×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

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!
  • Students Click Here

*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

Jobs

Nozzle hub-thickness

Nozzle hub-thickness

Nozzle hub-thickness

(OP)
hello evreyone ;)dazed
i'm a new designer engineer, plz help me
1. how can i choose between diffrent sketch in fig UG-40 (asme viii div 1) to design a nozzle and how i choose if the nozzel set-in ou set-on and self rienforncing or not?
2. how can i calculate (tx) and (te) in sketch (e) Fig UG-40?

Note 1 : i'm using hand calculation , i haven't a softwar.
Note 1 : i'm a fresh designer engineer, so maybe these questions are basic questions so if someone can help me to design
a pressure vessel from biginig until stress analysis i will be thankful, i did thickness calculation for heads and shell and i have some difficulties for nozzle neck and rienforcement and wind, seismic stress calculations.

thank you,

Houari Yahia

RE: Nozzle hub-thickness

Pressure vessel design is not something you can just start to work on and learn from by asking these questions. Although members here will always be willing to help, perhaps this is a job better left to an experienced engineer. As you mentioned you're a 'new design engineerir', look for a mentor who can teach you over the years, such that after some time you can do this on your own.

RE: Nozzle hub-thickness

HOUARI YAHIAOUI, the nozzle detail chosen is a matter of designer's preference, the fabricator's preference, client specifications, if any, and other Code rules, to name the most common. How to calculate tx, te is given in Note 3 of the figure.

You can always learn a certain amount on you own, and it is good practice, but if you hope to achieve some level of competence any time soon, than pay attention to XL83NL's reply. Get some mentoring, get some training, get some software. If nothing else, start building you own spreadsheets or programs. Doing calculations by hand is illustrative and a worthwhile experience, but no working designer has the time for it.

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand

RE: Nozzle hub-thickness

If the designs work out okay with multiple details, then check with more experienced designers or with the fabricating shop to see which is preferred.

You can do ASME code by hand, but it is very time consuming. Major items (shell, head thickness) are quick and easy. Minor items (strength of reinforcing, etc.) are simple in theory but get complicated by having a mass of details.

There are vessel design short courses that will help quite a bit, still not a substitute for working with somebody else.

RE: Nozzle hub-thickness

(OP)
thank you for everyone,

XL83NL thank you for your reply, and i look for a basic pressure vessel design if possible to understand asme code... and i will search for training in the futur.


SnTMan (Mechanical) thank you for your reply but i didn't find note 3 in fig UG40? plz tell me the number of page?!


JStephen : thank you very much, i do calculation to prepar an excel spreadtsheet to more calculation pressure vessel.


dazed

RE: Nozzle hub-thickness

HOUARI YAHIAOUI, page 47 in the 2015 Edition. One other recommendation, get a good pressure vessel handbook such as this

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand

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!


Resources


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