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Optimization and empirical studies of riser design in sand casting process using different mould properties
Sand casting is a crucial manufacturing step in creating a quality product that will meet the demands of the market. Four common metals aluminum,...
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Dynamic curvature of a steel catenary riser on elastic seabed considering trench shoulder effects: an analytical model
Prediction of the fatigue life of steel catenary risers (SCR) in the touchdown zone is a challenging engineering design aspect of these popular...
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Improvement of quality and yield for investment casting of centrifugal pump impeller by tilting mold and optimizing runner/riser system
Impellers must have no defects to endure vibration and centrifugal force. The shell for producing the impeller is located at tilt and the...
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Riser Dynamic Characteristics
It is known based on the discussion in Chap. 1 that the deepwater risers are classified as the rigid and flexible risers. For a rigid riser such as...
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Vibration Control of A Flexible Marine Riser System Subject to Input Dead Zone and Extraneous Disturbances
An observer-based adaptive backstep** boundary control is proposed for vibration control of flexible offshore riser systems with unknown nonlinear...
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Effect of Artificial Electric Field Surface by Wave-Driven Triboelectricity on Anti-Bioadhesion for Riser Protection
Biofouling has been a persistent problem in marine riser system, resulting in energy waste and equipment damage. In this study, a kind of water...
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Nonlinear Static and Dynamic Analysis of Composite Riser
The dynamic response of composite production risers w.r.t periodic and erratic waves was derived in the time domain. The harmonic superposition...
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Modelling of a 12-DoF Parachute–Riser–Payload system dynamics using Kane’s method
The dynamic behaviour of parachutes is highly complex and characterised by non-linear, time-dependant, Fluid–Structure Interactions, which is...
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Experimental Study on Vortex-Induced Vibration of Marine Riser Model with Coupling Interference Effect Under Combined Internal and External Flow
A partition model of interference efficiency was constructed to study the coupling interference effect under combined internal and external flow. The...
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Dynamics of Deepwater Riser Theory and Method
This book demonstrates various types of deepwater risers with different motion equations and boundary conditions depending on their different...
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Effect of hollow insulation riser on shrinkage porosity and solidification structure of ingot
The thermal insulation performance of riser is very important to the shrinkage porosity and solidification structure of ingot, but it is difficult to...
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Nonlinear Vibrations of Deepwater Catenary Riser Subjected to Wave Excitation
The purpose of this research is to present the mathematical model for the nonlinear vibration analysis of a deepwater catenary riser subjected to a...
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Numerical and Experimental Study on the Dynamics of the Tendon/Top Tension Riser System of a Tension-Leg Platform
In this study, the dynamics of the tendon/top tension riser (TTR) system of a tension-leg platform (TLP) are investigated through an experiment and...
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Experimental Study on Vortex-Induced Vibration Coupling Wake Interference of Multi-Riser Groups with Sensitive Spacing
The “riser group—fluid between risers” is taken as the carrier, and the experiment on vortex-induced vibration of tandem riser groups coupling...
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Dynamic Properties of Steel Catenary Riser near Touchdown Point Under Coplanar Vessel Heave and Vortex Induced Vibration
The present study establishes a simple numerical model for the coupled response of a steel catenary riser (SCR) subjected to coplanar vessel motion...
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Abandonment and Recovery Operation of Steel Lazy-Wave Riser in Deep-water by Controlled Vessel and Cable Velocity Rate
Evaluation of abandonment and recovery operation of steel lazy-wave riser in deepwater is presented in this paper. The calculation procedure includes...
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Prediction and Analysis of ECD for Deep Water Hydrate Formation Drilling with Riser
Natural gas hydrate reservoirs in the South China Sea are shallow buried and weakly cemented, making it difficult to drill horizontal well. The...
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Study on the Steel Lazy Wave Riser Configuration via a Simplified Static Model Considering Critical Sensitive Factors
Catenary risers have been broadly adopted for mass transportation between seabed and platform during offshore oil and gas production due to its...
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Nonlinear Numerical Analysis of Vortex-Induced Vibration of A Three-Dimensional Deepwater Steep Wave Riser with Large Deformation Features
The cross-flow (CF) vortex-induced vibration (VIV) of a deepwater steep wave riser (SWR) subjected to uniform or shear flow loads is investigated...
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Dynamic Analysis of A Deepwater Drilling Riser with A New Hang-off System
The safety of risers in hang-off states is a vital challenge in offshore oil and gas engineering. A new hang-off system installed on top of risers is...