UID:
edocfu_9959242811702883
Umfang:
1 online resource (550 p.)
ISBN:
981-279-574-X
,
1-61583-039-1
Serie:
Advanced series on ocean engineering ;
Inhalt:
This book discusses the subject of wave/current flow around a cylinder, the forces induced on the cylinder by the flow, and the vibration pattern of slender structures in a marine environment. The primary aim of the book is to describe the flow pattern and the resulting load which develops when waves or current meet a cylinder. Attention is paid to the special case of a circular cylinder. The development in the forces is related to the various flow patterns and is discussed in detail. Regular as well as irregular waves are considered, and special cases like wall proximities (pipelines) are also investigated. The book is intended for MSc students with some experience in basic fluid mechanics and for PhD students.
Anmerkung:
Description based upon print version of record.
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Contents; Preface; Credits; List of symbols; Chapter 1. Flow around a cylinder in steady current; 1.1 Regimes of flow around a smooth, circular cylinder; 1.2 Vortex shedding; 1.2.1 Vortex-shedding frequency; Effect of surface roughness; Effect of cross-sectional shape; Effect of incoming turbulence; Effect of shear in the incoming flow; Effect of wall proximity; 1.2.2 Correlation length; REFERENCES; Chapter 2. Forces on a cylinder in steady current; 2.1 Drag and lift; 2.2 Mean drag; Form drag and friction drag; Drag coefficient; Effect of surface roughness; 2.3 Oscillating drag and lift
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2.4 Effect of cross-sectional shape on force coefficients2.5 Effect of incoming turbulence on force coefficients; 2.6 Effect of angle of attack on force coefficients; 2.7 Forces on a cylinder near a wall; Drag force on a cylinder near a plane wall; Lift force on a cylinder near a plane wall; Oscillating drag and lift on a cylinder near a plane wall; Forces on a pipeline in/over a scour trench; REFERENCES; Chapter 3. Flow around a cylinder in oscillatory flows; 3.1 Flow regimes as a function of KC number; 3.2 Vortex-shedding regimes; 3.3 Effect of Reynolds number on flow regimes
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3.4 Effect of wall proximity on flow regimes3.5 Correlation length; 3.6 Streaming; REFERENCES; Chapter 4. Forces on a cylinder in regular waves; 4.1 In-line force in oscillatory flow; 4.1.1 Hydrodynamic mass; 4.1.2 The Froude-Krylov force; 4.1.3 The Morison equation; 4.1.4 In-line force coefficients; 4.1.5 Goodness-of-fit of the Morison equation; 4.2 Lift force in oscillatory flow; 4.3 Effect of roughness; 4.4 Effect of coexisting current; 4.5 Effect of angle of attack; 4.6 Effect of orbital motion; 4.6.1 Vertical cylinder; 4.6.2 Horizontal cylinder; 4.7 Forces on a cylinder near a wall
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4.8 Forces resulting from breaking-wave impactREFERENCES; Chapter 5. Mathematical and numerical treatment of flow around a cylinder; 5.1 Direct solutions of Navier-Stokes equations; 5.1.1 Governing equations; 5.1.2 The Oseen (1910) and Lamb (1911) solution; 5.1.3 Numerical solutions; 5.1.4 Application to oscillatory flow; 5.2 Discrete vortex methods; 5.2.1 Numerical simulation of vorticity transport; 5.2.2 Procedure used in the implementation of discrete vortex method; 5.2.3 Application areas; 5.3 Hydrodynamic stability approach; REFERENCES
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Chapter 6. Diffraction effect. Forces on large bodies6.1 Vertical circular cylinder; 6.1.1 Analytical solution for potential flow around a vertical circular cylinder; 6.1.2 Total force on unit-height of cylinder; 6.1.3 Total force over the depth and the overturning moment; 6.2 Horizontal circular cylinder near or on the seabottom. Pipelines; REFERENCES; Chapter 7. Forces on a cylinder in irregular waves; 7.1 Statistical treatment of irregular waves; 7.1.1 Statistical properties of surface elevation; 7.1.2 Statistical properties of wave height; 7.1.3 Statistical properties of wave period
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7.1.4 Long-term wave statistics
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English
Weitere Ausg.:
ISBN 981-02-3056-7
Weitere Ausg.:
ISBN 981-02-2898-8
Sprache:
Englisch
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