ChE304 Moody Friction Factor Chart -...
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ChE304 Moody Friction Factor Chart ü Moody Friction Factor Chart Laminar Flow — f = 64 ê Re Re = r dv m = dv n where Ó = m r d — diameter; v — velocity; r — density; m — dynamic viscosity; n — kinematic viscosity ü Turbulent flow get f from the chart or the Haaland equation. ü Haaland Equation — Note: the Log is the natural log (ln) f = 1.63639 LogA0.234043 eod 1.11 + 6.9 Re E 2 ü TI - 89 Implementation where e is e/d and fre(v) is a Reynolds number function Define fhf HvL = 1.63639 ê ln H0.234043 * e^1.11 + 6.9 ê fre HvLL ^2
Transcript of ChE304 Moody Friction Factor Chart -...
ChE304Moody Friction Factor Chart
ü Moody Friction Factor Chart
Laminar Flow — f = 64 ê Re
Re =r d v
m=d v
nwhere Ó =
m
r
d — diameter; v — velocity; r — density;m — dynamic viscosity; n — kinematic viscosity
ü Turbulent flow get f from the chart or the Haaland equation.
ü Haaland Equation — Note: the Log is the natural log (ln)
f =1.63639
LogA0.234043 eod1.11 + 6.9Re
E2
ü TI - 89 Implementation where e is e/d and fre(v) is a Reynolds number function
Define fhf HvL = 1.63639 ê ln H0.234043 * e^1.11 + 6.9 ê fre HvLL^2
