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Thread: R134a
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26-10-2007, 05:29 AM #1
R134a
does anyone knows this equation (see attachment) which been derived from Martin-Hou's equation of state for R134a.
it seems that i cant get the value right even after using the values from DuPont's..can anyone help me out here?
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26-10-2007, 05:50 AM #2
Re: R134a
If the derivation and coefficients are correct, then it's a math error someplace. It's been a long time since I have worked with this, but are you sure about the actual equations and coefficients from Dupont?
If all else fails, ask for help.
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27-10-2007, 01:39 AM #3
Re: R134a
Sorry
were does "A" come in to the equation, I was with it until then but I lost it after that.
Ian
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