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V. M. B. Nunes

Instituto Politécnico Nacional

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International Journal of Thermophysics | 1998

A high-temperature viscometer for molten materials

V. M. B. Nunes; F. J. V. Santos; C. A. Nieto de Castro

An oscillating-cup viscometer for the measurement of the viscosity of molten materials from room temperature to 1400 K was developed. The instrument is described in detail and the working equations are presented. The operational behavior was tested with water at room temperature. Preliminary measurements show that the new viscometer is capable of measuring the viscosity of water at room temperature to within 0.2%. As the primary objective of this work is the establishment of standard reference data for high-temperature viscosity measurements in molten salts, molten metals, and molten semiconductors, references of earlier viscosity measurements of molten KNO3 are given.

Journal of Chemical & Engineering Data | 2009

Influence of Thermophysical Properties of Ionic Liquids in Chemical Process Design

João M. P. França; Carlos A. Nieto de Castro; Manuel Lopes; V. M. B. Nunes

Applied Energy | 2016

Molten salts as engineering fluids – A review

V. M. B. Nunes; C. S. Queirós; M. J. V. Lourenço; F. J. V. Santos; C. A. Nieto de Castro

Journal of Chemical & Engineering Data | 2003

Importance of accurate data on viscosity and thermal conductivity in molten salts applications

V. M. B. Nunes; Maria José Lourenço; and Fernando J. V. Santos; Carlos A. Nieto de Castro

International Journal of Thermophysics | 2006

Viscosity of Molten Sodium Nitrate

V. M. B. Nunes; Maria José Lourenço; F. J. V. Santos; C. A. Nieto de Castro

High Temperatures-high Pressures | 2001

Viscosity of molten potassium nitrate

Maria J. C. Lanca; Maria José Lourenço; F. J. V. Santos; V. M. B. Nunes; Carlos A. Nieto de Castro

International Journal of Thermophysics | 2010

Viscosity of Industrially Important Al–Zn Alloys. I-Quasi-eutectic Alloys

V. M. B. Nunes; M. J. V. Lourenço; F. J. V. Santos; C. A. Nieto de Castro

High Temperatures-high Pressures | 2003

The meniscus effect in viscosity determinations by the oscillating-cup method

V. M. B. Nunes; Maria José Lourenço; F. J. V. Santos; Carlos A. Nieto de Castro

International Journal of Thermophysics | 2017

Measurements of the Viscosity of Molten Lithium Nitrate by the Oscillating-cup Method

V. M. B. Nunes; M. J. V. Lourenço; F. J. V. Santos; C. A. Nieto de Castro

Molten Salts and Ionic Liquids: Never the Twain? | 2012

Accurate Measurement of Physicochemical Properties on Ionic Liquids and Molten Salts

V. M. B. Nunes; M. J. V. Lourenço; F. J. V. Santos; Manuel Lopes; C. A. Nieto de Castro

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F. J. V. Santos

University of Lisbon

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C. A. Nieto de Castro

University of Lisbon

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M. J. V. Lourenço

University of Lisbon

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Carlos A. Nieto de Castro

University of Lisbon

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Maria José Lourenço

University of Lisbon

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C. S. Queirós

University of Lisbon

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Manuel Lopes

University of Lisbon

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João M. P. França

University of Lisbon

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