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RESEARCH PAPERS

Experimental Investigations of Steady Flow in a Tube With Circumferential Wall Cavity

[+] Author and Article Information
Krzysztof Cieslicki

Institute of Automatic Control & Robotics, Warsaw University of Technology, Chodkiewicza 8, Warsaw, Poland; Department of Physics of Flow, Strata Mechanics Research Institute, Polish Academy of Science, Reymonta 27, Krakow, Poland

Anna Lasowska

Department of Physics of Flow, Strata Mechanics Research Institute, Polish Academy of Science, Reymonta 27, Krakow, Poland

J. Fluids Eng 121(2), 405-409 (Jun 01, 1999) (5 pages) doi:10.1115/1.2822222 History: Received November 17, 1997; Revised February 03, 1999; Online January 22, 2008

Abstract

The problem of an axisymmetrical laminar flow past a square cavity was treated experimentally. The cavity flow patterns obtained in flow visualization were of a special interest. Some geometrical features of dividing streamline like coordinates of separate and reattachment points as well as the coordinates of the vortex center were measured for a range of Re numbers and compared with the numerical results obtained by Stevenson. The detected flow patterns were also related to the global pressure-flow characteristic. Two zones of laminar flow characterized by the different nonlinear corrections to Darcy’s law were distinguished.

Copyright © 1999 by The American Society of Mechanical Engineers
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