Measurement method of the standard volume of bell provers

doi:10.3969/j.issn.1000-1565.2019.05.003

Journal of Hebei University (Natural Science Edition) ›› 2019, Vol. 39 ›› Issue (5): 459-465.DOI: 10.3969/j.issn.1000-1565.2019.05.003

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Measurement method of the standard volume of bell provers

LIU Chenkui, QU Hongqiang, CHEN Shiyan, NIU Lina, XING Jingfang

Instiute of Thermal Engineering and Energy Metrology, Institute of Metrology of Hebei Province, Shijiazhuang 050000, China

Received:2019-01-27 Online:2019-09-25 Published:2019-09-25

Abstract

Abstract: In order to accurately measure the standard volume of large volume and high accuracy bell provers, the measurement methods of dimension and industrial digital photogrammetry are selected as the research method on the basis of reference verification regulation and new standard volume measurement methods at worldwide.Through building mathematical model, collecting test datas and comparing analysis, it is proved that industrial digital photogrammetry technology can meet the requirement of traceability, and the method has high automation degree, high measurement accuracy and high subdivision degree, and can construct the geometry of the inner cavity effectively, which provides the possibility for the follow-up study of start and stop measurement at any point of bell provers.

Key words: bell provers, standard volume, the measurement method of dimension, the measurement method of industrial digital photogrammetry

CLC Number:

O368

LIU Chenkui, QU Hongqiang, CHEN Shiyan, NIU Lina, XING Jingfang. Measurement method of the standard volume of bell provers[J]. Journal of Hebei University (Natural Science Edition), 2019, 39(5): 459-465.

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Measurement method of the standard volume of bell provers

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