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!

*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.

Jobs

Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

(OP)
Looking at TABLE 2-5.2,

b = b_o when b_o <= 1/4in. (6 mm); b = C_b*SQRT(b_o), when b_o > 1/4in. (6 mm)

I'm confused by the units when b_o is > 1/4in, since the resulting effective width is not just in inches but in SQRT(in).

C_b is a unitless factor, so this does not change the output.

What am I missing? If I'm only supposed to take the square root of the value an not the unit, that is not clear (and not typical).

Thanks, Tim

RE: Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

timsch, just consider b in units of length, ignore units for the intermediate steps. No need to make it harder than it is :)

Regards,

Mike

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

RE: Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

(OP)
Well, it gets harder than it needs to be when I code these formulas into a Mathcad spreadsheet and the units don't work out....

And that's after I get over the shakes from thinking of ignoring units. That engineering training on UNITS must have been been pretty effective.

RE: Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

Well, then for your purposes assign units of sqrt(inch) to factor Cb.

Regards,

Mike

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

RE: Question on formulas for b, Effective Gasket Seating Width in TABLE 2-5.2

The equation for b is different for metric and imperial units doh!!!

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