Application of stereology for assessment of two-phase flow structures

• Autorzy: Masiukiewicz M. , Ulbrich R. , Zając D.
• Języki publikacji: EN

Abstrakty

EN

This paper describes a method for two-phase flow structures evaluation of gas-liquid mixture based on theoretical assumptions for the stereology in materials science. This assessment is based on the analysis of digital images, obtained with a high-speed camera. The bright field technique was used for process visualization. The images obtained during the visualisation were, in fact, projections of the structures. For the given recording conditions, the stereological analysis applied was based on the linear method and on the method of random and directed secants. The new methods of determining important parameters of two-phase flow were proposed on the basis of collected data. The parameters are as follows: the volume fraction, the interfacial area, the number of objects in one of the phases of the mixture and two other structural parameters of the selected two-phase fluid obtained from the analysis of the two-dimensional image (average length of chords for projected objects, average free distance for convex shapes from the projection).

Słowa kluczowe

EN

stereological analysis; two-phase flow pattern; pattern recognition

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN
• Czasopismo: Transactions of the Institute of Fluid-Flow Machinery
• Rocznik: 2013
• Tom: nr 125
• Strony: 39--54
• Opis fizyczny: Bibliogr. 39 poz., rys., tab.

Twórcy

autor

Masiukiewicz M.

• Opole University of Technology, Faculty of Mechanical Engineering, Department of Environmental Engineering, 5 Mikołajczyka Street, 45-271 Opole, Poland

autor

Ulbrich R.

• Opole University of Technology, Faculty of Mechanical Engineering, Department of Environmental Engineering, 5 Mikołajczyka Street, 45-271 Opole, Poland

autor

Zając D.

• Opole University of Technology, Faculty of Mechanical Engineering, Department of Environmental Engineering, 5 Mikołajczyka Street, 45-271 Opole, Poland

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