thread507-415433
Please see the attached image to see a mathcad version of the Ruess formula, taken from a Dow white paper.https://files.engineering.com/getfile.aspx?folder=9810fb77-b000-4edb-a77d-64161f8a938e&file=shore-to-E.PNG
thread378-452903
For Zeta Phi in Idelchik 3rd Edition diagram 8-5, do not use the equation from the book
I'm still looking for an equation that has output that matches the data in the table.
thread330-14906
I found this when I was looking for 410 s-n fatigue curves. I noticed someone was looking for this earlier in the thread referenced above...
I have run into some trouble when trying to use the equation for zeta phi in diagram 8-5 in the 3rd edition of "Handbook of Hydraulic Resistance," by I.E. Idelchik. When I enter the open area ratio and Reynolds number into the equation, the value for Zeta Phi does not match the value from the...
