Abstract

1. Aerated water jets are finding wide use in solving a number of practical problems. A determination of the effect of braking of the velocity field in a jet as a function of the air content is especially important. 2. On the basis of laboratory experimentation, a formula (8) of the decrease of the relative axial longitudinal velocities in water-air jets spreading beneath the water level as a function of the air content in their initial section is derived. 3. The length of the initial section of a jet changes considerably in the presence of aeration and can be determined by formula (9).

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