Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 72
... phase contours are given in Figs . 6 and 7 . PLOT OF PHASE DIFFERENCE Phase versus distance characteristics corresponding to all defects ( i.e. , I.D. and O.D. defects in near and remote field regions ) considered in Figs . 5 and 7 are ...
... phase contours are given in Figs . 6 and 7 . PLOT OF PHASE DIFFERENCE Phase versus distance characteristics corresponding to all defects ( i.e. , I.D. and O.D. defects in near and remote field regions ) considered in Figs . 5 and 7 are ...
Page 75
... phase , for an O.D. exciter ( see Fig . 3. ) . ( a ) Near field region Remote field region ( b ) ( C )。( e ) ( f ) ( g ) ( h ) ( i ) ( k ) ( 3 ) Amplitude Phase Amplitude ( 2 ) Phase ( a ) Phase difference ( deg ) Change in phase ( deg.
... phase , for an O.D. exciter ( see Fig . 3. ) . ( a ) Near field region Remote field region ( b ) ( C )。( e ) ( f ) ( g ) ( h ) ( i ) ( k ) ( 3 ) Amplitude Phase Amplitude ( 2 ) Phase ( a ) Phase difference ( deg ) Change in phase ( deg.
Page 76
Phase difference ( deg ) Change in phase ( deg ) Phase ( degrees ) I.D. Exciter 270 3,5 ( a ) -270 15 25 30 2,4,6 45 Sensor distance from exciter ( cm ) I.D. Exciter 10 9 -25- -50 0 ( c ) 15 8 30 45 Sensor distance from exciter ( cm ) ...
Phase difference ( deg ) Change in phase ( deg ) Phase ( degrees ) I.D. Exciter 270 3,5 ( a ) -270 15 25 30 2,4,6 45 Sensor distance from exciter ( cm ) I.D. Exciter 10 9 -25- -50 0 ( c ) 15 8 30 45 Sensor distance from exciter ( cm ) ...
Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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adsorber amplitude analysis angle Arctic Engineering axial bending buoyancy cable calculated coefficient compliant tower components Conference on Offshore curve damage diameter displacement drag coefficient drilling dynamic effect equation equipment fatigue finite element flexible floating production flow function horizontal hydrodynamic installation jacket kips length linear liquid limit load marine mass matrix maximum measured Mechanics and Arctic method mode mode shapes model tests modulus mooring line mooring system motion natural frequency nonlinear obtained Offshore Mechanics Offshore Technology Conference operation parameters performance pile pipe pipe materials pipeline platform pressure production riser random wave ratio response rope rotation RPIT shear shear modulus shear strength shown in Figure simulation soil static stiffness strength stress structure subsea surface syntactic foam tendon turbine uranium vane velocity vertical vessel water depth wave forces wave height wave power weight wellhead wire