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#35819 - 06/01/10 05:55 AM what is mean this message??
youngboy Offline
Member

Registered: 06/01/10
Posts: 1
Loc: seoul, korea
hi~ Actually, I'm first connect this web site.
I'm use in PV-Elite 2010
I've some question about the PV-Elite 2010
what is mean the following message : help~~

1. Notes/Error Messages/Warnings for Tubesheet number 1

Note - Tube-Tubesheet Joint Interface pressures are 0, its effect will be ignored [App. A(2)].

2. Check for Buckling as some of the Tubes are in Compression

I can see the above message in tubesheet cal.

Actually, I'm not fluently speak english. i hope that you can understand.

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#35849 - 06/01/10 02:09 PM Re: what is mean this message?? [Re: youngboy]
Ray_Delaforce Offline
Member

Registered: 01/02/03
Posts: 743
Loc: Houston, TX
Hello youngboy

Don't worry about your English - you're doing just fine.

1 ASME Section VIII, Division 1 gives no procedure for determining the joint interface pressures. If you leave these values as zero, PV Elite will just ignore them.

2 There are only two ways of overcoming tube buckling. Increase the wall thickness of the tubes, or shorten the distance between the baffles.

I hope that addressed your questions.


Edited by Ray_Delaforce (06/01/10 03:19 PM)
_________________________
Sincerely,
Ray Delaforce
CADWorx & Analysis Solutions
Hexagon PPM

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#35913 - 06/03/10 11:02 AM Re: what is mean this message?? [Re: Ray_Delaforce]
Mandeep Singh Offline

Member

Registered: 12/15/99
Posts: 600
Loc: Houston, Tx, USA
The 2nd note is just indicating that there is compression in the tubes, so we have to check for buckling.

Refer to the compression check to see if it passed or failed?
_________________________
Best Regards,
Mandeep Singh
CADWorx & Analysis Solutions
Hexagon PPM

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#35963 - 06/04/10 10:57 AM Re: what is mean this message?? [Re: Mandeep Singh]
tahirq Offline
Member

Registered: 12/08/09
Posts: 50
Loc: India

3) there is one more option to avoid buckling but unfeasible i.e to increase the tube sheet thickness
_________________________
Tahir Quraishi
Technip

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