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The Colebrook Equation, developed by C.F. Colebrook in 1938 shows that for Reynolds Numbers greater than 3000, a pipe's friction factor is a function of both Reynolds Number and relative roughness. The equation is: 1/(f^1/2) = -2log base10 ( (E/3.7D) + (2.51/R f^1/2) } This equation requires a trail-and-error solution for the friction factor f.
Find out information about Colebrook equation. An empirical equation for the flow of liquids in ducts, relating the friction factor to the Reynolds number and the relative roughness of the duct....
Solving Colebrook Equation for Pipe Design, Sizing and Optimisation Calculations: Solve Within Excel Worksheet - No VBA, MACRO, UDF of SOLVER Solve Implicit Equations Inside Your Excel Worksheet: Solve Colebrook and other implicit equations in seconds!
solve solve one or more equations Calling Sequence Parameters Basic Information Examples Details Calling Sequence solve( equations , variables ) Parameters equations - equation or inequality, or set or list of equations or inequalities variables - (optional)...
factor equations to calculate the frictional head loss and frictional pressure drop for a given flow rate of a specified fluid through a pipe with known diameter, length and roughness. • Be able to use the Darcy Weisbach equation and the Moody friction factor equations to calculate the required diameter for a given flow
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