A comparative study of melting behavior of phase change material with direct fluid contact and container inclination

Khademi, Alireza; Mehrjardi, Seyed Ali Abtahi; Said, Zafar; Saidur, R.; Ushak, Svetlana; Chamkha, Ali J.

doi:10.1016/j.nexus.2023.100196

Cited by 21 publications

(5 citation statements)

References 26 publications

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“…It makes applying organic PCM more attractive to provide a reliable and cost-effective thermal storage system. Material modification for the PCM using high conductivity material [3] , modification of the working fluid [4] , and container inclination [5] are considered as suitable method to minimize the drawbacks of organic PCM in the LTES system. Thus, current development is focused on improving the operational aspect of the LTES system.…”

Section: Hardware In Contextmentioning

confidence: 99%

Hybrid energy-temperature method (HETM): A low-cost apparatus and reliable method for estimating the thermal capacity of solid–liquid phase change material for heat storage system

Firman,

Rahmalina,

Ismail

et al. 2023

HardwareX

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Section: Hardware In Contextmentioning

confidence: 99%

Hybrid energy-temperature method (HETM): A low-cost apparatus and reliable method for estimating the thermal capacity of solid–liquid phase change material for heat storage system

Firman,

Rahmalina,

Ismail

et al. 2023

HardwareX

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“…The melting temperature for the LSS tank is a crucial aspect. The TES system uses the basic principle of heat transfer, which requires a temperature gradient between the storage tank and the thermal load [20]- [22]. Thus, a higher melting temperature of the PCM is desirable to promote a better operation of the LSS tank.…”

Section: Introductionmentioning

confidence: 99%

Charge Assessment for Nitrate-Based Salt as a Phase Change Material for a Medium-Temperature Latent Storage Tank

Ismail,

Widodo,

Rahman

2024

Latvian Journal of Physics and Technical Sciences

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The present study assesses the heat characteristic of the nitrate-salt mixture as a phase change material (PCM) for a medium-temperature latent storage system (LSS). Two binary and ternary mixtures are evaluated, which demonstrate different thermal behaviour. The highest melting and latent heat capacity is obtained by KNO3(0.4)/NaNO3(0.6) at 223.8 °C and 161.5 J/g. However, it has a higher supercooling degree with a partial phase transition between 217.6 °C and 251.5 °C, making it unfeasible for a medium-temperature LSS tank. The ternary mixture (TM) with NaNO2(0.4)/KNO2(0.53)/NaNO3(0.7) demonstrates a stable phase transition with minimum partial phase transition (22.1 °C) and suitable heat of fusion (98.1 J/g). Further evaluation through static thermal profiling demonstrates that the TM has a notable performance during solid-sensible charge with a charge level indicator (CLI) around 45.3 %–49.1 %. The TM can be charged up to 85.7 % until the end stage of the phase transition. It promotes a better storage capacity with suitable performance since the system can be charged effectively at a suitable temperature range (< 160 °C) for various applications. The micrograph observation indicates some dispersed particles and local agglomeration, which makes phase stabilization as an advantageous method to promote a stable phase change process. The TM can be considered a suitable PCM for a medium-temperature LSS tank that allows for a better solar thermal renewable system operation.

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“…In their study, Khademi et al (2023) [21] compared the new combination system that uses water as an auxiliary fluid with inclined systems, which are amongst the less expensive techniques. At the conclusion of the process of melting, oleic acid was nominated as an insoluble PCM in water so that it could be used in additional TES cycles.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Impact of Cell Inclination on Phase Change Material Melting in Square Cells: A Numerical Study

Rashid,

Khalaf,

Al-Obaidi

et al. 2024

Materials

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In order to determine the ideal degree of inclination that should be employed for constructing effective thermal energy storage systems, it is important to examine the impact of inclination angle on the melting behavior of phase change materials (PCMs) such as paraffin wax within a square cell. In consequence, this would guarantee the greatest capacity for energy release and storage. Additionally, analyzing this influence aids engineers in creating systems that enhance heat flow from external sources to the PCM and vice versa. To find out how the cell’s inclination angle affects the melting of PCM of paraffin wax (RT42) inside a square cell, a numerical analysis is carried out using the ANSYS/FLUENT 16 software. Specifically, the temperature and velocity distributions, together with the evolution of the melting process, will be shown for various inclination angles, and a thorough comparison will be made to assess the influence of inclination angle on the PCM melting process and its completion. The findings demonstrated that when the cell’s inclination angle increased from 0° to 15° and from 0° to 30° and 45°, respectively, the amount of time required to finish the melting process increased by 15%, 42%, and 71%, respectively. Additionally, after 210 min of operation, the PCM’s maximum temperature is 351.5 K with a 0° angle of inclination (horizontal) against 332.5 K with an angle of inclination of 45°.

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A comparative study of melting behavior of phase change material with direct fluid contact and container inclination

Cited by 21 publications

References 26 publications

Hybrid energy-temperature method (HETM): A low-cost apparatus and reliable method for estimating the thermal capacity of solid–liquid phase change material for heat storage system

Hybrid energy-temperature method (HETM): A low-cost apparatus and reliable method for estimating the thermal capacity of solid–liquid phase change material for heat storage system

Charge Assessment for Nitrate-Based Salt as a Phase Change Material for a Medium-Temperature Latent Storage Tank

Investigating the Impact of Cell Inclination on Phase Change Material Melting in Square Cells: A Numerical Study

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