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Finding Friction factor

SOLVED
Regular Member

Finding Friction factor

What is the best way to find friction factor?What is the best way to find friction factor?

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Finding Friction factor

Hi,

 

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.

View solution in original post

4 REPLIES 4

Re: Finding Friction factor

Hi,

 

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.

View solution in original post

Re: Finding Friction factor

Thank you so much,Terry.

Re: Finding Friction factor

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.  

Re: Finding Friction factor

Thanks. It seems an easier way to solve the equation. 

 

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