×
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

We are in a discussion about the ef

We are in a discussion about the ef

We are in a discussion about the ef

(OP)
We are in a discussion about the effect of oxidants on cast irons and bronze.
Don't really know exact metal composition, but both iron and bronze are the types used in pumps running clear water.

Will imeller speed cause higher degree of oxidation on fast moving impeller more than on the volute case?
Or rephrased, does velocity have noticeable effect of how fast an oxidant corrodes metals in general, iron and bronze specifically?
How about pressure?

These questions come up often in pumps.

PUMPDESIGNER

RE: We are in a discussion about the ef

pressure will only have an effect if its negative ie cavitating
velocity will have an effect  you get erosion/corrosion if the velocity is high enough , I think it depends on how tenacious the oxide layer is and how easy it is to sweep the surface clean leaving it open to more corrosion...see what more learned persons say to this post or checkout erosion /corrosion...would have thought that in clean water with bronze there eould not be a problem

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