# Drag coefficient depend of reynolds number.

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 July 10, 2012, 01:56 Drag coefficient depend of reynolds number. #1 New Member   Mindaugas Join Date: Jun 2012 Posts: 25 Rep Power: 5 Hi everyone, I have a problem drawing, drag coefficient dependence of reynolds number, function. Maybe some ideas? How to do this graphic?

 July 10, 2012, 02:18 #2 Super Moderator     Sijal Ahmed Memon (turboenginner@gmail.com) Join Date: Mar 2009 Location: Islamabad Pakistan Posts: 3,959 Blog Entries: 6 Rep Power: 39 please give some details about ur method, mesh, geometry, solver etc.

 July 10, 2012, 02:29 #3 New Member   Mindaugas Join Date: Jun 2012 Posts: 25 Rep Power: 5 https://confluence.cornell.edu/displ...+Specification I'm doing this tutorial. It's very interenting, how to draw a graphic where drag cofficient depends of reynolds number. Do I need UDF there? Or there is some other ways how to make reynolds number as a variable (From laminar to turbulent fluid).

 July 10, 2012, 02:34 #4 New Member   Mindaugas Join Date: Jun 2012 Posts: 25 Rep Power: 5 Any ideas?

 July 10, 2012, 03:57 #5 Senior Member     Alex Join Date: Jun 2012 Location: Germany Posts: 1,104 Rep Power: 19 Calculate the flow with different inlet velocities and use software like gnuplot, excel or whatever to create the chart?

 July 10, 2012, 04:11 #6 New Member   Mindaugas Join Date: Jun 2012 Posts: 25 Rep Power: 5 I'm doing it right now. But it's realy long work

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