Visualization of the flow structure with velocity field measurements in unsteady motion of the fluid

Authors

DOI:

https://doi.org/10.15587/2312-8372.2013.18374

Keywords:

unsteady, non-stationary, fluid motion, velocity distribution, flow structure, flow visualization.

Abstract

Based on the analysis of scientific researches on the unsteady motion of fluid in pipes it was found that the most accurate study of the flow structure can be obtained by the flow visualization with the measurement of velocity fields and turbulence characteristics.

The use of the laser Doppler velocity meter for studying the structure of unsteady fluid flow was substantiated. For measuring the fluid flow velocity, the laser Doppler velocity meter was used, allowing to measure the flow rates of fluids and gases in local resistances of circular pipelines, as well as in circular pipes with a curved longitudinal axis.

The method of studying the flows using high-speed filming and photographing was developed. The operating experimental facility was made that provides film and photographic recording of the structure of actual non-stationary flows of fluids in circular pipelines. Visualization of the flows on local resistances and pipelines was held.

Author Biography

Роман Маріанович Гнатів, National University "Lviv Polytechnic", str. Dubrova, 4, Lvivska region, m. Striy, 82400

Ph.D., Associate Professor

Department of Hydraulic Engineers

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Published

2013-10-29

How to Cite

Гнатів, Р. М. (2013). Visualization of the flow structure with velocity field measurements in unsteady motion of the fluid. Technology Audit and Production Reserves, 5(5(13), 14–16. https://doi.org/10.15587/2312-8372.2013.18374

Issue

Vol. 5 No. 5(13) (2013): MATERIALS OF SCIENTIFIC CONFERENCE. Information technology and control systems

Section

Information technology and control systems

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Copyright (c) 2016 Роман Маріанович Гнатів

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