The watt or Kibble balance: a technique for implementing the new SI definition of the unit of mass

IA Robinson, S Schlamminger - Metrologia, 2016 - iopscience.iop.org
The redefinition of the SI unit of mass in terms of a fixed value of the Planck constant has
been made possible by the Kibble balance, previously known as the watt balance. Once the …

The irony of the magnet system for Kibble balances—a review

S Li, S Schlamminger - Metrologia, 2022 - iopscience.iop.org
The magnet system is an essential component of the Kibble balance, a device that is used to
realize the unit of mass. It is the source of the magnetic flux, and its importance is captured in …

Progress on accurate measurement of the Planck constant: watt balance and counting atoms

SS Li, ZH Zhang, W Zhao, ZK Li, SL Huang - Chinese Physics B, 2014 - iopscience.iop.org
The Planck constant h is one of the most significant constants in quantum physics. Recently,
the precision measurement of the value of h has been a hot issue due to its important role for …

Coil-current effect in Kibble balances: analysis, measurement, and optimization

S Li, F Bielsa, M Stock, A Kiss, H Fang - Metrologia, 2017 - iopscience.iop.org
The Kibble balance is expected to become an important instrument in the near future for
realizing the unit of mass, the kilogram, in the revised international system of units (SI). The …

A determination of the Planck constant by the generalized joule balance method with a permanent-magnet system at NIM

J Xu, Z Zhang, Z Li, Y Bai, G Wang, S Li, T Zeng, C Li… - Metrologia, 2016 - iopscience.iop.org
The joule balance experiment has been carried out at the National Institute of Metrology,
China (NIM) since 2007. By the end of 2013 the first generation of the joule balance (NIM-1) …

Coils and the electromagnet used in the joule balance at the NIM

Z Zhang, Z Li, B Han, Y Lu, S Li, J Xu… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In the joule balance developed at National Institute of Metrology, the dynamic phase of a
watt balance is replaced by the mutual inductance measurement in an attempt to provide an …

Load response of magnetorheological (MR) plastomer dampers under applied magnetic fields

MA Aziz, SM Aminossadati, C Leonardi - Journal of Magnetism and …, 2022 - Elsevier
Magnetorheological plastomers (MRPs) are smart fluids whose rheological properties make
them suitable for suspension systems, structural engineering, electrical transmission lines …

Performance analysis of magnetorheological plastomer dampers with different annular shear gaps

MA Aziz, SM Aminossadati, C Leonardi - Journal of Magnetism and …, 2023 - Elsevier
Magnetorheological plastomer (MRP) dampers are controllable semi-active smart devices,
which are commonly used in the field of vehicle suspension systems, structural engineering …

A permanent magnet system for Kibble balances

S Li, F Bielsa, M Stock, A Kiss, H Fang - Metrologia, 2017 - iopscience.iop.org
The magnet is one of the fundamental elements in Kibble balances. The Kibble balance
group at the Bureau International des Poids et Mesures (BIPM) proposed a permanent …

Designing model and optimization of the permanent magnet for joule balance NIM-2

Q You, J Xu, Z Li, S Li - IEEE Transactions on Instrumentation …, 2016 - ieeexplore.ieee.org
The permanent magnet with yokes is widely used in watt and joule balances to measure the
Planck constant for the forthcoming redefinition of the unit of mass, the kilogram. Recently …