Berry, J; Lovelock, P; Robinson, I A; Urquhart, J (2022) Vibrational analysis for the next generation NPL Kibble balance. In: IMEKO 24th TC3, 14th TC5, 6th TC16 and 5th TC22 International Conference, 11-13 October 2022, Cavtat-Dubrovnik, Croatia.

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Abstract

Low uncertainty Kibble balance measurements require careful consideration of the effect of external sources of vibration. This paper compares vibrational modelling of the machine frame of the National Physical Laboratory’s next generation Kibble balance using three different software packages. The output of the modelling was compared with physical measurements on the machine frame using a mechanical shaking device and accelerometer.

The model was then enhanced to include the moving section of the balance and the modeling results were again compared with physical measurements.

Item Type:	Conference or Workshop Item (Paper)
Keywords:	Kibble balance; mass; vibration; modal analysis
Subjects:	Engineering Measurements > Mass, Force, Pressure
Divisions:	Materials and Mechanical Metrology
Identification number/DOI:	10.2014/tc22-2022.077
Last Modified:	11 Oct 2023 13:37
URI:	https://eprintspublications.npl.co.uk/id/eprint/9843