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Uncertainty of the liquid mass flow measurement using the orifice plate

Abstrakt

The article presents an estimation of measurement uncertainty of a liquid mass flow using the orifice plate. This subject is essential because of the widespread use of this type of flow meters. Not only the quantitative estimation but also the qualitative results of those measurements are important. To achieve these results the authors of the paper propose to use the theory of uncertainty. The article shows the analysis of the measurement uncertainty using two methods: one based on the ‘Guide to the expression of uncertainty in measurement’ (GUM) of the International Organization for Standardization by means of the law of propagation of uncertainty, and the second one by means of the Monte Carlo numerical method. The paper presents a comparative analysis of the results obtained by employing both of these methods for the centric and eccentric orifice plate. In both of the examples, the resulting uncertainty of flow measurement is approximately 1%. The uncertainty determined by the analytical method was higher than what was obtained from the Monte Carlo simulations with a difference of 0.04%.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
FLOW MEASUREMENT AND INSTRUMENTATION nr 62, strony 84 - 92,
ISSN: 0955-5986
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Golijanek-Jędrzejczyk A., Świsulski D., Hanus R., Zych M., Petryka L.: Uncertainty of the liquid mass flow measurement using the orifice plate// FLOW MEASUREMENT AND INSTRUMENTATION. -Vol. 62, (2018), s.84-92
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.flowmeasinst.2018.05.012
Weryfikacja:
Politechnika Gdańska

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