Book contents
- Handbook of Hydraulic Geometry
- Handbook of Hydraulic Geometry
- Copyright page
- Dedication
- Contents
- Preface
- Acknowledgments
- 1 Introduction
- 2 Governing Equations
- 3 Regime Theory
- 4 Leopold–Maddock (LM) Theory
- 5 Theory of Minimum Variance
- 6 Dimensional Principles
- 7 Hydrodynamic Theory
- 8 Scaling Theory
- 9 Tractive Force Theory
- 10 Thermodynamic Theory
- 11 Similarity Principle
- 12 Channel Mobility Theory
- 13 Maximum Sediment Discharge and Froude Number Hypothesis
- 14 Principle of Minimum Froude Number
- 15 Hypothesis of Maximum Friction Factor
- 16 Maximum Flow Efficiency Hypothesis
- 17 Principle of Least Action
- 18 Theory of Minimum Energy Dissipation Rate
- 19 Entropy Theory
- 20 Minimum Energy Dissipation and Maximum Entropy Theory
- 21 Theory of Stream Power
- 22 Regional Hydraulic Geometry
- Index
- References
21 - Theory of Stream Power
Published online by Cambridge University Press: 24 November 2022
Book contents
- Handbook of Hydraulic Geometry
- Handbook of Hydraulic Geometry
- Copyright page
- Dedication
- Contents
- Preface
- Acknowledgments
- 1 Introduction
- 2 Governing Equations
- 3 Regime Theory
- 4 Leopold–Maddock (LM) Theory
- 5 Theory of Minimum Variance
- 6 Dimensional Principles
- 7 Hydrodynamic Theory
- 8 Scaling Theory
- 9 Tractive Force Theory
- 10 Thermodynamic Theory
- 11 Similarity Principle
- 12 Channel Mobility Theory
- 13 Maximum Sediment Discharge and Froude Number Hypothesis
- 14 Principle of Minimum Froude Number
- 15 Hypothesis of Maximum Friction Factor
- 16 Maximum Flow Efficiency Hypothesis
- 17 Principle of Least Action
- 18 Theory of Minimum Energy Dissipation Rate
- 19 Entropy Theory
- 20 Minimum Energy Dissipation and Maximum Entropy Theory
- 21 Theory of Stream Power
- 22 Regional Hydraulic Geometry
- Index
- References
Summary
Whenever there is flow of water in an alluvial channel, the water entrains and transports sediment. The entrainment and transport of sediment require work that flow must perform, and to perform the work requires energy. The water has potential energy due to elevation, which is transformed to kinetic energy part of which is utilized to do this work and part is dissipated to overcome boundary and bed friction. The time rate of potential energy expenditure is the stream power, which plays a fundamental role in the evolution of a fluvial system. Using the theory of stream power, this chapter derives constraints for hydraulic geometry.
Keywords
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- Chapter
- Information
- Handbook of Hydraulic GeometryTheories and Advances, pp. 510 - 528Publisher: Cambridge University PressPrint publication year: 2022
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