The watt or Kibble balance: a technique for implementing the new SI definition of the unit of mass
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 …
been made possible by the Kibble balance, previously known as the watt balance. Once the …
A determination of the Planck constant using the LNE Kibble balance in air
A determination of the Planck constant h using the LNE Kibble balance in air was carried out
in the spring of 2017. Substantial improvements since 2014, chiefly related to the mass …
in the spring of 2017. Substantial improvements since 2014, chiefly related to the mass …
Progress on accurate measurement of the Planck constant: watt balance and counting atoms
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 …
the precision measurement of the value of h has been a hot issue due to its important role for …
The first determination of the Planck constant with the joule balance NIM-2
Z Li, Z Zhang, Y Lu, P Hu, Y Liu, J Xu, Y Bai, T Zeng… - Metrologia, 2017 - iopscience.iop.org
Abstract The National Institute of Metrology (NIM, China) proposed a joule balance method
to measure the Planck constant in 2006, and built the first prototype NIM-1 to verify its …
to measure the Planck constant in 2006, and built the first prototype NIM-1 to verify its …
Coil-current effect in Kibble balances: analysis, measurement, and optimization
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 …
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
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) …
China (NIM) since 2007. By the end of 2013 the first generation of the joule balance (NIM-1) …
A capacitive sensor for the measurement of departure from the vertical movement
T Zeng, Y Lu, Y Liu, H Yang, Y Bai, P Hu… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
A capacitive sensor is proposed to measure the departure from the vertical movement. It has
a special structure consisting of a long silica filament static plate and a cylindrical-surface …
a special structure consisting of a long silica filament static plate and a cylindrical-surface …
[PDF][PDF] 能量天**及千克单位重新定义研究进展
****坤， 张钟华， 鲁云峰， 白洋， 许金鑫， 胡鹏程… - 物理学报, 2018 - wulixb.iphy.ac.cn
质量单位千克是国际单位制7 个基本单位中惟一一个仍以实物定义和复现的基本单位.
作为一种实物, 其量值必然会因为环境因素及使用时的磨损而发生变化. 但由于缺少更高一级的 …
作为一种实物, 其量值必然会因为环境因素及使用时的磨损而发生变化. 但由于缺少更高一级的 …
Coils and the electromagnet used in the joule balance at the NIM
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 …
watt balance is replaced by the mutual inductance measurement in an attempt to provide an …
A permanent magnet system for Kibble balances
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 …
group at the Bureau International des Poids et Mesures (BIPM) proposed a permanent …