Analyses of Bio-Based Nano-PCM filled Concentric Cylindrical Energy Storage System in Vertical Orientation

Alomair, Muath; Alomair, Yazeed; Tasnim, Syeda Humaira; Abdullah, Hussein A.

doi:10.1016/j.est.2018.10.004

Cited by 41 publications

(6 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This is relatively low compared to other materials, such as paraffin, and to the coconut oil data that were used in other studies. Al-Jethelah et al [35], Aloimair et al [36], and Ebadi et al [37] use the same data set in which coconut oil presents a latent heat of 103 [kJ/kg], which is similar to the above-mentioned study of Kahwaji and White [27].…”

Section: Characterization Of Coconut Oil Through Dscmentioning

confidence: 97%

Climate-Based Analysis for the Potential Use of Coconut Oil as Phase Change Material in Buildings

et al. 2021

View full text Add to dashboard Cite

One of the most efficient measures to reduce energy consumption in buildings is using passive thermal comfort strategies. This paper shows the potential of coconut oil as a bio-based phase change material (PCM) incorporated into construction components to improve the thermal performance of buildings for several climates, due to its environmental advantages, wide availability, and economic feasibility. The thermophysical properties of coconut oil were determined through differential scanning calorimetry. Numerical simulations were conducted in ESP-r, comparing an office space with a gypsum ceiling to one with coconut oil as PCM for 12 climate types in the Köppen–Geiger classification. The results show that coconut oil is a suitable PCM for construction applications under tropical and subtropical climates. This PCM can provide year-round benefits for these climates, even though a higher melting point is needed for optimum performance during hotter months. The highest demand reduction of 32% and a maximum temperature reduction of 3.7 °C were found in Mansa, Zambia (Cwa climate). The best results occur when average outdoor temperatures are within the temperature range of phase change. The higher the diurnal temperature range, the better the results. Our findings contribute to a better understanding of coconut oil in terms of its properties and potential for application in the building sector as PCM.

show abstract

Section: Characterization Of Coconut Oil Through Dscmentioning

confidence: 97%

Climate-Based Analysis for the Potential Use of Coconut Oil as Phase Change Material in Buildings

et al. 2021

View full text Add to dashboard Cite

show abstract

“…Alomair et al [110] undertook a numerical and experimental analysis of the effect of using a bio-nano-PCM on the performance of concentric cylindrical TESS. They investigated the melting process numerically by calculating the heat transfer rate and the melt fraction.…”

Section: Nano-enhanced Pcms For Thermal Energy Storage Systemsmentioning

confidence: 99%

Recent Advances in Nanoencapsulated and Nano-Enhanced Phase-Change Materials for Thermal Energy Storage: A Review

Khlissa,

Mhadhbi,

Aich

et al. 2023

Processes

View full text Add to dashboard Cite

Phase-change materials (PCMs) are becoming more widely acknowledged as essential elements in thermal energy storage, greatly aiding the pursuit of lower building energy consumption and the achievement of net-zero energy goals. PCMs are frequently constrained by their subpar heat conductivity, despite their expanding importance. This in-depth research includes a thorough categorization and close examination of PCM features. The most current developments in nanoencapsulated PCM (NEPCMs) techniques are also highlighted, along with recent developments in thermal energy storage technology. The assessment also emphasizes how diligently researchers have worked to advance the subject of PCMs, including the creation of devices with improved thermal performance using nano-enhanced PCMs (NEnPCMs). This review intends to highlight the progress made in improving the efficiency and efficacy of PCMs by providing a critical overview of these improvements. The paper concludes by discussing current challenges and proposing future directions for the continued advancement of PCMs and their diverse applications.

show abstract

“…Different types of PCMs with a wide range of thermophysical properties are available in the market that can be used for different applications. In this work, coconut oil is used as PCM due to some unique properties, i.e., nontoxicity for safe applications such as food industry (as it is edible) [14], melting temperature close to the room temperature, low degree of supercooling [15] and low volumetric thermal expansion [16]. The properties of the coconut oil are measured at the University of Guelph (Advanced Energy Conversion and Control Lab, Bio-Innovation Research Lab, and Food Research Lab) and can be found in [16].…”

Section: -2mentioning

confidence: 99%

Solidification Process inside a Novel Toroidal Tube Heat Exchanger

Mohaghegh¹,

Bozorgi²,

Ghasemi³

et al. 2022

International Conference on Energy Harvesting, Storage, and Transfer

Self Cite

View full text Add to dashboard Cite

Concentric tube and shell and tube latent heat exchangers filled with phase change material (PCM) in the tube part are interesting latent heat thermal energy storage (LHTES) systems that have attracted researchers' attention due to high energy storage density during the charging (melting) and discharging (solidification) processes. Inadequate phase change process reduces the thermal performance of LHTES systems. An effective design can facilitate and accelerate the phase change process. In this study, a novel toroidal shape is proposed for the inner part of the heat exchanger (tube) and the solidification process inside this tube is investigated. A mathematical model based on the enthalpy-porosity approach is developed and numerically solved by finite volume method to simulate the energy transport processes inside the system. The progression of the discharging process is also numerically visualized. Several transient heat transfer characteristics, e.g., thermal filed, solid fraction, average temperature, and energy released during solidification, are determined and depicted.

show abstract

Analyses of Bio-Based Nano-PCM filled Concentric Cylindrical Energy Storage System in Vertical Orientation

Cited by 41 publications

References 26 publications

Climate-Based Analysis for the Potential Use of Coconut Oil as Phase Change Material in Buildings

Climate-Based Analysis for the Potential Use of Coconut Oil as Phase Change Material in Buildings

Recent Advances in Nanoencapsulated and Nano-Enhanced Phase-Change Materials for Thermal Energy Storage: A Review

Solidification Process inside a Novel Toroidal Tube Heat Exchanger

Contact Info

Product

Resources

About