Thanks for your help rmix. The effectiveness should be positive but I have may have made an error putting in the equations.
I messed around with the symbolic solving functions of mathcad but was not able to replicate making the other equations functions of eps1. Was that manual or was there a...
I'm trying to solve some equations for a variable. I don't think there are too many unknowns, but is there a way to check? Any ideas on how to solve this?
The material is heat transfer and the file is attached.
Thanks for any help.