Abstract
An experimental study on the confluence of two two-dimensional incompressible turbulent jets, issuing from nozzles with angle θ0 against the nozzle exit plane, has been presented. The axial momentum and the energy flux of the jets along the z-axis perpendicular to the exit plane are calculated by using the measured values of velocity and pressure distributions. It has been shown that the axial momentum flux along the z-axis decreases owing to the confluence, that the energy flux also decreases remarkably owing to the confluence, that the energy flux also decreases remarkably owing to the confluence, and that the decreased values are approximately 40% of the efflux energy of the jet, independent of the ratio of a distance between two nozzles to the nozzle width and θ0. A method of predicting the velocity distribution also has been proposed. The predicted values agreed well with the experimental results.
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