Flow visualization using high speed photography is used to study the structure of two liquid and one air impinging turbulent jets. The break up structure is discussed and the resulting spray angle at large air flow rates is obtained. The spray angle increases with the air flow rate except for the case when the water jet velocity is so small that the flow rate of air does not have significant effects on the spray angle. Phase Doppler Anemometry measurements of liquid droplet sizes and velocities are also given in terms of radial profiles at several axial locations from the point of impingement.

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