Influence of the stream swirl on the characteristics of the measuring orifice

• Autorzy: Dobrowolski B. , Kręcisz K.

Warianty tytułu

PL

Analiza wpływu zawirowania strugi na właściwości metrologiczne kryzy pomiarowej

• Języki publikacji: EN

Abstrakty

EN

The paper contains theoretical considerations on the influence of axisymmetric swirl of the stream on characteristics of the measuring orifice. Equations of the mathematical model were solved with the finite volume method. Detailed calculations were done for the orifices with diameter ratios Beta = 0.25, 0.5 and 0.75 for the Reynolds number Re = 100 000. It was found that the swirling flow strongly influenced the discharge coefficient C for the orifice.

PL

Przedmiotem pracy jest ocena wpływu osiowo-symetrycznego zawirowania strugi na właściwości metrologiczne kryzy pomiarowej. Równania modelu matematycznego rozwiązano metodą objętości skończonych. Obliczenia numeryczne wykonano dla kryz Beta = 0,25, 0,5 i 0,75 i liczby Reynoldsa Re = 100 000. Stwierdzono, że zawirowanie strugi powoduje dużą zmianę wartości liczby przepływu.

Słowa kluczowe

EN

finite volume method; measuring orifice; Reynolds number; stream

PL

kryza pomiarowa; liczba Reynoldsa; metoda objętości skończonych; struga

• Wydawca: Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk
• Czasopismo: Inżynieria Chemiczna i Procesowa
• Rocznik: 2006
• Tom: T. 27, z. 3/1
• Strony: 657--668
• Opis fizyczny: Bibliogr. 23 poz.,

Twórcy

autor

Dobrowolski B.

autor

Kręcisz K.

• WSI w Opolu

Bibliografia

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