Re: [coolprop-users] Error: Input pair variable is invalid and output(s) are non-trivial

[Ian Bell]

Can you please show your error message? In general, questions like these are better directed to https://github.com/CoolProp/CoolProp/discussions

On Wed, Apr 2, 2025 at 2:44 AM vachan potluri <vachanpo...@gmail.com> wrote:

Hello,

I am unable to understand why this function call is giving an invalid input pair error.

PropsSI("U","p",10005300,"T",3100,"Hydrogen[0.3906683942107862]&Oxygen[0.00011313611972357972]&Water[0.6092184696694903]"

Python 3.12.8

Coolprop 6.6.0 (conda-forge)

Any help would be greatly appreciated

Thank you

Vachan

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[vachan potluri]

Hello Ian,

Thank you for responding. I had a typo in my function call: I was using small case 'p'. Sorry for the confusion. I have deleted the message in the group.

Thank you

Vachan

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