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Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt

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Main Authors: Krishna, Yathin, R., Saidur, Mohd Faizal, Fauzan, Aslfattahi, Navid, K.C. Ng, A., Arifutzzaman, Karinka, Shashikantha
Other Authors: MohdFaizal.Fauzan@taylors.edu.my
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2020
Subjects:
Molten salts
Thermal energy storage
Heat transfer fluid
Concentrated solar power
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68764
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spelling my.unimap-687642020-11-18T09:38:57Z Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt Krishna, Yathin R., Saidur Mohd Faizal, Fauzan Aslfattahi, Navid K.C. Ng A., Arifutzzaman Karinka, Shashikantha MohdFaizal.Fauzan@taylors.edu.my Molten salts Thermal energy storage Heat transfer fluid Concentrated solar power Link to publisher's homepage at http://ijneam.unimap.edu.my The system efficiency of concentrated solar power (CSP) was determined by using the working temperature of heat transfer fluid (HTF). Initially, organic HTFs were used for this purpose, which had a maximum operating temperature of 400 °C. However, it exhibits poor thermal storage property. The use of inorganic salts which are stable at high temperature (500~600 °C) can significantly increase the system efficiency. These salts can be used as energy storage materials as well. In this paper, nanocomposite comprising of ternary nitrate eutectic molten salt having pre-defined mass dispersed with Al2O3 nanoparticles of 0.1, 0.3, 0.5, and 1 wt.% was tested. The enthalpy and melting point measurements were performed using differential scanning calorimetry (DSC). Thermogravimetric analysis (TGA) was conducted to study the thermal stability of the eutectic salt and mass loss measurement at a temperature higher than 600 ⁰C. The homogeneity and microstructure of synthesized molten salt were examined using scanning electron microscopy (SEM) imaging. The results showed that the melting point of eutectic salt was reduced by 23% with the addition of 1 wt.% of Al2O3 nanoparticles. By increasing the doping of Al2O3, the enthalpy of the mixture increased, indicating that the eutectic mixture could be used for thermal energy storage. SEM imaging analysis revealed the uniform dispersion of Al2O3 nanoparticles in the pure eutectic mixture. Based on the DSC and TGA results, both enthalpy and thermal stability of the molten salt have increased by the addition of Al2O3 nanoparticle, making it a potential candidate salt for CSP applications. 2020-11-18T09:38:57Z 2020-11-18T09:38:57Z 2020-05 Article International Journal of Nanoelectronics and Materials, vol.13(Special Issue), 2020, pages 75-84 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68764 http://ijneam.unimap.edu.my en International Symposium on Science, Technology and Engineering (ISSTE 2019);; Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Molten salts
Thermal energy storage
Heat transfer fluid
Concentrated solar power
spellingShingle Molten salts
Thermal energy storage
Heat transfer fluid
Concentrated solar power
Krishna, Yathin
R., Saidur
Mohd Faizal, Fauzan
Aslfattahi, Navid
K.C. Ng
A., Arifutzzaman
Karinka, Shashikantha
Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
description Link to publisher's homepage at http://ijneam.unimap.edu.my
author2 MohdFaizal.Fauzan@taylors.edu.my
author_facet MohdFaizal.Fauzan@taylors.edu.my
Krishna, Yathin
R., Saidur
Mohd Faizal, Fauzan
Aslfattahi, Navid
K.C. Ng
A., Arifutzzaman
Karinka, Shashikantha
format Article
author Krishna, Yathin
R., Saidur
Mohd Faizal, Fauzan
Aslfattahi, Navid
K.C. Ng
A., Arifutzzaman
Karinka, Shashikantha
author_sort Krishna, Yathin
title Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
title_short Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
title_full Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
title_fullStr Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
title_full_unstemmed Effect of Al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
title_sort effect of al2o3 dispersion on enthalpy and thermal stability of ternary nitrate eutectic salt
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2020
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68764
_version_ 1698698507442978816
score 13.160551

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