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Keywords: boundary layer
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28771-MS
... & gas offshore structure simulation wind tunnel test estimation drag coefficient fpso boundary layer reynolds number experiment current load floating production system cfd result shear component offshore technology conference coefficient velocity profile subsea system Cao , Y...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27727-MS
... on-bottom stability design. offshore pipeline boundary layer on-bottom stability analysis lateral displacement upstream oil & gas midstream oil & gas pipeline hydrodynamic load correction soil resistance stiffness wave velocity simulation stability method hydrodynamic load cable...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26911-MS
... at high Reynolds number. equation boundary layer mooring system high reynolds number cylinder production logging openfoam circular cylinder coefficient time history transition model flow regime reynolds number upstream oil & gas production monitoring turbulence model subsea system...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25244-MS
... of production facilities located in the Gulf of Mexico The investigation found that the provisions of API RP 2MET do not provide a good representation of the structure of the hurricane boundary layer. A major reason that the provisions of API RP 2MET do not model the hurricane boundary layer well...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20511-MS
.... All the surfaces present a wall effect, where a boundary layer describes the fluid close enough to the wall. b Fig. 3: Droplet entering to the boundary layer. Frame of reference (Left) fix to the wall and (Right) fix to the particle. Due to model limitations, knowing the exact velocity at the wall...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18348-MS
... industry-accepted tools for frequency domain VIV analysis (Shear7). upstream oil & gas turbulence model configuration marine riser lift coefficient cross-section cfd boundary engineering accuracy viscosity eddy viscosity boundary layer otc 18348 reynolds equation calculation...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7859-MS
... be represented by a fourth order differential equation with nonlinear forcing but a method is presented which assumes that the complete response can be broken down into distinct phases from "early motion" to "taut line" to 'yield and breaking", The selection of appropriate force coefficients and boundary layer...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6441-MS
... failure maps in [3] and [4]. contact area ice force strain rate rubble ice strength indentor ice failure mode annula cylindrical indentor aspect ratio shape factor wedge angle ice load wedge indentor ice contact unbroken ice boundary layer failure mode single wedge indentor...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5369-MS
.... The experimental arrangement and dif- ferent test conditions achieved are major topics of the presentat ion. The i nf 1uence of seabed roughness (boundary layer effects) on both oscillatory and steady loads have been investigated for a pipe on a flat seabed. The measured forces do not conform to the simple...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5505-MS
... ABSTRACT The flow boundary layer was studied with measurements of tidal current and wave velocity made at 0.10, 0.25, 0.50, 1.00, 3.00 and 5.00 m above the seafloor at two locations in the North Sea in 70 m and 102 m water depths. The data cover a range of combined current and wave conditions...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5506-MS
... ABSTRACT The objective of the field measurement program was to provide accurate data for flow velocities in the seabed boundary layer and other parameters having influence on the flow boundary layer, especially storm waves, suspended sediment concentrations and bottom roughness. Measurements...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4701-MS
... adams jr upstream oil & gas velocity component concentration recovery reservoir surveillance tripod bottom stress production logging boundary layer mean current speed production control frederick sensor reservoir characterization requirement construction benthic boundary...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4455-MS
... pipeline cylinder production logging uniform approach flow increment reservoir surveillance frequency gradient production monitoring production control cylinder upstream oil & gas bed boundary layer boundary layer velocity gradient vortex oscillation pipeline span bed...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4125-MS
... helideck flow metering platform offshore gas oil production platform wind tunnel exhaust gas reservoir surveillance turbulence production monitoring helicopter upstream oil & gas subsea system wind speed plume boundary layer surface roughness production control concentration...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4145-MS
... Abstract The processes of scour hole formation are divided into components and discussed. The descriptive physics of ocean boundary layer flow and sedimentdynamics are used to detail the similarities and differences between the processes of scour hole formation in marine and river environments...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1981
Paper Number: OTC-4123-MS
... platform. To study the wind loads, a representative mobile platform modeled after a Marathon 116-C class jack-up drilling rig was employed. A wind tunnel program was designed and executed featuring a marine atmospheric boundary layer and a compliant sea surface simulation. Six components of force...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3764-MS
... variation frequency offshore structure engineering spectra wind loading roughness dynamic response hurricane spectrum turbulence characteristic loading dynamic effect wind speed upstream oil & gas procedure requirement fluctuation wind tunnel boundary layer OTC 3764...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1980
Paper Number: OTC-3760-MS
... as indicated in Fi~ure 1. In the s~bcritical region (Re < 10 for smooth cyllnders) th~ boundary layer is laminar from the stagnatlon point through separation which occurs at about 80 0 from the stagnation points. The wide wake and low base pressure which result from separation even before the maximum breadth...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 1979
Paper Number: OTC-3431-MS
... platform hell deck location minimum wind turbulence crew quarter platform helideck boundary layer wind direction OTC 3431 OFFSHORE PLATFORM HELl DECK LOCATION FOR MINIMUM WIND TURBULENCE by K. H. Von Blohn, Earl and Wright; J. A. Peterka and J. E. Cermak, Colorado state U.; E. J. Barnard, Shell BP...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3073-MS
... sediment sedimentation variation current velocity reservoir characterization trench preben mortensen bed load transport calculation water depth shear stress boundary layer pipeline trench danish hydraulic institute numerical example OTe 3073 NATURAL BACKFILLING OF PIPELINE TRENCHES...
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