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Rheological Analysis of Binary Eutectic Mixture of Sodium and Potassium Nitrate and the Effect of Low Concentration CuO Nanoparticle Addition to Its Viscosity

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Institute of Particle Science and Engineering, University of Leeds, Leeds LS2 9JT, UK
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School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
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Author to whom correspondence should be addressed.
Academic Editor: Jung Ho Je
Materials 2015, 8(8), 5194-5204; https://doi.org/10.3390/ma8085194
Received: 10 July 2015 / Revised: 29 July 2015 / Accepted: 3 August 2015 / Published: 11 August 2015
(This article belongs to the Section Structure Analysis and Characterization)
This paper is focused on the characterisation and demonstration of Newtonian behaviour of salt at both high and low shear rate for sodium and potassium nitrate eutectic mixture (60/40) ranging from 250 °C to 500 °C. Analysis of published and experimental data was carried out to correlate all the numbers into one meaningful 4th order polynomial equation. Addition of a low amount of copper oxide nanoparticles to the mixture increased viscosity of 5.0%–18.0% compared to the latter equation. View Full-Text
Keywords: rheology; molten salt; solar salt; nanoparticle; copper oxide; viscometer rheology; molten salt; solar salt; nanoparticle; copper oxide; viscometer
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Lasfargues, M.; Cao, H.; Geng, Q.; Ding, Y. Rheological Analysis of Binary Eutectic Mixture of Sodium and Potassium Nitrate and the Effect of Low Concentration CuO Nanoparticle Addition to Its Viscosity. Materials 2015, 8, 5194-5204.

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