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Proceedings Papers

Paper presented at the The Fourteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 22–25, 2020
Paper Number: ISOPE-P-20-102
... be mapped to halfcircle to get wave loads. reservoir characterization mapping function plane application engineering conformal mapping coefficient wave load unit circular vertical cylinder boundary condition conformal transformation wave elevation upstream oil & gas cylinder bessel...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-011
... the measurements of similar experiments conducted in 2016 and 2015. calculation result tsunami formula small boat model adaptability solitary wave engineering center formula evaluation formula seawall coefficient upstream oil & gas driftwood flotsam collision force load cell 4 driftwood...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-063
... transporting must keep this condition as least 21 days. There are several ways to provide a stable work of this system: liquefaction of steam combustion in a boiler or catalytic preheater, the use of steam as a fuel, a combination of these methods. foam glass coefficient tank gas monetization...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-047
...) and k-ε turbulence model equations. The numerical results for the reflection coefficients of perforated caissons are in good agreement with the experimental data in literature, which means that the present numerical model can well estimate the hydrodynamic performance of complicated perforated thin...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-039
..., it is found that the blades with pitch angle of 4 and 6 degrees give the highest torque, especially in a tip-speed ratio over 1. By changing the pitch angle of the blade from 0 to 6 degrees, the peak value of the power coefficients is improved by more than 30 percent. INTRODUCTION An ocean current...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-007
... and the transverse street regime. Results of vortex evolution, flow regimes and hydrodynamic force coefficients are compared. INTRODUCTION In actual production, offshore floating structures subject to waves, currents or winds will cause the platform to move periodically in the water. Then relatively oscillatory...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-130
... in consideration of simultaneous loading and unloading by STS method. higher-order boundary element method coefficient numerical model roll motion subsea system assessment safety factor freight & logistics services environmental condition characteristic flbt return period turret model test...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-103
... carried out. Considering the comprehensive influence of the relative pile diameter and KC 1/3 number, a new parameter KC LD 1/3 is proposed. The influence of relative spacing on the wave force of the pile group is analyzed. The change of pile group coefficient, inline force and resultant force...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-066
... ABSTRACT: In this paper, a new chain-soil interaction model is presented considering the open cavity depth and soil back-flow characteristic. The bearing capacity coefficient increases from 0 at the mudline to 10.5 over full backflow depth instead of 5.14 to 7.6 without considering the cavity...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-071
... in Beidaihe, has been experimentally investigated on the wave attenuation process in terms of small and destructive waves. Regular waves with five sets of wave height and period were used. The reflection coefficient, transmission and dissipation coefficients were obtained from measurements. Wave and velocity...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-142
... of strongly non-linear waves and extreme events (Coe and Neary, 2014). When viscous effects cannot be neglected, empirical viscous coefficients have been introduced to provide reasonable predictions. However, these coefficients are geometry dependent and limited to model scale. The difficulty of this approach...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-062
... velocity of 1.11 m/s. fin coefficient circular cylinder amplitude vibration response mechanical energy hydrokinetic energy conversion lift force artificial intelligence vibration bernitsa converter upstream oil & gas fosc 2hz zhu cylinder frequency strips smooth cylinder...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-113
... 2003). numerical simulation regime circular cylinder simulation coefficient cylinder surface flow structure experimental data fluid mechanics flow field upstream oil & gas cylinder reynolds number high reynolds number drag coefficient flow regime vortex contour pressure...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-055
... by the fluctuating lift. wire arrangement cylinder reservoir surveillance vortex rms strouhal number cylinder case hydrodynamic force diameter ratio reynolds number production control production monitoring coefficient variation shear parameter upstream oil & gas simulation plain cylinder...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-137
... cylinder oscillating in still water is studied experimentally. The independent principle (IP) was examined by evaluating the hydrodynamic coefficients that derived from the measured in-line and lift forces using a 3-component force link at a Keulegan-Carpenter (KC) number range of 3~30 and a Stokes...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-077
... river network september 31 water quality model rainfall th hour 4 nam model water level application river network concentration curve coefficient water management Development and Application of a One-dimensional Hydrodynamic and Water Quality Model for a Flat Tidal River Network Lisha Gao1...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-107
... using three different grid quantities at Re=10 4 in the current paper. Compared with existing data, the LES can simulate accurately the flow field around a sphere at Re= 10 4 and 10 5 . The hydrodynamic coefficients and Strouhal numbers are consistent with the experimental results. The structures...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-036
... and blades are developed to improve efficiency of energy extraction. power coefficient simulation stationary domain immergence renewable energy thrust marine current turbine thrust coefficient computational domain inflow velocity axial velocity distribution efficiency turbine uniform...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-108
... extinction curve amplitude bilge keel decay motion coefficient roll decay motion roll motion vorticity experimental data vortice validation free surface Validation of the 6 DOF Viscous CFD Method for Simulating the Roll Motion on DTC Shiqi Gong, Zhu Tao, Ran He, Ye Yuan School of Naval...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-019
.... The flow field under platform is modelled by Reynolds equations with locally constant eddy viscosity. The open water region is solved by potential flow theory. Using homogenization theory, we obtain a generalized pressure equations in form of a Laplace equation with complex coefficients. By matching...

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