Three Theorectical Investigations Of Turbulent Jets
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A Theoretical and Experimental Investigation of Turbulent Jet Interaction
Author | : Steven Brian Weeks |
Publisher | : |
Total Pages | : 96 |
Release | : 1969 |
Genre | : Mechanical engineering |
ISBN | : |
The interaction of two impinging plane turbulent jets was investigated for the purpose of understanding the performance of proportional fluid amplifiers and momentum-exchange devices. Velocity and turbulence profiles were measured across and at various distances along the combined jet axis through the use of a constant temperature hot-wire anemometer. Experimentally determined jet deflection angles were found to agree with those predicted in a previous work by the free-streamline theory. The results, which are presented in terms of normalized parameters, show that the jet interaction may be divided into three regions: mixing; transition; and fully developed. A vena-contracta effect was found to exist in the mixing region. A discussion of each of the three regions is presented in detail along with generalizations for similar geometries. (Author).