Re: Friction Effects in Piping Systems

From: <virgilio>
Date: Mon Apr 21 2003 - 02:20:00 EDT

friend,

      No friction on the guide ...just the restraint on a vertical support only..

• KAUSTUBH JOSHI <kvj@epc.ltindia.com> wrote:
  > Hello All,
  >
  > A few days ago, a world known consultancy & EPC
  > company suggested us the following:
  >
  > 1) While performing the static analysis (flexibility
  > analysis) of the piping systems, it is not necessary
  > to consider the friction forces. The friction forces
  > are short time generated loads, and act on the
  > system during the thermal expansion. The friction
  > forces diappears after the thermal movement of the
  > piping. That's why friction should be excluded from
  > static piping stress analysis (flexibility
  > analysis).
  >
  > 2) There will be no friction at the guide side
  > surfaces or the limit stops. The friction will be
  > there only for the resting supports.
  >
  > What are your views on these?
  >
  > Regards,
  >
  > Kaustubh
  >
  >
  

  ---

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