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Looking for OLD ASME article on Flashing Steam
3

Looking for OLD ASME article on Flashing Steam

Looking for OLD ASME article on Flashing Steam

(OP)
I have been looking everywhere (especially at ASME.org) for how to get a copy of "The Flow of a Flashing Mixture of Water and Steam through Pipes" by M.W. Benjamin and J.G. Miller from the "Transactions of the ASME" 64, from October of 1942.  I know it is often referenced for blowdown vessel operations and sizing for two-phase flow, but there are some basis questions I have that can really only be resolved by looking at the paper.

Does anyone have a PDF copy of this one that they could share?  I would greatly appreciate it.

(Thanks in advance)  

RE: Looking for OLD ASME article on Flashing Steam

I have found a copy of the thecnical paper you asked for. Unfortunately I can´t send you until the next week.
 

RE: Looking for OLD ASME article on Flashing Steam

(OP)
Thank you very much, casflo.  I look forward to it.

RE: Looking for OLD ASME article on Flashing Steam

Also, see the hardbound copy of the ASME steam tables, circa 1985, they have blowdown pipe sizing charts in the printed steam tables - in the form of choked 2 phase flow.

Prior to 1995, there was also an ABMA or nat'l board document for sizing blowdown tanks and interconnected piping- but it was strickly only valvid for single steam drum units- it became outdated after the onrush of 3 drum combined cycle HRSG's were built.

RE: Looking for OLD ASME article on Flashing Steam

Techs....

What is your ultimate goal here..??

Perhaps, to size and purchase a flashing vessel..??/

Or to undersatnd the thermodynamics of the operation.

-MJC

   

RE: Looking for OLD ASME article on Flashing Steam

(OP)
MJCronin,

Actually, a little of both.  With the NBIC NB-27 publication, we found a few errors and technical limitations, which davefitz illuminated above.  I like the publication quite a bit, but we had conditions not covered in the graphs and curve-fit equations in NB-27, so I wanted to see some of the original basis documents on solving for the mass flow-rates of the two-phase mixture.  We talked to several tank vendors in parallel, plus reviewed some other literature, and now have a method we are comfortable with.  

I'm quite thankful for casflo's contribution and the other information from davefitz for opening up this topic a little more.  I hate the de facto response of "give it to a vendor that specializes in this", because we've had the unfortunate "luck" of finding ones that say they can do something--like adequately size blowdown tanks--but end up doing something that is against our client's expectations.

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