Review on building energy performance improvement using phase change materials

Song, Mengjie; Niu, Fuxin; Mei, Ning; Hu, Yanxin; Deng, Shiming

doi:10.1016/j.enbuild.2017.10.066

Cited by 308 publications

(84 citation statements)

References 96 publications

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“…These works have mainly focused on enhancing indoor thermal comfort and overall energy performance . Recent studies have also begun to examine air conditioning systems that incorporate thermal storage; these systems produce the cooling capacity that they need for air conditioning at nighttime when the demand for air conditioning is low and then utilize such capacity at daytime to satisfy the peak load . PCMs are often employed in air conditioning systems to shift the peak load to the off‐peak time, thereby reducing the system scale, minimizing the partial load operation to improve the overall efficiency, improving the system coefficient of performance (COP) via extended nighttime operations at low environment temperatures, reducing the financial cost by producing and storing cold energy at nighttime when electricity generation is cheap, and releasing cold energy at daytime when electricity generation is expensive …”

Section: Introductionmentioning

confidence: 99%

Improving the performance of air conditioning systems by using phase change materials: A review

Omara

Abuelnour

2019

Int J Energy Res

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Summary This paper reviews the application of phase change materials (PCMs) for improving the performance of air conditioning systems. The different methods of integrating PCMs into air conditioning systems are presented. Moreover, the effects of PCM geometry, flow, and heat transfer characteristics on the performance of air conditioning systems and the potential use of PCMs in increasing the energy savings and coefficient of performance of air conditioning systems are also discussed. Recent studies on the thermodynamic (energy and exergy), economic, and environmental benefits of integrating PCMs into air conditioning systems are reviewed. Several methods for the preparation and optimal selection of PCMs are proposed to improve the performance of air conditioning systems, and then the challenges relating to PCM properties, optimal thickness, and PCM containers are highlighted. The economic aspects, humidity effect, life cycle assessment, and use of solid‐solid PCMs are cited as potentially important topics for future research.

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Section: Introductionmentioning

confidence: 99%

Improving the performance of air conditioning systems by using phase change materials: A review

Omara

Abuelnour

2019

Int J Energy Res

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“…The various PCMs are categorized as inorganic, organic, and eutectic materials, which are able to be distinguished as PCM on the basis of melting temperature and LH of fusion. Of these, PCMs with a melting point between 20 and 60°C are applicable to residential building using radiant floor heating systems . The notion of using PCM materials has been investigated in several works.…”

Section: Introductionmentioning

confidence: 99%

Investigating the effect of using PCM in building materials for energy saving: Case study of Sharif Energy Research Institute

Esbati

Amooie

Sadeghzadeh

et al. 2019

Energy Science & Engineering

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In order to attain an efficient path into the enhancement of the sustainable conservation and management of energy resources in the buildings and residential sections, efforts by all relevant institutions in the area of energy are essential and primitive. Hence, the development of the energy supply model in the building and the provision of fundamental solutions in this area is rudimentary. The key to any program related to this matter is to boost and extend energy efficiency and energy resource management. According to the global statistics and processed data, the residential sector accounts for 34 percent of the total energy consumption in Iran, which is the highest energy consumption compared to all existing sectors; therefore, immeasurable research has been done on optimizing energy usage in the building sector. One of the most efficient energy optimization methods can be achieved by using energy storage materials in the outer walls of the buildings. In this project, a research‐based residential building is considered as a case to investigate for energy optimization. In the first stage, the building is simulated and the energy consumption of the building is measured. Afterward, with actual measurements, real consumption is approximated and compared with the results of the software. After verifying the software data, the insulation is simulated in the software and the outcomes of using this insulator are investigated to reduce energy consumption. Energy storage materials are considered as a type of phase‐change material. These materials have the same characteristics which is having a different melting point and, by capturing and losing heat at design temperatures, they can help maintain energy inside the building that is how they can be considered as an insulator. Within the appropriate software which is Design‐Builder, miscellaneous types of these materials are available with various features. The final results point out that the use of this material saves up to 30% of the heating energy and about 8% in the cooling load of the building.

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“…Currently, the research is strongly oriented to find new and alternative methods to decrease the global energy consumption. The concern about climate change and about the rapid depletion of natural resources led the international policy to incentive the study aimed at evolving new renewable energy solutions [1].…”

Section: Introductionmentioning

confidence: 99%

Mortars Containing Sustainable PCM’s for the Energy Efficiency of Buildings

et al. 2019

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Energy use in buildings represents more than one-third of global energy consumption and contributes to nearly one-quarter of greenhouse gases emission worldwide. The thermal comfort demand represents one of the main cause of the increased energy consumption. To guarantee a thermal indoor comfort, contributing at the same time to the energy saving, the Thermal Energy Storage (TES) methodologies have recently gained interest. These technologies involve the use of a smart material, i.e. a Phase Change Material (PCM), with the capability to absorb/release energy from/in the environment; it can be easily integrated into a building material, such as a mortar. In this work, aerial lime-based mortar with the incorporation of an eco-sustainable PCM have been analyzed with the purpose to improve the energy efficiency of buildings. For its non-toxic nature, a thermoplastic polymer has been selected as PCM, i.e. Poly-Ethylene Glycol (PEG 1000). This material was included in an inert support obtained as byproduct of stone extraction from quarry. The final product, i.e. PEG/stone, can be regarded as a composite to be used as mortar aggregate. A preliminary (chemical and physical) characterization of this compound shown that the sustainable aggregates PEG/stone have an appropriate Latent Heat Thermal Energy Storage (LHTES). The addition of these aggregates into a mortar compositions lead to an unsuitable reduction of mechanical properties., 0 0 (201 MATEC Web of Conferences https://doi.org/10.

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Review on building energy performance improvement using phase change materials

Cited by 308 publications

References 96 publications

Improving the performance of air conditioning systems by using phase change materials: A review

Improving the performance of air conditioning systems by using phase change materials: A review

Investigating the effect of using PCM in building materials for energy saving: Case study of Sharif Energy Research Institute

Mortars Containing Sustainable PCM’s for the Energy Efficiency of Buildings

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