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physics.ins-det2016
Designing Model and Optimization of the Permanent Magnet for Joule Balance NIM-2
Qiang You, Jinxin Xu, Zhengkun Li +1
Permanent magnets with yokes are widely used in the watt and joule balances to measure the Planck constant for the forthcoming redefinition of the unit of mass, the kilogram. Recen…
physics.ins-det2016
A Five-Freedom Active Damping and Alignment Device Used in the Joule Balance
Jinxin Xu, Qiang You, Zhonghua Zhang +2
Damping devices are necessary for suppressing the undesired coil motions in the watt/joule balance. In this paper, an active electromagnetic damping device, located outside the mai…