperature was reduced for 3°C with the use of PCM layer. The studies have been extended for an elevated temperature by incorporating a heat source where the building wall is set without PCM, with PCM slab and also encapsulated PCM. The results reveal that both the PCM slab and encapsulated PCM building wall can control the temperature as close to ambient temperature at the opposite side of the heat source. Moreover, it is found that encapsulated building walls give better performance as the overall wall thickness is kept as original wall thickness. In addition, the evenly placement with the encapsulation in a building wall could maintain the melting/freezing cycle of the PCM materials for better performance.

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“…Phase change materials (PCMs) could be used to store latent heat thermal energy because they can handle a high amount of energy with a small volume at the isothermal condition. Review articles have classified applications of PCMs, such as in buildings, 1,2 asphalt pavement, 3,4 air conditioning, 5 electronics thermal management, 6 latent heat thermal energy storage (LHTES) technology, 7,8 concentrated solar thermal power plant, 9 and solar cookers 10 . The majority of PCMs possess a small ( k ).…”

Section: Introductionmentioning

confidence: 99%

Interactions between hybrid nanosized particles and convection melting inside an enclosure with partially active walls: 2D lattice Boltzmann‐based numerical investigation

2021

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The ice melting is investigated inside a square cavity with two isothermally partially active walls. The concept of dispersing hybrid alumina–Cu nanoparticles and hybrid silica–multiwalled carbon nanotubes (MWCNTs) nanoparticles is recommended for thermal performance enhancement in this thermal energy storage (TES) system. The two‐dimensional explicit lattice Boltzmann convection melting scheme in the single‐phase model is applied to account for the natural convection flow induced in the melt region and evolution of the solid–liquid interface. The complete melting time for the pure phase change material (PCM) using case (II) is 33.3% lower compared with other cases. If the price of hybrid Al2O3–Cu nanoparticles and heat storage capacity is important, the full melt time diminishes by 16.6% with a volume fraction of 0.01 in case (II). Once hybrid silica–MWCNT nanoparticles with a volume fraction of 0.01 are utilized inside case (II), the lowest charging time is achieved. The complete melting time abates by 23.66% in contrast to the pure PCM melting. The use of single/hybrid nanoparticles to enhance the PCM melting is not necessarily economical as efficient positions of active parts could further lessen the charging time. The efficiency of hybrid nanoparticles is linked to the type and weight proportions of nanoparticles, and positions of thermally active parts.

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A review on thermal energy storage using phase change materials in passive building applications

Cited by 73 publications

References 105 publications

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

Review on the Integration of Phase Change Materials in Building Envelopes for Passive Latent Heat Storage

Delaying the temperature fluctuations through PCM integrated building walls—Room conditions, PCM placement, and temperature of the heat sources

Interactions between hybrid nanosized particles and convection melting inside an enclosure with partially active walls: 2D lattice Boltzmann‐based numerical investigation

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