Abstract
A study of uncertainty analysis was conducted on four key thermophysical
properties of molten Platinum using a non-contacting levitation technique. More
specifically, this work demonstrates a detailed reporting of the uncertainties
associated with the density, volumetric thermal expansion coefficient, surface
tension and viscosity measurements at higher temperatures for a widely used
refractory metal, Platinum using electrostatic levitation (ESL). The
microgravity experiments were conducted using JAXA’s Electrostatic
Levitation Furnace (ELF) facility on the International Space Station and the
terrestrial experiments were conducted using NASA’s Marshal Space Flight
Center’s ESL facility. The performance of these two facilities were then
quantified based on the measurement precision and accuracy using the
metrological International Standards Organization’s Guide to the
Expression of Uncertainty Measurement (GUM) principles.
Publisher
The Korean Space Science Society
Subject
General Earth and Planetary Sciences,General Physics and Astronomy
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