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Air Bubble Entrainment in Free-Surface Turbulent Shear Flows

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Air Bubble Entrainment in Free-Surface Turbulent Shear Flows

Hubert Chanson

ISBN 0121681106
Pages 348

This book develops an analysis of the air entrainment processes in free-surface flows. These flows are investigated as homogeneous mixtures with variable density. Several types of air-water free-surface flows are studied: plunging jet flows, open channel flows, and turbulent water jets discharging into air. Experimental observations reported by the author confirm the concept that the air-water mixture behaves as a homogeneous compressible fluid in each case. This book will be of great interest to professionals working in many fields of engineering: chemical, civil, environmental, mechanical, mining, metallurgy, and nuclear.

PART I: Introduction: Mechanisms of Air Bubble Entrainment. Similitude and Experimental Studies. Air-Water Gas Transfer. PART II: Plunging Jet Flows: Presentation. Air Entrainment by Plunging Jets. Air Entrainment in Hydraulic Jumps. Air Entrainment in Plunging Jet Flows: Related Cases and Gas Transfer. PART III: Self Aerated Open Channel Flows: Self-Aerated Flows - Presentation. Air Entrainment in Steep Chute Flows. Air Entrainment in Small-Slope Waterways. Air Entrainment in Partially-filled Conduits. Air Entrainment in Open Channels: Discussion. PART IV: High-Velocity Water Jets and Related Air-Water Flows: Introduction to High-Velocity Water Jets Discharging into the Atmosphere. Air Entrainment in High-Velocity Water Jets. Ventilated Cavity Flows. Spillway Application: Aeration Devices. Part V: Summary and Conclusion. Appendices. Subject Index. Author Index.