#37883 - 09/13/10 08:18 AM
Large bore line, Nema SM23
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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Gents, I am facing a turbine which has a 130 inches exhaust to condenser. would you please let me know why caesars nema sm23's modulus doesn't cover it?
Edited by Jozm (09/13/10 08:18 AM)
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Regards, Javian
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#37893 - 09/13/10 09:55 PM
Re: Large bore line, Nema SM23
[Re: Jozm]
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Member
Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
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We need more information, can you send your NEMA data file in to Tech Support?
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Regards, Richard Ay - Consultant
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#37905 - 09/14/10 07:45 AM
Re: Large bore line, Nema SM23
[Re: Richard Ay]
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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It is a mitsubishi's made horizontal steam turbine; There are three nozzles; first one 10" main stop valve, 2nd one 14" induction inlet and 3rd one 11'-1.86" exhaust outlet to the condenser actually we can calculate Nema's formula by hand or by using Excell but I am wondering why caesar has a limitation of 88" ?
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Regards, Javian
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#37908 - 09/14/10 08:35 AM
Re: Large bore line, Nema SM23
[Re: Jozm]
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Member
Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
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Please send your NEMA input file so we can run it here.
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Regards, Richard Ay - Consultant
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#37909 - 09/14/10 08:38 AM
Re: Large bore line, Nema SM23
[Re: Richard Ay]
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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thanks
Attachments
large bore.NEM.doc (397 downloads)input.NEM.doc (383 downloads)
Edited by Jozm (09/14/10 08:40 AM)
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Regards, Javian
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#37911 - 09/14/10 08:46 AM
Re: Large bore line, Nema SM23
[Re: Jozm]
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Member
Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
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No, not that. I want your actual data file so we can run here, without typing in any data. We need the file with the .NEM suffix so we can run with "your" data, exactly as you typed it in.
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Regards, Richard Ay - Consultant
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#37912 - 09/14/10 08:50 AM
Re: Large bore line, Nema SM23
[Re: Richard Ay]
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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Just right click on the file and hit rename, then delete ".doc" thx
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Regards, Javian
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#37913 - 09/14/10 09:06 AM
Re: Large bore line, Nema SM23
[Re: Jozm]
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Member
Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
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Ok, I grabbed your file, renamed it, and ran it. I had no issues running this file. Here is the ouput.
What version and build are you running?
Attachments
Large_Bore_NEMA.doc (546 downloads)
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Regards, Richard Ay - Consultant
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#37914 - 09/14/10 09:09 AM
Re: Large bore line, Nema SM23
[Re: Richard Ay]
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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ver.5.10.02 build 080512 we have the new version though! Thanks
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Regards, Javian
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#37915 - 09/14/10 09:14 AM
Re: Large bore line, Nema SM23
[Re: Richard Ay]
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Member
Registered: 05/19/07
Posts: 102
Loc: Canada
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I thought you are going to run it with real exhaust size which is 11'-1.86",...
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#37927 - 09/14/10 06:54 PM
Re: Large bore line, Nema SM23
[Re: Jozm]
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Member
Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
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It looks to me like this module was setup with a maximum nozzle nominal diameter of 88 inches. I don't know why that was done. At the moment that is as big as you can go.
We'll check into this and hopefully we can make some sort of adjustment here for the next version of the software.
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Regards, Richard Ay - Consultant
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