Suggested Velocities
Both economic and fluid dynamic constraints must be taken into consideration in order to determine the optimum velocity at which a particular fluid must move inside a pipe or duct. Some of the parameters of interest include the pipe economic diameter, pumping requirements, fluid conditions upstream and downstream of the piping system (i.e., the minimum upstream operating pressure and the maximum downstream operating pressure), and operating costs. Since pipes are available in a relatively small number of sizes, a cost analysis is feasible. Also, by using certain optimum economic diameter equations in conjunction with the various pipe sizes, reasonable economic velocities for various fluids may be calculated. These suggested velocities (or economic) velocities are available in INSTED/Database.
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