Dominant Vortices in Impinging Jet Flows

Article type: Research Article

Authors: Tesar, V. | Barker, J.

Affiliations: Department of Chemical and Process Engineering, The University of Sheffield, Mappin Street, S1 3JD, Sheffield, UK.

Note: [] on leave from CVUT Praha, Czech Republic

Abstract: A novel method of flow visualization by dye was used in conjunction with numerical solutions to investigate the formation stages of large stationary vortical motions located in the "trajectory bend" centers of impinging jet flows. The vortices dominate the flowfield and were found to have profound influence on the wall transport phenomena. Depending on the value of Reynolds number, four regimes were identified with different flow character.

Keywords: impinging jets, vortices, visualization, numerical solutions

Journal: Journal of Visualization, vol. 5, no. 2, pp. 121-128, 2002