Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

PL definition in ASME code

PL definition in ASME code

PL definition in ASME code


The sqrt(rt) or 2.5sqrt(rt) is just used to define the PL. The 2.5sqrt(RT) is applicable to the distance between two exceeding 1.1Sm local regions, and sqrt(rt) is the criteria for define the PL region regarding one local region. what I want to ask is, what the realing meanding about the highlighted words of "involving axisymmetric membrane stress distributions" in the ASME-III-NB-3213.10? because I found the same sentence in VIII-2 as shown in the pic. has no such words. so it arise a questions that, for the two nozzles longitudinally on cylinder, because there are no axisymmetic stress at nozzle regions, so if we want to define the two regions as PL, we only need to make them not ovlapped; But if per VIII-2, we should make them apart from 2.5sqrt(rt),because there are no "involving axisymmetric membrane stress distributions" words in VIII-2.
in other words, ASME-III-NB and ASME-VIII-2 may be not consistent, so which is the correct answer?

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close