Abstract
It has been shown here that use of a skewed coordinate system, aligning the coordinate axes with the jet and the stream velocity vectors, can greatly simplify the description of the trajectories of turbulent jets discharging at various angles of inclination into a uniform cross stream and having various ratios between the initial jet velocity and the stream velocity. By aid of this skewed coordinate system and on the basis of dimensional and similarity considerations, the centerline trajectories of such jets appear to be very well correlated by a simple power law. The centerline trajectory and induced pressure field of the deflected jets also can be determined by integrating numerically the momentum equation from the given initial condition at the jet exit and with the entrainment coefficient and the crossflow drag coefficient chosen from the test data. Such calculations certainly are important for determining the pressure field induced by the deflected jet, but the present formula should provide a convenient and sufficient estimation of the centerline trajectory of the deflected jets.
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