Thermodynamic properties of R134a VI

[BUME]

I am looking for a VI that calculates the thermodynamic properties of common substances, including those of refrigerant 134a. Does anyone know of such a VI?

[smiley1570]

I am actually working on a VI for that right now.  It's pretty complicated because it's all tables.  So far I have gotten very accurate results using the mathematical formula, Least Squares Regression Analysis.  I'm making this VI for R134a and R404a.  Those are the refrigerants we use.  I'll let you know the progress.

smiley1570

[Conseils]

How are you getting on with this?
Are you ready to pst anything yet?

Regards
   Conseils

[CalorimeterOperator]

How is it going?  Did you finish the project?  Are you willing to sell the result?

Dean

[CalorimeterOperator]

How is it going?  Did you finish the project?  Are you willing to sell the result?

Dean

[johnsold]

smiley1570 last logged on to the Forum in 2006.  I doubt you will get a reply from him.

Lynn

[BUME]

Is there a market for such a VI and what would it be worth?  I can probably write one in a few weeks. 

[CalorimeterOperator]

market of 1. 

I am creating an air conditioning compressor calorimeter program.  We might be using 1234yf as well but right now r134a is our primary refrigerant.  How much would you charge?

[BUME]

It would probably take me 3-4 weeks, or $12-16K, for a market of 1, which would make for an expensive calorimeter program!

[CalorimeterOperator]

not that interested.  Thanks.