Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 761-780 of 2185
-
Localized Lateral Thermal Buckling of Pipelines With a Circular Layout
(The American Society of Mechanical Engineers (ASME), 2016)A numerical strategy is developed and used to investigate the localized lateral buckling of circular pipelines under thermal loading and friction. The constitutive relations for circular pipelines are derived for thermal ... -
An Expert-Based Model for Reliability Analysis of Arctic Oil and Gas Processing Facilities
(The American Society of Mechanical Engineers (ASME), 2016)Oil and gas companies are expanding their operations in the remote Arctic offshore with harsh weather conditions such as the Barents Sea. One of the major challenges in reliability assessment of production plants operating ... -
Experimental Study on Installation of Composite Bucket Foundations for Offshore Wind Turbines in Silty Sand
(The American Society of Mechanical Engineers (ASME), 2016)The composite bucket foundation (CBF) is a cost-competitive foundation for offshore wind turbines, which can be adapted to the loading characteristics and development needs of offshore wind farms due to its special structural ... -
Experimental Measurements of Forces on Loose Particle in Motion Over Rough Bed Under Waves Using Oblique Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2016)Magnitude and phase of major forces that act on a loose non-cohesive particle (sediment) on single layer fixed rough bed (longitudinal slope 2%) were determined from experiments in a laboratory flume under waves. The loose ... -
Norming Maneuverability in Adverse Conditions
(The American Society of Mechanical Engineers (ASME), 2017)Slow steaming and regulatory drive toward more energy efficient ships have raised a problem of ensuring sufficient maneuverability of ships under adverse weather conditions when installed power is reduced. This paper ... -
Cost-Optimized FPSO Mooring Design Via Harmony Search
(The American Society of Mechanical Engineers (ASME), 2016)A mooring system optimization program has been developed to minimize the cost of offshore mooring systems. This paper describes an application of the optimization program constructed based on the recently developed harmony ... -
Experimental Investigation of Fish Farm Hydrodynamics on 1:15 Scale Model Square Aquaculture Cages
(The American Society of Mechanical Engineers (ASME), 2016)Hydrodynamic drag and wake properties of square aquaculture cage arrays were studied to improve understanding of nutrient dynamics from fish cages to guide the design of integrated multitrophic aquaculture (IMTA). A 1:15 ... -
Influence of Solid Rubber Coating on the Response of Floating Structure to Underwater Shock Wave
(The American Society of Mechanical Engineers (ASME), 2016)The influence of solid rubber coating on the transient response of floating structure to underwater shock wave is experimentally and numerically studied. A stiffened metal box coated with solid rubber tiles on the outer ... -
Integrity Assessment of Offshore Subsea Wells: Evaluation of Wellhead Finite Element Model Against Monitoring Data Using Different Soil Models
(The American Society of Mechanical Engineers (ASME), 2016)Understanding well conductor–soil interaction mechanism plays an important role in well integrity assessment. Evaluation of field data obtained from monitored offshore wells can provide valuable insights into the matter. ... -
Estimating Long Term Extreme Slamming From Breaking Waves
(The American Society of Mechanical Engineers (ASME), 2016)Characteristic loads for design of offshore structures are defined in terms of their annual exceedance probability, q. In the Norwegian Petroleum Regulations, q = 10−2 is required for the ultimate limit state (ULS), ... -
Investigation of the Pore Water Pressure of Saturated Warm Frozen Soils Under a Constant Load
(The American Society of Mechanical Engineers (ASME), 2016)A series of compression experiments was conducted to observe the porewater pressure variations of saturated warm frozen soils over time. The results indicate that saturated warm frozen soils can exhibit excess porewater ... -
Hoar Frost Accretion on Organic Coatings Under Offshore Conditions
(The American Society of Mechanical Engineers (ASME), 2016)Nine organic corrosion protection coating systems are investigated according to their hoar frost accretion performance under simulated offshore conditions. A special test scenario is developed for the generation and ... -
Finite Element Cold Bending Residual Stress Evaluation on Submarine Pressure Hull Instability Assessment
(The American Society of Mechanical Engineers (ASME), 2016)During the pressure hull manufacturing, processes like cold bending and welding are often applied. These processes lead to permanent plastic deformations which are associated with residual stresses. The presence of residual ... -
Effects of Strake Coverage and Marine Growth on Flexible Cylinder Vortex Induced Vibrations1
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents some results from the recent SHELL tests at the MARINTEK basin. The tests involved towing densely instrumented flexible cylinders at Reynolds numbers up to 220,000. The main objective is to present the ... -
Corrosion Protection Performance of Organic Offshore Coating Systems at −60 آ°C Temperature Shock
(The American Society of Mechanical Engineers (ASME), 2016)Six organic coating systems were investigated according to their corrosion protection performance under simulated Arctic offshore conditions. The investigations involved accelerated aging, coating adhesion measurements, ... -
Model Tests With a Compliant Cylindrical Structure to Investigate Ice Induced Vibrations
(The American Society of Mechanical Engineers (ASME), 2016)A compliant cylindrical structure has been built and tested in a series of model tests in ice in the Large Ice Model Basin at HSVA. The structure's stiffness in ice plane is higher in ice drift direction than crosswise, ... -
Dynamic Bayesian Network Based Risk Assessment for Arctic Offshore Drilling Waste Handling Practices
(The American Society of Mechanical Engineers (ASME), 2016)The increased complexity of Arctic offshore drilling waste handling facilities, coupled with stringent regulatory requirements such as zero “hazardous†discharge, calls for rigorous risk management practices. To assess ... -
The Physical Behavior of Seine Ropes for Evaluating Demersal Seine Fishing1
(The American Society of Mechanical Engineers (ASME), 2016)Demersal seining is an active bottom fishing method, which applies seine ropes and a seine net. The seine ropes and net are laid out on the fishing ground with the seine ropes encircling an aggregation of fish on the seabed. ... -
Improved Friction Joint With Self Locking Grips
(The American Society of Mechanical Engineers (ASME), 2016)Flexible risers are used in the oil industry to transport liquids and gas from the seafloor to extraction and production equipment at the sea surface. Ongoing research aims at using composite materials instead of steel, ... -
Reliability Analysis of Piles in Multilayer Soil in Mooring Dolphin Structures
(The American Society of Mechanical Engineers (ASME), 2016)Reliability of complicated mooring dolphin structures (MDS) is estimated using few deterministic evaluations and an improved response surface method denoted as IRSMsecondorder reliability method (SORM). It is a hybrid ...