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The analysis of turbulent flow structure in a free jet

Bartoszewicz J.

International Journal of Applied Mechanics and Engineering

2009

Vol. 14, no 4

917-928

The paper presents the results of numerical calculations and experimental investigations of free jets under variable turbulence in the jet outlet. The research concerns two cases: the issue of an unstimulated axisymmetric jet to stationary surroundings and the impinge of an unstimulated jet on a flat fixed surface. The results of the numerical calculations have been presented in graphs showing the impact of the changes in the initial turbulence on the structure of the turbulence in the jet. A comparison of the numerical calculations with own results of the experimental investigations has been made for selected cases.