Re: Piping around Reciprocating Compressor

IS IT OK IF I KICK MYSELF OFF THE LIST? Paul

> > compressor, .....COULD NOT FOLLOW WHY YOU SAID IT IS BIG FOR
> RECIPROCATING
> > MACHINE. AS YOU MIGHT BE KNOWING OPTION OF RECIPROCATING Vs
> CENTRIFUGAL WILL
> > LIE WITH ACTUAL VOLUME FLOW RATE AND PRESSURE RATIO. IT IS NOT
> UNUSUAL TO
> > HAVE RECIPROCATING COMPRESSORS IN THE ORDER OF 8 TO 10 MW SIZE
> >
> > my worry will be pulasation and vibration more than the
> nozzle
> > load. the piping designer must be at least conversant or
> familiar with the
> > mode shape and understand the physics of resonat frequency....
> THIS IS NOT
> > AT ALL A PROBLEM, SINCE IT WILL BE TAKEN CARE IN API 618,
> APPROACH-3
> > STUDIES. MY QUERY WAS SPECIFICALLY WITH REFERENCE TO NEW
ELEMENT
> IN THE
> > SYSTEM SPRING SUPPORT/VIBRATION ISOLATOR ON THE FOUNDATION.
> >
> > And in most cases, prediction by computer modeling is
unrelaible
> (at least
> > my expereinced). ... RALPH, COULD YOU ELABORATE. I COULD NOT
> FOLLOW. IF THAT
> > IS THE CASE, SOME THING MIGHT BE WRONG WITH EITHER THE PROGRAM
> OR INPUTS.
Received on Sun Oct 07 04:14:00 2001