An experimental study on the structure of a turbulent cross jet mixing
flow is presented. Diffusion rates, two and three dimensional flow st
ructures, mean velocities, turbulence intensities and turbulent shear
stresses of the mixing flow were measured as varying the velocity rati
o. Self-similar forms for the dimensionless mean velocity and turbulen
t shear stress profiles were found, particularly a semi-empirical curv
e for the turbulent shear stresses was obtained by correlating the mea
surement data resulting a remarkable agreement. It was found that the
deviation gradient(alpha) is linearly correlated with the velocity rat
io(R), and the cross section of the mixing flow is an elliptic form.