Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 404
... motions of FPSO for the process equipments , while heave motions are important for the drilling rigs . The purpose of the present study is to improve the pitch and roll motion characteristics without changing the heave motion ...
... motions of FPSO for the process equipments , while heave motions are important for the drilling rigs . The purpose of the present study is to improve the pitch and roll motion characteristics without changing the heave motion ...
Page 408
... motion are reduced remarkably by the anti - pitch tanks . CALCULATION METHOD OF MOTION FOR A PLATFORM WITH DAMPING DEVICES The numerical calculation method for the prediction of platform motions in waves is based on three - dimensional ...
... motion are reduced remarkably by the anti - pitch tanks . CALCULATION METHOD OF MOTION FOR A PLATFORM WITH DAMPING DEVICES The numerical calculation method for the prediction of platform motions in waves is based on three - dimensional ...
Page 409
... motion of anti - pitch tank So wave elevation outside tank Relation between the tank water motion and the vertical tank mo- tion is expressed by the following equations . Š1 = BC wo 29. AH ΔΗ = - ηγ where h . -7-5-757 +50 CWD effective ...
... motion of anti - pitch tank So wave elevation outside tank Relation between the tank water motion and the vertical tank mo- tion is expressed by the following equations . Š1 = BC wo 29. AH ΔΗ = - ηγ where h . -7-5-757 +50 CWD effective ...
Contents
OCEAN WAVES | 1 |
Aarsnes | 55 |
VOLUME IA OFFSHORE TECHNOLOGY | 65 |
Copyright | |
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acceleration analysis AXIWAVE biplane blade boundary layer calculated circular cylinder comparison compliant towers components computed corresponding crest criteria damping direction distribution drag drag coefficient dynamic effects Engineering equation estimated experimental Figure filter flow fluid force coefficients Fourier free surface frequency fuzzy given hindcast horizontal velocity hydrodynamic impact force in-line incident wave irregular Islay KC number kinematics lift force linear load Loop Current maximum measured method Morison Myrhaug NewWave non-linear obtained ocean waves Offshore Structures orifice oscillating parameters planetary boundary layer plate platform predicted pressure rad/s random wave ratio regular waves Scatter Parameter sea wave second-order shear stress ship shown simulation spectra surface elevation term tests turbine turbulence values velocity potential vertical Volume I-A Walsh function water depth wave elevation wave energy wave height wave kinematics wave power wave profile wave spectrum wave theory wave train wind