<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>Hi,</div><div><br></div><div>I'm looking for a type to calculate the friction coefficient (turbluent flow, Colebrook equation?) of a fluid in a tube, or a type that calculates pressure drop.</div><div><br></div><div>Thank you</div></div></body></html>