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Keywords: circular cylinder
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Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27631-MS
... flow attack angles. Validation of C d and St for flow past a circular cylinder show good agreement with literature. Variation of the riser component outer profile and flow attack angle show variation in the drag and lift force experienced as well as the vortex shedding behavior. More accurate Re...
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 3–6, 2010
Paper Number: OTC-21070-MS
... sea bottom current cylinder plet span upstream oil & gas rms fatigue life plane boundary viv offshore pipeline interaction pipeline span modeling & simulation proximity span circular cylinder reduced velocity OTC 21070 Fluid-Structure Interaction Simulations...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17305-MS
... not exceed the value of 1–1.2 diameters for circular cylinders. VIV is normally associated with tall cylindrical bodies such as risers, tendons, flowlines and other tubular used by the offshore industry. Typical vibration amplitudes for risers reach up to 1 diameter for uniform flow. Among production...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13302-MS
... roughness experiment drag coefficient cylindrical structure surface roughness effect diameter pipe circular cylinder surface roughness viv test cylinder otc 13302 reynolds number vibration vortex-induced vibration displacement frequency upstream oil & gas cylinder...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7235-MS
... ABSTRACT This paper presents the results of a numerical calculation of the drag coefficient on a circular cylinder in planar oscillatory flow at low Keulegan-Carpenter numbers. This calculation represents the classical hydrodynamic damping problem. The two dimensional time-dependent stream...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6817-MS
... investigator us government sarpkaya loading correlation length oscillatory flow vibration reynolds number upstream oil & gas vortex planar flow coefficient chakrabarti circular cylinder transverse motion lift coefficient frequency vortex-induced loading bearman transverse...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6815-MS
...) are not in a position to predict the force-transfer coefficients, even for a simple circular cylinder. No three-dimensional finite-difference solution of the Navier-Stokes equations for the flow past a cylinder of finite aspect ratio (with no slip condition on the cylinder and on the bounding end walls) exists...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6518-MS
... is oscillated: the fluid or the cylinder. The variability of the kinematics of the ocean environment is not conducive to the reduction of time-invariant force-transfer coefficients for the assessment of Morison's equation. inertia coefficient cylinder circular cylinder drag coefficient gutierrez...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6606-MS
... to initiate and develop behind a circular cylinder before the flow reversal occurs. This diminishes the chances for the formation of wakes on a circular cylinder. Considering the resonant oscillation of these large diameter deepwater structures, the damping associated with the flow-separation phenomena...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–10, 1990
Paper Number: OTC-6407-MS
... of existing jack-ups, when their fitness for use at a specific site is considered. While a large amount of experimental data has been gathered on smooth and rough circular cylinders in planar oscillatory flow and in waves, very little information is available fromtests with jack-up legs in such conditions...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5372-MS
... rough circular cylinder circular cylinder harmonically smooth cylinder end plate coefficient reynolds number small cylinder hydrodynamic force rough cylinder drag coefficient cylinder maximum lift coefficient roughness high reynolds number experiment lift force mass coefficient...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5581-MS
... current load upstream oil & gas model test ship moored marine transportation freight & logistics services reynolds number mooring system drag coefficient bilge keel depth-draft ratio circular cylinder flow pattern roll motion shallow water beam current technology...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5099-MS
... on a circular cylinder submerged in water were measured for four dynamical conditions: acceleration from rest to constant velocity, deceleration to rest from constant velocity, acceleration from a low velocity to a higher constant velocity, and reversal of motion from a constant forward velocity...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1985
Paper Number: OTC-5033-MS
... waterplane circular cylinder forward speed cylindrical platform platform vertical circular cylinder oscillatory motion velocity potential heave waterline boundary condition conical platform drift force OTe 5033 Arctic Mobile Drilling Structures in Waves by S.T. Kalske, T.O. Karppinen, and J.E...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 6–9, 1985
Paper Number: OTC-5007-MS
... ABSTRACT Measurements are presented of forces on a pair of identical parallel circular cylinders with a scotch surface under a steady uniform flow. The drag coefficient of the cylinders was found to be a continuous function of the cylinders' spacing. With increasing the stream wise separation...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4830-MS
... is not applicable to the prediction of wave and current induced loads on circular cylinders. INTRODUCTION The analysis of the interaction of waves with pre-existing and/or wind-or wave-generated currents and the interaction of the modified wave-current combination with rigid or elastic structures...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4810-MS
... theory to a second approximation based on the Stokes expansion procedure. This has been attempted by a number of authors for the particular case of a surface piercing vertical circular cylinder, and by Garrison for the general case of a body of arbitrary shape. For the extreme case of steep waves...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4591-MS
... circular cylinder frequency ABSTRACT This paper describes the drag coefficients of cylinders oscillated in both in-line and transverse directions to a uniform flow. The drag coefficients C D have been obtained experimentally over a wide range of oscillating frequencies, amplitude and flow...
Proceedings Papers
Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 3–6, 1982
Paper Number: OTC-4227-MS
...OTC 4227 Wave Forces on Inclined Smooth and Rough Circular Cylinders by Turgut Sarpkaya, Naval Postgraduate School, and Thomas S. Raines and Dean O. Trytten, LCDR, U.S. Navy This paper was presented at the 14th Annual OTC in Houston, Texas, May 3-6, 1982. The material is subject to correction...
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