Morrison michigan tech u 11 pumping system head

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Unformatted text preview: CM3215 Fundamentals of Chemical Engineering Laboratory THIS WEEK System Curve Assignment (week 9; due Wed after break) How do you choose a centrifugal pump for a given duty? • Calculate the flow-rate-dependent demands of a system = system head curve (this assignment) •Compare the system-head curve (demands) to the available pumping-head curve (supply), and choose the right pump Pumping Head Lab (week 10) •Pumping Head Characteristic Curves are plots of what an existing pump can do under various loads (duties) •We measure the pump characteristic curve by determining Δ on the suction/discharge system 23 © Faith A. Morrison, Michigan Tech U. CM3215 Fundamentals of Chemical Engineering Laboratory System Curve Assignment (week 9; due Friday) How do you choose a centrifugal pump for a given duty? • Calculate the flow-rate-dependent demands of a system = system head curve (this assignment) •Compare the system-head curve (demands) to the available pumping-head curve (supply), and choose the right pump Pumping Head Lab (week 10) •Pumping Head Characteristic Curves are plots of what an existing pump can do under various loads (duties) •We measure the pump characteristic curve by determining Δ on the WEEK 10 suction/discharge system 24 © Faith A. Morrison, Michigan Tech U. 12 Pumping System Head CM3215 FAM 3Mar2014 CM3215 Fundamentals of Chemical Engineering Laboratory The CM3215 “Lossy” Pump •Extends from the pump suction to the exit of the orifice meter. •The system on which this pump operates thus is the piping and fittings between the exit of the orifice meter and the pump suction © Faith A. Morrison, Michigan Tech U. Pressure tap at exit of orifice meter System worked on by lossy pump Lossy pump Pressure tap at pump suction tank 25 13...
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