Hello everybody,
I am working on condensate extraction lines in power piping. Could anyone enlighten me on what considerations should be kept in mind while designing the minimum recirculation lines from the CEPs back to condenser through ARC valves.
Regards
Paritosh Garg
India
>
> There are 8 messages in this issue.
>
> Topics in this digest:
>
> 1. Re: LIQUID HOLD UP CALCULATIONS IN PIPELINE OF 3 PHASE FLOW
> From: whasan <whasan@shaw.ca>
> 2. Re: Fw: Non-Destructive Test for Determination of Lead Pipe
> From: "Robin Badcock" <rbadcock@vision.net.au>
> 3. When Flexibility Analysis is Needed?
> From: GET Mithapur <getuser@tatachemicals.com>
> 4. vvnk
> From: <Krishna.Vyakaranam@akerkvaerner.com>
> 5. Re: When Flexibility Analysis is Needed?
> From: SALEM FOR EVER <salemhr@yahoo.com>
> 6. RE: When Flexibility Analysis is Needed?
> From: Ken Nisly-Nagele <knislynagele@applied-e-s.com>
> 7. Flanges & washers!
> From: "getsis" <getsis@yahoo.com>
> 8. Re: vvnk
> From: Christopher Wright <chrisw@skypoint.com>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 1
> Date: Thu, 15 Jul 2004 20:25:34 -0700
> From: whasan <whasan@shaw.ca>
> Subject: Re: LIQUID HOLD UP CALCULATIONS IN PIPELINE OF 3 PHASE FLOW
>
> Good day Aziz,
>
> You need of course detailed composition for 3 phase calculations and hold
> up.as well as hydraulics .a good software is PIPESYS,which comes either
part
> of Hysys package..or as a separate program ,the company is (NEOTEC)
> There are ofcourse many text books that tackle 2-Phase flow
> (liquid-gas )..You can start with GPA ( Gas Processors Association )
> Handbook
>
> I hope this helps
>
> Regards,
>
> Waiel Hasan
> Kemproserv Inc
> Canada
> ----- Original Message -----
> From: "Vayani, Aziz (Zeeshan Engineering)" <VayaniA@bp.com>
> To: <PipingDesign@yahoogroups.com>
> Sent: Monday, July 12, 2004 12:29 AM
> Subject: [PipingDesign] LIQUID HOLD UP CALCULATIONS IN PIPELINE OF 3 PHASE
> FLOW
>
>
> > Good Day
> >
> > I am working on an assignment to calculate the liquid Hold-up in a 12"
dia
> & 85,000 ft long pipeline that handle three phase flow i-e condensate,
water
> & gas. Any body know about manual calculation or a software that can
> calculate it.
> >
> > Thanks
> > A. Aziz Vayani
> >
> >
> >
> >
> >
> > =========================================
> > PipingOffice - Excel Spreadsheets for Piping Calculations
> > http://www.pipingoffice.us/
> > =========================================
> > Main site: http://www.pipingdesign.com
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 2
> Date: Fri, 16 Jul 2004 14:08:21 +1000
> From: "Robin Badcock" <rbadcock@vision.net.au>
> Subject: Re: Fw: Non-Destructive Test for Determination of Lead Pipe
>
> Further to Gordon's comments, we have used similar devices over the years
> and I am sure that in recent times (last 12 months say) that I have had a
> brochure come across my desk on measuring equipment that is perhaps
capable
> of your request. As a starting point perhaps a couple of phone (if you
> haven't already) calls to a scientific instrument manufacture may give
> further direction as to what is available for hire or purchase. I am sorry
> but I do not recall the make of instrument that the brochure I say
> contained.
>
> Cheers
>
> Robin Badcock
>
>
> ----- Original Message -----
> From: <Gordon.Reddek@Alcan.com>
> To: <PipingDesign@yahoogroups.com>
> Sent: Thursday, July 15, 2004 9:35 AM
> Subject: Re: [PipingDesign] Fw: Non-Destructive Test for Determination of
> Lead Pipe
>
>
> > I once used a pipe detector that generated a radio signal in a metallic
> > pipeline. You placed a radio signal generator over the line and then
> > followed the radio signal with a wand that you waved over the ground
like
> > a metal detector. So you should have no problem determining if the pipe
> > is metallic. All you need to determine now is if the metallic pipe is
> > magnetic. There must be something around to do that.
> >
> > Cheers,
> >
> > Gordon Reddek
> >
> >
> > Gordon Reddek
> > Specialist Mechanical Engineer
> > Alcan Engineering, Level 3, 443 Queen St, Brisbane, Qld 4001, Australia.
> > Tel: +61 7 3328 6424
> > Fax: +61 7 3328 6990
> > Email: gordon.reddek@alcan.com
> >
> >
> >
> >
> > "Paul Bowers" <pbowers@pipingdesign.com>
> > 15/07/2004 05:49 AM
> > Please respond to
> > PipingDesign@yahoogroups.com
> >
> >
> > To
> > <PipingDesign@yahoogroups.com>
> > cc
> >
> > Subject
> > [PipingDesign] Fw: Non-Destructive Test for Determination of Lead Pipe
> >
> >
> >
> >
> >
> >
> >
> >
> > ----- Original Message -----
> > > Hello,
> > >
> > > I checked out your website, but the link to non-destructive testing
> > was out.
> > > I was wondering if anyone would know about non-destructive tests for
> > > determination of whether a buried, urban pipe is made of lead or not.
> > This
> > > information is to be used in Washington DC's lead pipe replacement
> > program
> > > that will be getting underway shortly. Any help would be greatly
> > > appreciated.
> > >
> > > Sincerely,
> > >
> > > Jonn Kusch
> > > Construction Dynamics Group, Inc.
> >
> >
> >
> >
> >
> > =========================================
> > PipingOffice - Excel Spreadsheets for Piping Calculations
> > http://www.pipingoffice.us/
> > =========================================
> > Main site: http://www.pipingdesign.com
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> > Notice:
> > This message and any attachments are the property of Alcan and are
> > intended solely for the named recipients or entity to whom this message
is
> > addressed. If you have received this message in error please inform the
> > sender via e-mail and destroy the message. If you are not the intended
> > recipient you are not allowed to use, copy or disclose the contents or
> > attachments in whole or in part.
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> >
> > =========================================
> > PipingOffice - Excel Spreadsheets for Piping Calculations
> > http://www.pipingoffice.us/
> > =========================================
> > Main site: http://www.pipingdesign.com
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 3
> Date: Fri, 16 Jul 2004 16:31:54 +0530
> From: GET Mithapur <getuser@tatachemicals.com>
> Subject: When Flexibility Analysis is Needed?
>
> Dear All,
>
> Can anybody tell us when Piping Flexibility Analysis is needed?
> I have referred B.31.3 & B31.1 (clause 319.4.1 & 119.7.1) but not reached
> any clear conclusion.
>
> What are criteria involved for Piping Stress Analysis.
> Are there any minimum requirements to be considered while deciding for
> Flexibility Analysis?
>
> DEEPAK
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 4
> Date: Fri, 16 Jul 2004 20:38:19 +0800
> From: <Krishna.Vyakaranam@akerkvaerner.com>
> Subject: vvnk
>
>
> hi,
> Any idea as to thickness calculations for MITRE BENDS? Do miter bends have
more thickness than pipe it is connected to?
>
> Best Regards,
> V.V.N.KRISHNA
> Kvaerner Powergas ( I ) Pvt. Ltd.
> Direct *: 91-22-5691 5552 (Office)
> Board *: 91-22-5691 5901 Ext. 5552
> > * Fax: 91-22-5691 5934 / 5944
> 177, Vidyanagari Marg, Kalina, Mumbai 400 098. India.
> * krishna.vyakaranam@akerkvaerner.com
>
>
>
> This e-mail and any attachment are confidential and may be privileged or
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>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 5
> Date: Fri, 16 Jul 2004 06:12:37 -0700 (PDT)
> From: SALEM FOR EVER <salemhr@yahoo.com>
> Subject: Re: When Flexibility Analysis is Needed?
>
> There is a pragraph in B31.3 for flexibilty
> limitations and when it shall be applyed.. refere to
> it.
>
> regards
> --- GET Mithapur <getuser@tatachemicals.com> wrote:
> > Dear All,
> >
> > Can anybody tell us when Piping Flexibility Analysis
> > is needed?
> > I have referred B.31.3 & B31.1 (clause 319.4.1 &
> > 119.7.1) but not reached
> > any clear conclusion.
> >
> > What are criteria involved for Piping Stress
> > Analysis.
> > Are there any minimum requirements to be considered
> > while deciding for
> > Flexibility Analysis?
> >
> > DEEPAK
> >
> >
>
>
>
>
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> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 6
> Date: Fri, 16 Jul 2004 08:32:25 -0500
> From: Ken Nisly-Nagele <knislynagele@applied-e-s.com>
> Subject: RE: When Flexibility Analysis is Needed?
>
> DEEPAK -
>
> My understanding is that for compliance with B31.3, all systems require a
> flexibility analysis unless the system duplicates a successfully operating
> system, can be judged adequate by comparison with previously analyzed
system
> or are within the limits of Paragraph 319.4.1.
>
> - Ken
>
> Ken A. Nisly-Nagele, P.E.
> Project Engineer, Mechanical
> Applied Engineering Services, Inc.
> 7999 Knue Road
> Indianapolis, IN 46250
> 317-585-8920
>
> -----Original Message-----
> From: GET Mithapur [mailto:getuser@tatachemicals.com]
> Sent: Friday, July 16, 2004 6:02 AM
> To: 'pipingdesign@yahoogroups.com'
> Subject: [PipingDesign] When Flexibility Analysis is Needed?
>
> Dear All,
>
> Can anybody tell us when Piping Flexibility Analysis is needed?
> I have referred B.31.3 & B31.1 (clause 319.4.1 & 119.7.1) but not reached
> any clear conclusion.
>
> What are criteria involved for Piping Stress Analysis.
> Are there any minimum requirements to be considered while deciding for
> Flexibility Analysis?
>
> DEEPAK
>
>
>
>
> =========================================
> PipingOffice - Excel Spreadsheets for Piping Calculations
> http://www.pipingoffice.us/
> =========================================
> Main site: http://www.pipingdesign.com
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 7
> Date: Fri, 16 Jul 2004 13:55:14 -0000
> From: "getsis" <getsis@yahoo.com>
> Subject: Flanges & washers!
>
> Can anyone tell me why when joing two pipe flanges washers are not
> used?. In my opinion washers would help the protective coat on the
> flages along with protecting the flange from damage.
>
> I Also would expect the loading distribution with be better. All
> other industries use washers why doesn't piping?
>
> Many thanks
>
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
> Message: 8
> Date: Fri, 16 Jul 04 11:15:58 -0500
> From: Christopher Wright <chrisw@skypoint.com>
> Subject: Re: vvnk
>
> >Any idea as to thickness calculations for MITRE BENDS? Do miter bends
have
> >more thickness than pipe it is connected to?
> do a literature search at <http://www.scirus.com/> This topic has been
> beaten bloody over the last 50 years or so. The real problem is that
> there are no closed form solutions, and the effects of external loads are
> difficult to assess. Somewhere stress intensification factors are
> published for pressure loading on miter joints--values are somewhere
> between 2 and 3
>
> If you're hell-bent on doing a miter joint for some reason, the quickest,
> cheapest way is FEA, particularly if you're carrying loads besides
> pressure.
>
> Christopher Wright P.E. |"They couldn't hit an elephant at
> chrisw@skypoint.com | this distance" (last words of Gen.
> ___________________________| John Sedgwick, Spotsylvania 1864)
> http://www.skypoint.com/~chrisw
>
>
>
>
> ________________________________________________________________________
> ________________________________________________________________________
>
>
> =========================================
> PipingOffice - Excel Spreadsheets for Piping Calculations
> http://www.pipingoffice.us/
> =========================================
> Main site: http://www.pipingdesign.com
>
> ------------------------------------------------------------------------
> Yahoo! Groups Links
>
>
>
>
> ------------------------------------------------------------------------
>
>
Received on Sat Jul 17 01:27:00 2004
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