Re: Piping Vibration

Ralph
You are quite right. I once read some of this stuff fro some documents that belonged to a friend and I agree, itīs just great. However, How can We get a copy of this material? I once tried the web page but was not successful.

Gerardo

"SARE, RALPH H." wrote:

> Best known article ive read on this subject is the one published by SwRI -
> Chapter VI. . The article is great (but very theoritical) and the vibration
> criteria is excellent.However we find that the severity chart shown on Fig.
> 6-1 of limited use/application and the technique to control it too general.
>
> Recently, several articles have been published in Hydrocarbon Processing
> magazine about this subject (again from the guys at SwRI). The most
> practical is the article prepared by K. T Troung from Ultragen Group ( issue
> of June 2000). This guy Troung has reduced the complex equation in
> evaluating the piping dynamic stresses to just 18 comprehensible equation.
> Wow. The beauty of Troung method is that you can now use the vibration
> readings (frequnecy and velocity) together with the pipe stress analysis
> software( we're using both algor and coade caesar II) to figure out if the
> stresses is still below the code allowables or not.minus the mambo jumbo.
>
> May i ask the other piping engineer the methods/tehcnique they use to
> evaluate and control piping vibration.
>
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Received on Tue May 29 10:53:00 2001