Enhancement of specific heat capacity of high-temperature silica-nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications

Donghyun Shin; Debjyoti Banerjee

doi:10.1016/j.ijheatmasstransfer.2010.11.017

Enhancement of specific heat capacity of high-temperature silica-nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications

Donghyun Shin, Debjyoti Banerjee

Engineering & Technology, School Of

Research output: Contribution to journal › Article › peer-review

433 Scopus citations

Abstract

In this study, we report the anomalous enhancement of specific heat capacity of high-temperature nanofluids. Alkali metal chloride salt eutectics were doped with silica nanoparticles at 1% mass concentration. The specific heat capacity of the nanofluid was enhanced by 14.5%. Dispersion behavior of the nanoparticles in the eutectic was confirmed by scanning electron microscopy (SEM). Three independent competing transport mechanisms are enumerated to explain this anomalous behavior.

Original language	English
Pages (from-to)	1064-1070
Number of pages	7
Journal	International Journal of Heat and Mass Transfer
Volume	54
Issue number	5-6
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2010.11.017
State	Published - Feb 2011

Keywords

Alkali chloride eutectic
Electron microscopy
Nanoparticle
Silicon dioxide
Specific heat capacity

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10.1016/j.ijheatmasstransfer.2010.11.017

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title = "Enhancement of specific heat capacity of high-temperature silica-nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications",

abstract = "In this study, we report the anomalous enhancement of specific heat capacity of high-temperature nanofluids. Alkali metal chloride salt eutectics were doped with silica nanoparticles at 1% mass concentration. The specific heat capacity of the nanofluid was enhanced by 14.5%. Dispersion behavior of the nanoparticles in the eutectic was confirmed by scanning electron microscopy (SEM). Three independent competing transport mechanisms are enumerated to explain this anomalous behavior.",

keywords = "Alkali chloride eutectic, Electron microscopy, Nanoparticle, Silicon dioxide, Specific heat capacity",

author = "Donghyun Shin and Debjyoti Banerjee",

note = "Funding Information: The authors acknowledge the support of the Department of Energy (DOE) Solar Energy Program (Golden, CO) under Grant No. DE-FG36-08GO18154; Amd. M001 (Title: “Molten Salt-Carbon Nanotube Thermal Energy Storage For Concentrating Solar Power Systems”). ",

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AU - Shin, Donghyun

AU - Banerjee, Debjyoti

N1 - Funding Information: The authors acknowledge the support of the Department of Energy (DOE) Solar Energy Program (Golden, CO) under Grant No. DE-FG36-08GO18154; Amd. M001 (Title: “Molten Salt-Carbon Nanotube Thermal Energy Storage For Concentrating Solar Power Systems”).

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N2 - In this study, we report the anomalous enhancement of specific heat capacity of high-temperature nanofluids. Alkali metal chloride salt eutectics were doped with silica nanoparticles at 1% mass concentration. The specific heat capacity of the nanofluid was enhanced by 14.5%. Dispersion behavior of the nanoparticles in the eutectic was confirmed by scanning electron microscopy (SEM). Three independent competing transport mechanisms are enumerated to explain this anomalous behavior.

AB - In this study, we report the anomalous enhancement of specific heat capacity of high-temperature nanofluids. Alkali metal chloride salt eutectics were doped with silica nanoparticles at 1% mass concentration. The specific heat capacity of the nanofluid was enhanced by 14.5%. Dispersion behavior of the nanoparticles in the eutectic was confirmed by scanning electron microscopy (SEM). Three independent competing transport mechanisms are enumerated to explain this anomalous behavior.

KW - Alkali chloride eutectic

KW - Electron microscopy

KW - Nanoparticle

KW - Silicon dioxide

KW - Specific heat capacity

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ER -

Enhancement of specific heat capacity of high-temperature silica-nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications

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