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Processing & Handling :: Liquid, Gas and Air Handling :: Piping & tubing

February 1, 2014

Quick Pipe and Duct Flow Calculations

Simple calculation methods for estimating flow characteristics in pipes and ducts save engineers’ time

Bruce R. Smith Sidock Group

Would you like to make a quick mental calculation to determine approximate flowrate, velocity, or pipe and duct sizes for many common situations? This article presents two methods for estimating flow characteristics without the aid of charts, tables, calculators or software programs. One method applies to liquid flow in pipes, and the other to air flow in ducts. These techniques are intended to be simple enough to yield useful answers within a few seconds....

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