R513a

[Benoit OBERT]

Hello Everyone,

I was wondering if any of you could send me the R513a.MIX fluid. I can't
find it.

Thank you,

Benoit

[Ian Bell]

Hi Benoit,

CoolProp doesn't use the .MIX files of REFPROP, it uses its own (better?) format.

Ian

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[Matthis Thorade]

Also, R513a is an azeotropic mixture, which means it behaves like a pure fluid, or almost like a pure fluid.
So, there would not be a .MIX file, but a .FLD  or .PPF file.

Are you aware of a publication in the open literature that gives an equation of state in terms of the Helmholtz energy for this fluid?
Then adding it should be quite easy (but then you would still not have the tranposrt properties!!).

Am Freitag, 23. März 2018 05:31:13 UTC+1 schrieb Ian Bell:

Hi Benoit,

CoolProp doesn't use the .MIX files of REFPROP, it uses its own (better?) format.

Ian

On Thu, Mar 22, 2018 at 5:05 AM, Benoit OBERT <benoit...@enertime.com> wrote:

Hello Everyone,

I was wondering if any of you could send me the R513a.MIX fluid. I can't find it.

Thank you,

Benoit

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[Benoit OBERT]

Thank you,

I will look into Coolprop's way of doing mixture. The manufacturer of the fluid uses the .MIX format even though it is an azeotropic mixture and he will provide it to us soon so I was just wondering if any of you already had it.

Benoit

[Alessandro Mandelli]

ASHRAE Number: R513A
Composition:
HFO1234yf (C3H2F4)  56 % w/w
R134a     (CH2FCF3) 44 % w/w

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Cordiali saluti

Best regards

Alessandro Mandelli
Technical support group coordinator
alessandr...@costergroup.eu

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[Vittorio Carosella]

Use this link:

https://pages.nist.gov/REFPROP-docs/

to download the file (free for all):

NEWMIX.ZIP

2018-03-23 10:16 GMT+01:00 Alessandro Mandelli <alessandr...@costergroup.eu>:

ASHRAE Number: R513A
Composition:
HFO1234yf (C3H2F4)  56 % w/w
R134a     (CH2FCF3) 44 % w/w

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Cordiali saluti

Best regards

Alessandro Mandelli
Technical support group coordinator

alessandro.mandelli@costergroup.eu

[Benoit OBERT]

Awesome! All the mixtures I could dream of. 

[Ian Bell]

R-513A is in CoolProp, see http://www.coolprop.org/coolprop/HighLevelAPI.html#predefined-mixtures