Results 21 to 30 of about 12,796 (256)

CFD Analysis of Hydrodynamic Loads on Jack-Up Platforms Using Buoyancy-Modified k-ω SST Turbulence Model

open access: yesFluids
The offshore jack-up production platform operates in extreme and unpredictable marine environments. Therefore, its structural strength must be designed to withstand harsh conditions, particularly hydrodynamic loads from waves and ocean currents.
Nu Rhahida Arini   +5 more
doaj   +1 more source

Investigation of effect of spudcan penetration on adjacent platform piles

open access: yesYantu gongcheng xuebao, 2021
Jack-up rigs are commonly employed for offshore drilling and platform work-overs in various oil and gas fields, and are always operated in close proximity to permanent platforms.
ZHANG Hai-yang 1, LIU Run 1, JIA Zhao-lin 2
doaj   +1 more source

Anorectal Dysfunction in Systemic Sclerosis: Clinical Phenotypes and Functional Patterns

open access: yesArthritis Care &Research, EarlyView.
Objective The aim of this study was to characterize specific physiologic defects in anorectal dysfunction in systemic sclerosis (SSc) using anorectal manometry (ARM), evaluate associations with gastrointestinal (GI) and extraintestinal clinical phenotypes, and explore potential serologic markers for risk stratification.
Timothy Kaniecki   +6 more
wiley   +1 more source

Analysis of Floating Buoy of a Wave Power Generating Jack-Up Platform

open access: yesAdvances in Mechanical Engineering, 2013
The paper focuses on the performance of floating buoys of a wave power generating jack-up platform called Haiyuan 1 , in order to work out the optimum designed draft and hydraulic pressure.
Date Li   +4 more
doaj   +1 more source

Analysis of a Main Cabin Ventilation System in a Jack-Up Offshore Platform Part I: Numerical Modelling

open access: yesApplied Sciences, 2019
This work aims to measure the thermodynamics of a main cabin ventilation system in a JU-2000E jack-up offshore platform. A three-dimensional (3D) physical model of the ventilation system was established, and the computational fluid dynamics (CFD ...
Yingchun Xie   +6 more
doaj   +1 more source

Longitudinal Changes in Adiposity After a Youth Sport‐Related Knee Injury: Informing Posttraumatic Osteoarthritis Prevention

open access: yesArthritis Care &Research, EarlyView.
Objective Youth who experience a sport‐related knee injury have elevated odds of becoming overweight or developing obesity in 3 to 10 years, compounding their risk for posttraumatic osteoarthritis (PTOA). To inform prevention strategies, this study compared patterns of adiposity change between youth with a sport‐related knee injury and uninjured youth ...
Justin M. Losciale   +6 more
wiley   +1 more source

Fabrication Routes for Ionic Conducting Fiber Strain Sensors

open access: yesAdvanced Engineering Materials, EarlyView.
Ionic conducting fiber strain sensors (ICFSs) offer compliant, textile‐integrable sensing. Thus far, the commercialization of ICFSs has been constrained by fiber fabrication routes. This review provides a fabrication‐centric analysis of ICFSs correlating processing strategies with material properties and scalability.
Leo John Kershaw   +3 more
wiley   +1 more source

An Edible Chitosan‐Based Acoustic Sensor for Sound‐Responsive Actuation in Edible Robots

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces an edible acoustic sensor for robotic food and edible robotics. Built from a chitosan piezoelectric film between gold electrodes, the sensor enables acoustic communication through ON/OFF keying. Integrated into an edible robot with pneumatically actuated arms and neck, it responds to high‐frequency tones.
Valerio Francesco Annese   +8 more
wiley   +1 more source

Study on the Mechanical Effect of Oil-storage Mat on Jack-up Platform

open access: yesShiyou jixie, 2017
To study the mechanical effects of the oil-storage mat on the leg of the jack-up platform in the marine environment,the Froude-Krylov hypothesis was used to calculate the wave force on the mat.The finite element model was established in ANSYS to study ...
Zhang Di   +3 more
doaj  

Modeling Techniques and Control Strategies for Jack-Up Rig: A State of the Art and Challenges

open access: yesIEEE Access, 2021
In recent years, for many offshore projects, including offshore oil and gas exploration and offshore wind farm construction, it is necessary to control the position of elevating of Jack-up Rig (JuR) in stable and balanced control. Designing the elevating
Xuan-Kien Dang, Tien-Dat Tran
doaj   +1 more source

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