Simulation and experimental study of the specific heat capacity of molten salt based nanofluids

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Simulation and experimental study of the specific heat capacity of molten salt based nanofluids. / Qiao, Geng; Lasfargues, Mathieu; Alexiadis, Alessio; Ding, Yulong.

In: Applied Thermal Engineering, Vol. 111, 25.01.2017, p. 1517-1522.

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@article{17a47a4ea2b34ecebe1257222c56ce66,
title = "Simulation and experimental study of the specific heat capacity of molten salt based nanofluids",
abstract = "This work presents both simulations and experiments showing that the use of silica nanoparticles enhances the thermal properties of molten salt based nanofluids which is a provisional candidate for solar thermal energy storage. Sodium nitrate, potassium nitrate and lithium nitrate were chosen as the base material for such nanofluids. Thermodynamic and transport properties for nitrate salts and nanofluids were computed from molecular dynamics simulations. In order to validate our simulation results, different scanning calorimetry (DSC) was employed to measure the thermal properties of salt based nanofluids at 270-400. °C. Both simulation and experimental results showed that the addition of nanoparticles increases the specific heat capacity. Material characterization analysis was carried out to investigate microstructural change of nanomaterials using a scanning electron microscopy (SEM). We observed a stripe-like arrangement of nanoparticles with SEM. That may be responsible for the enhancement of specific heat capacity of the nanofluids.",
keywords = "Molecular dynamics simulation, Molten salts, Nanoparticles, Specific heat capacity",
author = "Geng Qiao and Mathieu Lasfargues and Alessio Alexiadis and Yulong Ding",
year = "2017",
month = jan,
day = "25",
doi = "10.1016/j.applthermaleng.2016.07.159",
language = "English",
volume = "111",
pages = "1517--1522",
journal = "Applied Thermal Engineering",
issn = "1359-4311",
publisher = "Elsevier Korea",

}

RIS

TY - JOUR

T1 - Simulation and experimental study of the specific heat capacity of molten salt based nanofluids

AU - Qiao, Geng

AU - Lasfargues, Mathieu

AU - Alexiadis, Alessio

AU - Ding, Yulong

PY - 2017/1/25

Y1 - 2017/1/25

N2 - This work presents both simulations and experiments showing that the use of silica nanoparticles enhances the thermal properties of molten salt based nanofluids which is a provisional candidate for solar thermal energy storage. Sodium nitrate, potassium nitrate and lithium nitrate were chosen as the base material for such nanofluids. Thermodynamic and transport properties for nitrate salts and nanofluids were computed from molecular dynamics simulations. In order to validate our simulation results, different scanning calorimetry (DSC) was employed to measure the thermal properties of salt based nanofluids at 270-400. °C. Both simulation and experimental results showed that the addition of nanoparticles increases the specific heat capacity. Material characterization analysis was carried out to investigate microstructural change of nanomaterials using a scanning electron microscopy (SEM). We observed a stripe-like arrangement of nanoparticles with SEM. That may be responsible for the enhancement of specific heat capacity of the nanofluids.

AB - This work presents both simulations and experiments showing that the use of silica nanoparticles enhances the thermal properties of molten salt based nanofluids which is a provisional candidate for solar thermal energy storage. Sodium nitrate, potassium nitrate and lithium nitrate were chosen as the base material for such nanofluids. Thermodynamic and transport properties for nitrate salts and nanofluids were computed from molecular dynamics simulations. In order to validate our simulation results, different scanning calorimetry (DSC) was employed to measure the thermal properties of salt based nanofluids at 270-400. °C. Both simulation and experimental results showed that the addition of nanoparticles increases the specific heat capacity. Material characterization analysis was carried out to investigate microstructural change of nanomaterials using a scanning electron microscopy (SEM). We observed a stripe-like arrangement of nanoparticles with SEM. That may be responsible for the enhancement of specific heat capacity of the nanofluids.

KW - Molecular dynamics simulation

KW - Molten salts

KW - Nanoparticles

KW - Specific heat capacity

UR - http://www.scopus.com/inward/record.url?scp=84979771486&partnerID=8YFLogxK

U2 - 10.1016/j.applthermaleng.2016.07.159

DO - 10.1016/j.applthermaleng.2016.07.159

M3 - Article

AN - SCOPUS:84979771486

VL - 111

SP - 1517

EP - 1522

JO - Applied Thermal Engineering

JF - Applied Thermal Engineering

SN - 1359-4311

ER -