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LaTeX Math Block
anchorfD
alignmentleft
\begin{cases}
f = 64/\mbox{Re}, & \mbox{if  Re}<2,100
\\f = a0.03048 + bk \cdot ( \mbox{Re} -2,100), & 2,100 < \mbox{if  Re}<4,000 
\\f = f_{CW}( \mbox{Re}, \, \epsilon), & \mbox{if  Re}>4,000
\end{cases}

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LaTeX Math Inline
body--uriencoded--f_%7BCW%7D(\mbox%7BRe%7D, \epsilon)

Colebrook–White correlation

a=0.03048 - 2,100 \cdot b
LaTeX Math Inline
body--uriencoded--\displaystyle b k = \frac%7B f_%7BCW%7D( \mbox%7BRe%7D =4,000, \, \epsilon) -0.03048%7D%7B1,900%7D
LaTeX Math Inline
body

interpolation multiplier between laminar and turbulent flow regimes



Churchill full-range model

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