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04-24-2013
02:32 AM

04-24-2013
02:32 AM

Attached is a steam flow pressure loss calculation.

I broke it down into three file. Please make sure your mathcad has internet access because

Thermodynamic Properties of steam flow is based on IAPWS-97 mathcad server . I really appreciate the authors effort

You probably has to rework the file reference in the "steam head loss PartIII " to point to the other file

the reference of viscousity calculation can be found in the mathcad file

The fanning friction factor is simply a find(f) of the colebrook-white equation thanks to the power of mathcad, dont we all love that?.

I would like the community effort to check the validity of the calculation (I only check a few result and it seems to be matching table/graph value of steam pressure loss)

You can go to "steam head loss Part III" to change the pressure, temperature and piping data. Feedbacks are most welcomed!

The file only works in (and hopefully it works):

0<T<800C, P<100MPa and 800<T<2000C, P<50MPa because that's the range of IAPWS-97

Thanks

BTW, I am struggling with my career and if anyone is interested in hearing me whining please send me a private message.

Solved! Go to Solution.

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04-24-2013
08:56 AM

04-24-2013
08:56 AM

See please my calculation:

15 REPLIES 15

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04-24-2013
02:44 AM

04-24-2013
02:44 AM

Re: A calculation of steam fluid flow pressure loss

See here please http://www.iapws.org/relguide/viscosity.htm

Matcad on-line calcularion

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04-24-2013
03:40 AM

04-24-2013
03:40 AM

Re: A calculation of steam fluid flow pressure loss

Special for You I add the wspDYNVISPT function in my WaterSteamPro cloud function set:

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04-24-2013
08:56 AM

04-24-2013
08:56 AM

See please my calculation:

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04-24-2013
12:01 PM

04-24-2013
12:01 PM

Re: A calculation of steam fluid flow pressure loss

Wow did not know this exited on your website, thanks!

let me compare the result.

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04-24-2013
01:22 PM

04-24-2013
01:22 PM

Re: A calculation of steam fluid flow pressure loss

henry leung wrote:

Wow did not know this exited on your website, thanks!

And where did you find out about these resources?

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04-26-2013
06:23 AM

04-26-2013
06:23 AM

Re: A calculation of steam fluid flow pressure loss

WHat "resources" do you mean? IAPWS? I learn about IAPWS through this community and the almighty power of google! There is almost nothing that you cannot find on google

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04-26-2013
06:56 AM

04-26-2013
06:56 AM

Re: A calculation of steam fluid flow pressure loss

But in Russian Google:

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04-26-2013
09:18 AM

04-26-2013
09:18 AM

Re: A calculation of steam fluid flow pressure loss

Solution with templates of Mathcad Prime 3.0. See the discription in attach.

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04-26-2013
02:27 PM

04-26-2013
02:27 PM

Re: A calculation of steam fluid flow pressure loss

Mathcad 3.0 is released?

Unfortunately the USA google cannot find the mathcad server by "Calculation in Internet"

If I search "mathcad calculation server" in USA then I can find a ptc community discussion, from which I can find a link to your server.

But thanks to the almighty google translator I can understand Russian on your server now!