Applying Recurrence Plots to Identify Borders Between Two-Phase Flow Patterns in Vertical Circular Mini Channel

• Autorzy: Faszczewski M. , Górski G. , Mosdorf R.
• Języki publikacji: PL

Abstrakty

EN

In the paper the method based on recurrence plots has been used for identification of two-phase flow in a vertical, circular minichannel. The time series obtained from image analysis of high speed video have been used. The method proposed in the present study allows us to define the coefficients which characterize the dynamics of two-phase flow in a mini channel. To identify two-phase flow patterns in a mini channel there has been used the coefficient LAVG which is a measure of an average length of diagonal lines in recurrence plot. The following two-phase flow structures have been considered: bubbly, bubbly-slug and wavy-annular. Obtained results show that method proposed in the paper enables identification of borders between two two-phase flow patterns coexisting in a mini-channel.

Słowa kluczowe

PL

minikanał; przepływ dwufazowy; analiza nieliniowa

EN

minichannel; two-phase flow; method of recurrence plots; nonlinear analysis; bubble plump

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2012
• Tom: Vol. 6, no. 1
• Strony: 31--35
• Opis fizyczny: Bibliogr. 14 poz., Wykr.

Twórcy

autor

Faszczewski M.

autor

Górski G.

autor

Mosdorf R.

• Faculty of Mechanical Engineering, Bialystok University of Technology, ul. Wiejska 45 C, 15-351 Białystok, Poland,

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