Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
From inside the book
Results 1-3 of 15
Page 74
... actuator , bonnet and internals for replacement . This type of repair has not been carried out to date on an ... actuator in which the rotation is produced directly . All the actuators currently in subsea use are hydraulic . The ...
... actuator , bonnet and internals for replacement . This type of repair has not been carried out to date on an ... actuator in which the rotation is produced directly . All the actuators currently in subsea use are hydraulic . The ...
Page 75
... actuator . Alternatively a spring may be placed under the piston and the compartment left unsealed . A thrust bearing is needed to allow the piston to rotate against the spring . There is no side force applied to the valve stem . Double ...
... actuator . Alternatively a spring may be placed under the piston and the compartment left unsealed . A thrust bearing is needed to allow the piston to rotate against the spring . There is no side force applied to the valve stem . Double ...
Page 76
... actuator and there is little choice as to where they are placed . Accumulators may be placed anywhere within a reasonable distance from the actuator so they are much more flexible to mount . On larger sizes there is usually more than ...
... actuator and there is little choice as to where they are placed . Accumulators may be placed anywhere within a reasonable distance from the actuator so they are much more flexible to mount . On larger sizes there is usually more than ...
Other editions - View all
Common terms and phrases
addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld