×
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

Induction negative pressure calculation

Induction negative pressure calculation

Induction negative pressure calculation

(OP)
Can someone direct me to a method of calculating the negative pressure experienced by an induction air hose that is connected between the air filter and intake manifold?

In most small aircraft, the hose used to connect the air filter housing to the engine air intake is SCAT, SCEET, CEET, or CAT. However, none of those is recommended for negative pressure applications. So, I'm looking for a hose that is rated for that application, but I can't find a reference to how much negative pressure is found inside that hose.

I will cross-post this to the aerospace forum as well.

RE: Induction negative pressure calculation

upstream of the throttle?  just calculate your filter restriction at max rpm WOT.

RE: Induction negative pressure calculation

Like ivymike says.

Unless you have a really poorly designed filter or a very dirty filter, the depression will be almost zero.

Downstream of the throttle is another matter altogether

Regards

eng-tips, by professional engineers for professional engineers
Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips Fora.

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