海洋平台耦联作用下S形柔性立管流致振动响应（英文版）

本书采用高速摄像机、激光位移传感器等非侵入式测试技术，系统研究S形柔性立管在不同工况下的振动响应特性，涵盖不同顶部约束条件、多种内流介质、内部段塞流及外部剪切流等关键影响因素。研究明确立管的内部流动规律、振动幅值与频率特征，揭示轴向振动传递机制，深入分析平台运动及内部流体介质变化对S形柔性立管与浮力模块竞争振动的作用机理，探讨内外流场耦合作用下立管振动与平台运动的相互影响规律。随着海洋工程技术的持续发展，海洋结构物服役环境中的振动响应研究已成为保障工程安全与可靠性的核心议题，本书的出版有望填补该领域高质量专业参考资料的市场空白，为相关研究与工程实践提供有力支撑。本书可供海洋工程、油田开发领域的工程技术人员、科研工作者，以及高等院校相关专业师生参考使用。

Contents

Chapter 1 Introduction 1

1.1 Overview of marine flexible risers 1

1.2 The state-of-the-art review 3

1.2.1 Vortex-induced vibration of flexible risers 3

1.2.2 Internal flow-induced vibration of flexible risers 7

1.2.3 Coupling vibration of flexible risers 10

1.2.4 Vibration of flexible risers coupled with platform motion 12

1.3 Summary 13

Reference 15

Chapter 2 Experimental methodology for vibration analysis of S-shaped risers 22

2.1 Experimental modelling design 22

2.1.1 Vibration similarity 22

2.1.2 Flow similarity 24

2.1.3 Design and selection of buoyancy modules 25

2.2 Experimental facilities 27

2.2.1 Internal flow circulation system 27

2.2.2 External flow circulation system 29

2.2.3 Instrumentation and data acquisition system 30

2.3 Post-processing techniques and error analysis 30

2.3.1 Image-based post-processing techniques 30

2.3.2 Error analysis 32

2.4 Decay 36

References 37

Chapter 3 Internal flow-induced vibration response analysis of flexible riser 38

3.1 Experimental design for IFIV testing 38

3.2 Characterization of vibration response of the flexible riser conveying single-phase flow 39

3.3 Characterization of vibration response of the flexible riser conveying gas-liquid flow 43

3.3.1 Slug flow pattern in the riser 43

3.3.2 Vibration characterization of the flexible riser 52

References 67

Chapter 4 Internal flow-induced vibration of the flexible riser coupled with top platform motion 69

4.1 Experimental design for IFIV coupled with platform motion 69

4.2 Vibration response of the riser conveying single-phase flow coupled with platform motion 69

4.3 Vibration response of the riser conveying gas-liquid flow coupled with platform motion 70

4.3.1 Slug flow pattern 70

4.3.2 Response characteristics of flexible riser 74

References 89

Chapter 5 Vortex-induced vibration response of flexible riser 90

5.1 Experimental design for VIV testing 90

5.2 Influence of the internal fluid media 91

5.3 Effect of the buoyancy module 102

References 117

Chapter 6 Vortex-induced vibration response of the flexible riser with coupled top platform motion 118

6.1 Experimental design for VIV coupled with platform motion 118

6.2 Influence of the internal fluid media 118

6.3 Effect of the buoyancy module 130

6.4 Impact of top boundary conditions 146

References 158

Chapter 7 Coupling vibration of the flexible riser under combined internal and external flows and platform motion 159

7.1 Experimental design 159

7.2 Vibration response of the riser conveying coupled single-phase flow 160

7.3 Vibration response of the riser conveying gas-liquid flow 168

7.4 Interaction analysis 176

References 180

Conclusions/Perspectives 181