Estimate pump power and flow rate, Mechanical Engineering
Estimate pump power and flow rate, Mechanical Engineering
In designing piping systems, it is sometimes desirable to estimate the appropriate pipe length for a given diameter, pump power and flow rate. In such cases, if minor pipe losses are neglected, then the pump head hp matches the frictional head loss hf. i.e.
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Consider a pump that delivers 450W to water at 20oC, which flows in a 15-cm diameter asphalted cast iron horizontal pipe with a speed of u=1.8m/s. What should the length of the pipe be in order to match these conditions?
Note: Use both the Moody diagram and the following empirical relationship to determine the friction factor and comment on the final solutions obtained from the two different approaches.
