Plunge-Pool Aeration Due to Inclined Jetsby Assem M. Afify, Hydraulics and Sediment Research, Inst, Cairo, Egypt,
Gilberto E. Urroz, Hydraulics and Sediment Research, Inst, Cairo, Egypt,
Document Type: Proceeding Paper
Part of: Hydraulic Engineering
The present study quantifies how jet height and nozzle inclination angle and diameter affect the rate of air entrained by inclined circular jets. An air-collection hood and a vacuum pump were used to measure the amount of air entrainment. In high-velocity jets, the jet tends to break up and entrain air along the jet's path, as well as, at the point of impact with the pool. On the other hand, for low-velocity jets most of the air entrainment takes place at the point of impact with the water surface and the jet surface is relatively smooth along the jet's path. Expressions quantifying the air entrainment rate were obtained for both the low-velocity and the high-velocity jets.
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