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Modeling and Simulation of Heat and Mass Transfer in Novel Low-Dimensional Nanomaterials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: 10 July 2024 | Viewed by 1865

Special Issue Editor


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Guest Editor
College of Mechanical Vehicle Engineering, Hunan University, Hunan, Changsha 410082, China
Interests: nanomachanics; nanomaterials and nanostructures; nanoscale heat and mass transfer; computational materials science

Special Issue Information

Dear Colleagues,

In last two decades, there has been tremendous progress in the field of low-dimensional nanomaterials. Versatile, new nanomaterials with astonishing properties have been imagined and/or synthesized, which bring about novel functionalities and applications that could not be previously realized. When the geometry of a material approaches the nanoscale, its heat and mass transfer behaviors deviate significantly from those of bulk materials and provide a playground for researchers in the fields of materials science, mechanics, physics, and chemistry. To complement these experiments, modeling and simulation play crucial roles in exploring these unique behaviors. Hence, this Special Issue aims to provide a platform for researchers in the fields to share new insights regarding the heat and mass transfer of novel low-dimensional nanomaterials based on modeling and simulation methods. The topics of this issue include but are not limited to: (1) thermal conductivity of novel low-dimensional nanomaterials; (2) interfacial thermal transport of heterojunctions formed with these nanomaterials; (3) thermal properties of nanocomposite materials; (4) surface wettability of novel low-dimensional nanomaterials; (5) nanofluidic across the nanochannels of laminar nanomaterials; (6) nanofiltration and separation with low-dimensional nanomaterial-based membranes.

Dr. Bo Liu
Guest Editor

Manuscript Submission Information

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Keywords

  • low-dimensional nanomaterials
  • heat and mass transfer
  • thermal conductivity
  • interfacial thermal transport
  • surface wettability
  • nanofluidic
  • nanofiltration and separation

Published Papers (2 papers)

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Research

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14 pages, 10595 KiB  
Article
Specific Heat Capacity of Solar Salt-Based Nanofluids: Molecular Dynamics Simulation and Experiment
by Fahim Mahtab Abir and Donghyun Shin
Materials 2024, 17(2), 506; https://doi.org/10.3390/ma17020506 - 20 Jan 2024
Cited by 1 | Viewed by 880
Abstract
In this study, a nanofluid composed of molten solar salt (MSS) and 1.0% SiO2 nanoparticles by mass was created and analyzed using differential scanning calorimetry (DSC) to determine its specific heat capacity (SHC). The SHC of the nanofluid was found to be [...] Read more.
In this study, a nanofluid composed of molten solar salt (MSS) and 1.0% SiO2 nanoparticles by mass was created and analyzed using differential scanning calorimetry (DSC) to determine its specific heat capacity (SHC). The SHC of the nanofluid was found to be significantly higher than that of pure MSS. The average increase in SHC of the nanofluid with 1.0% SiO2 nanoparticles (NPs) loading was found to be 15.65% compared with pure MSS. The formation of nanostructures after doping with NPs may increase the SHC of molten salt (MS) nanofluids, according to certain published research that included experimental confirmation. Nevertheless, no thorough theoretical or computational studies have been conducted to verify the experimental findings related to MSS nanofluid. Molecular dynamics (MD) simulations were conducted in various simulation boxes for different cases to verify the experimental findings and investigate the mechanism behind the enhancement of SHC caused by the addition of SiO2 NPs in eutectic MSS. The simulations used pure MSS and mixtures containing NaNO3 nanostructures bonded with SiO2 NPs. The highest SHC increase of 25.03% was observed when the simulation box contained 13.71% NaNO3 nanostructures by weight. The incorporation of NaNO3 nanostructures increased the surface area and total surface energy, leading to a positive effect on the SHC of the MSS nanofluid. However, the decrease in the base molten salt’s SHC had a slight negative impact on the overall SHC of the MS nanofluid. Full article
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Review

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25 pages, 9658 KiB  
Review
Recent Advances in Molten Salt-Based Nanofluids as Thermal Energy Storage in Concentrated Solar Power: A Comprehensive Review
by Fahim Mahtab Abir, Qutaiba Altwarah, Md Tasnim Rana and Donghyun Shin
Materials 2024, 17(4), 955; https://doi.org/10.3390/ma17040955 - 19 Feb 2024
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Abstract
This study critically reviews the key aspects of nanoparticles and their impact on molten salts (MSs) for thermal energy storage (TES) in concentrated solar power (CSP). It then conducts a comprehensive analysis of MS nanofluids, focusing on identifying the best combinations of salts [...] Read more.
This study critically reviews the key aspects of nanoparticles and their impact on molten salts (MSs) for thermal energy storage (TES) in concentrated solar power (CSP). It then conducts a comprehensive analysis of MS nanofluids, focusing on identifying the best combinations of salts and nanoparticles to increase the specific heat capacity (SHC) efficiently. Various methods and approaches for the synthesis of these nanofluids are explained. The article presents different experimental techniques used to characterize nanofluids, including measuring the SHC and thermal conductivity and analyzing particle dispersion. It also discusses the challenges associated with characterizing these nanofluids. The study aims to investigate the underlying mechanisms behind the observed increase in SHC in MS nanofluids. Finally, it summarizes potential areas for future research, highlighting crucial domains for further investigation and advancement. Full article
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