Read e-book online Air Bubble Entrainment in Free-Surface Turbulent Shear Flows PDF

By Hubert Chanson

ISBN-10: 0121681106

ISBN-13: 9780121681104

Content material:
Abstract

, Pages xiii-xvi,I-IV
Acknowledgements

, Page xvii
About the author

, Page xviii
List of symbols

, Pages xix-xxix
Glossary

, Pages xxxi-xlix
Chapter 1 - Introduction

, Pages 2-16
Chapter 2 - Mechanisms of air bubble entrainment

, Pages 17-26
Chapter three - Similitude and experimental studies

, Pages 27-35
Chapter four - Air-water gasoline transfer

, Pages 36-41
Chapter five - Plunging jet flows: Presentation

, Pages 44-52
Chapter 6 - Air entrainment by way of plunging jets

, Pages 53-72
Chapter 7 - Air entrainment in hydraulic jumps

, Pages 73-92
Chapter eight - Air entrainment in plunging jet flows: comparable situations and gasoline transfer

, Pages 93-101
Chapter nine - Self-aerated flows-presentation

, Pages 104-109
Chapter 10 - Air entrainment in steep chute flows

, Pages 110-132
Chapter eleven - Air entrainment in small-slope waterways

, Pages 133-143
Chapter 12 - Air entrainment in partially-filled conduits

, Pages 144-152
Chapter thirteen - Air entrainment in open channels: Discussion

, Pages 153-164
Chapter 14 - advent to high-velocity water jets discharging into the ambience and ventilated hollow space flows

, Pages 166-173
Chapter 15 - Air entrainment in high-velocity water jets

, Pages 174-188
Chapter sixteen - Ventilated hollow space flows

, Pages 189-199
Chapter 17 - Spillway software: Aeration devices

, Pages 200-214
Chapter 18 - precis: Air bubble diffusion in shear flows

, Pages 216-234
Chapter 19 - Conclusion

, Pages 235-238
References

, Pages 239-261
Appendix A - Constants and fluid properties

, Pages 263-270
Appendix B - Unit conversions

, Pages 271-273
Appendix C - Bubble upward push velocity

, Pages 274-277
Appendix D - Sound celerity in two-phase (gas-liquid) flow

, Pages 278-280
Appendix E - Air bubble diffusion at plunging water jets

, Pages 281-288
Appendix F - attribute parameters of boundary layer

, Pages 289-292
Appendix G - Air focus distributions in self-aerated flows

, Pages 293-303
Appendix H - Air-water stream in partially-filled pipes

, Pages 304-306
Appendix I - Air focus distributions in water jets discharging into the atmosphere

, Pages 307-315
Appendix J - Jet trajectory calculations

, Pages 316-322
Appendix ok - Air bubble dimension distribution characteristics

, Pages 323-326
Appendix L - Air-water move as acknowledged via Leonardo da Vinci

, Pages 327-329
Appendix M - Corrections

, Pages 330-331
Index of authors

, Pages 333-337
Subject index

, Pages 339-348

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Extra resources for Air Bubble Entrainment in Free-Surface Turbulent Shear Flows

Sample text

Sanctuary Cove, Australia (Photograph by the author) Free-surface aeration is enhanced by a very-rough bottom (A) General view Fig. 1-9 - White waters at a stepped cascade. Hong Kong Park (Photograph by the author) (B) Detail of the flow Introduction 11 Fig. 1-10 - Series of water jets : the Italian gardens, Kensington Garden, London built in 1862 (Photograph by the author) Two superb designs are the Chadar^ and the Great Cascade^. A chadar is a stone channel used to carry water from one terrace garden to another.

E. abrupt increase or decrease in depth). An abrupt increase in flow depth is called a 'positive surge' while a sudden decrease in depth is termed a 'negative surge'. A positive surge is also called (improperly) a 'moving hydraulic jump' or a 'hydraulic bore'. Systeme international d'unites : international system of units adopted in 1960 based on the metre-kilogramsecond (MKS) system. It is commonly called SI unit system. The basic seven units are : for length, the metre; for mass, the kilogram; for time, the second; for electric current, the ampere; for luminous intensity, the candela; for amount of substance, the mole; for thermodynamic temperature, the kelvin.

Stream tube : is a filament of fluid bounded by streamlines. Subcritical flow. In open channel the flow is defined as subcritical if the flow depth is larger than the critical flow depth. In practice, subcritical flows are controlled by the downstream flow conditions. , the flow velocity is less than the sound celerity. Supercritical flow : In open channel, when the flow depth is less than the critical flow depth, the flow is supercritical and the Froude number is larger than one. Supercritical flows are controlled from upstream.

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Air Bubble Entrainment in Free-Surface Turbulent Shear Flows by Hubert Chanson


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