Trajectory and Spreading of a Turbulent Jet in the Presence of a Crossflow of Arbitrary Velocity Distribution

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Abstract
The trajectory and spreading of a turbulent circular jet of air issuing from a wall in a perpendicular or near perpendicular fashion into a crossflow whose velocity component along the wall may vary arbitrarily in the direction normal to the wall is treated in a semianalytic fashion. The method of attack on the problem was instigated by the work of Abramovich on the turbulent circular jet of air in a constant velocity crossflow. Results for the trajectories and spreading are presented for the two special cases of a constant velocity crossflow and a crossflow whose velocity varies linearly in a direction normal to the wall. For the constant velocity case, experimental results are available in Abramovich and the analysis undertaken here shows good agreement with those results.

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