International Journal of Thermophysics

, Volume 19, Issue 2, pp 427–435 | Cite as

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.

high temperature molten salts oscillating-cup viscometer viscosity 


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Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

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

There are no affiliations available

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