What is the best way to find friction factor?
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You are nearly there. You use a solve block. Solve blocks are available in MathCad 11/14/15 and Prime.
Enclosed is solution in Mathcad and PDF of Mathcad.
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Thank you so much,Terry.
Another approach is to use the Swamee-Jain equation. No iteration required. It's accurate to around 1% of Colebrook, which is plenty close for most flow work.
Thanks. It seems an easier way to solve the equation.