×
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

Quantitative leak testing with tracer gas probes

Quantitative leak testing with tracer gas probes

Quantitative leak testing with tracer gas probes

(OP)
Dear all,

I am hoping someone can point me towards the right direction when it comes to selecting a tracer gas and probes to determine the leakage rate along the seal of a large opening.

The opening is roughly 16 ft by 16 ft and due to the awkward shape it is next to impossible impossible to place a vacuum box. Unfortunately due to the space around it and its shear size I cannot perform a pressure change test either.

The only feasible solution I can think of is to create a pocket of gas with plastic sheeting along the seal and use set tracer gas and probe.

I would gladly hear anyone's take on this.

Cheers,
Alex

RE: Quantitative leak testing with tracer gas probes

What sensitivity are you looking for?
I have seen work done on very large structures using SF6 as a tracer (common in power plants).
The traditional gas is He, but that may be way more sensitive than you need.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

RE: Quantitative leak testing with tracer gas probes

(OP)
The anticipated leakage from the door is somewhere around 2.25*10^-7 Pa*m^3*s^-1. From the research I just did I assume that He is the better option.

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