Results 1 to 10 of about 916,744 (202)

The Experimental Study of Dynamic Response of Marine Riser under Coupling Effect of Multiparameter

Journal of Marine Science and Engineering, 2023
In order to investigate the dynamic response of a marine riser under the coupling effect of multiparameter, a model experiment of a marine riser was designed and carried out. The main parameters of the model test were divided into riser design parameters
Run Zheng, Chunguang Wang, Wentao He, Zhenyang Zhang, Keshun Ma, Mengqi Ren   +5 more
doaj   +4 more sources

VIV Fracture Investigation into 3D Marine Riser with a Circumferential Outside Surface Crack

Shock and Vibration, 2021
Vortex-induced vibration (VIV) is one of the most common dynamic mechanisms that cause damage to marine risers. Hamilton’s variational principle is used to establish a vortex-induced vibration (VIV) model of a flexible riser in which the wake oscillator ...
Jun Liu, Zhigang Du, Xiaoqiang Guo, Liming Dai, Liang Huang, Xiao Li   +5 more
doaj   +2 more sources

Study on the Vibration Characteristics of Marine Riser Based on Flume Experiment and Numerical Simulation

Journal of Marine Science and Engineering, 2023
This study investigated vortex-induced vibrations of marine risers in Ocean Thermal Energy Conversion systems. Flume experiments were conducted under two conditions: Condition 1 was with a fixed riser bottom, and Condition 2 was with a fixed bottom on a ...
Qiurui Cai, Zhengnong Li, Ricky W. K. Chan, Han Luo, Guodi Duan, Bin Huang, Honghua Wu   +6 more
doaj   +2 more sources

On mechanical and mathematical models in Yanbin Wang et al.‘s six papers on mechanical analysis of marine riser

Results in Engineering, 2020
This paper analyses the mechanical and mathematical models in Yanbin Wang et al.‘s six papers on mechanical analysis of marine riser: “Wang, Yanbin, Gao, Deli, Fang, Jun 2014. Static analysis of deep-water marine riser subjected to both axial and lateral
Hongchao Zhang, Zifeng Li, Guangming Song, Haihe Huang, Minglei Zhang, Jie Zhang, Shenghui Li, Wenwen Xu, Shuai Liu   +8 more
doaj   +2 more sources

CO2 corrosion behavior of high-strength martensitic steel for marine riser exposed to CO2-saturated salt solution

Materials Research Express, 2021
CO _2 corrosion is an inevitable problem of marine riser steel for oil and gas transportation. In the following work, the corrosion behavior was revealed in terms of microstructure characterization, corrosion kinetic curves, morphology and phase ...
Dazheng Zhang, Xiuhua Gao, Weijuan Li, Boyong Li, Jing Guo, Junkai Zhang, Qihang Pang, Zhen Xu   +7 more
doaj   +2 more sources

Response Design and Experimental Analysis of Marine Riser Buoy Observation System Based on Fiber Optic Sensing Under South China Sea Climatic Conditions

Journal of Marine Science and Engineering
Marine risers, critical structures connecting underwater production systems and surface floating platforms, stand freely in water and endure extremely complex marine environmental loads.
Lei Liang, Shuhan Long, Xianyu Lai, Yixuan Cui, Jian Gu   +4 more
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Numerical investigation on VIV suppression of marine riser with triangle groove strips attached on its surface

International Journal of Naval Architecture and Ocean Engineering, 2019
The effects of Triangle Groove Strips (TGS) on Vortex-induced Vibration (VIV) suppression of marine riser are numerically investigated using Computational Fluid Dynamics (CFD) method. The range of Reynolds number in simulations is 4.0 × 104 < Re 
Wei Wang, Baowei Song, Zhaoyong Mao, Wenlong Tian, Tingying Zhang   +4 more
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A Mathematical Model for Dynamic Analysis of a Flexible Marine Riser Connected to a Floating Vessel [PDF]

Modeling, Identification and Control, 1982
A mathematical model for simulation of a flexible marine riser connected to a floating vessel is presented. The model is used for dynamic analysis of marine operations which include a riser and a floating vessel.
Audun Otteren
doaj   +1 more source

In-Line and Cross-Flow Coupling Vibration Response Characteristics of a Marine Viscoelastic Riser Subjected to Two-Phase Internal Flow

Shock and Vibration, 2021
This paper studies the in-line and cross-flow coupling vibration response characteristics of a marine viscoelastic riser subjected to two-phase internal flow and affected by the combined effects of several parameters including the volume fraction of gas ...
Xueping Chang, Jinming Fan, Wenwu Yang, Yinghui Li   +3 more
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Simulation Study of Reentry Dynamics of a Deep-Water Drilling Riser System Based on Model Predictive Control

Shanghai Jiaotong Daxue xuebao, 2023
A marine drilling riser at normal operation condition is required to disconnect the lower marine riser package (LMRP) and blow-out preventer (BOP) in case of severe weather. When the weather gets fine, it must reconnect the LMRP and the BOP. This process
ZHANG Chenyu, MENG Shuai
doaj   +1 more source