The distribution of the electric current in a watt-balance coil
Carlo Paolo Sasso, Enrico Massa, Giovanni Mana
TL;DR
This paper models the three-dimensional interaction between the coil and magnetic field in watt-balance experiments to improve the understanding and accuracy of measuring the Planck constant.
Contribution
It introduces a continuous 3D model of coil-field interaction, enhancing the analysis of watt-balance measurements.
Findings
Provides a detailed 3D interaction model
Improves understanding of coil and magnetic field dynamics
Supports more accurate Planck constant measurements
Abstract
In the watt balance experiments, separate measurements of the magnetic and electromotive forces in a coil in a magnetic field enable a virtual comparison between mechanical and electric powers to be carried out, which lead to an accurate measurement of the Planck constant. This paper investigates the three-dimensional nature of the coil-field interaction and describes the balance operation by a continuous three-dimensional model.
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Taxonomy
TopicsScientific Measurement and Uncertainty Evaluation · Non-Destructive Testing Techniques · Advanced Electrical Measurement Techniques