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Morrison michigan tech u 9 pumping system head cm3215

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Unformatted text preview: m Head CM3215 FAM 3Mar2014 CM3215 Fundamentals of Chemical Engineering Laboratory Assignment 5: Calculate and plot the system head curves for the assigned system. © Faith A. Morrison, Michigan Tech U. (come into lab to get measurements you need) 19 CM3215 Fundamentals of Chemical Engineering Laboratory What’s this good for? (choosing pumps) 20 © Faith A. Morrison, Michigan Tech U. 10 Pumping System Head CM3215 FAM 3Mar2014 How do we use the system head curve to choose a pump? Hsystem Ws,on H pump mg F W P v 2 z friction s ,on g 2 g g mg Pumping effort and friction are All the contributions to load on the pump = Hsys, accounted for when the system curve system head intersects the pumping head curve Hpump(Q) DEMAND Obtain this versus Q from the manufacturer SUPPLY Where the two intersect, that’s where the pump operates. 21 © Faith A. Morrison, Michigan Tech U. Plot this versus Q CM3215 Fundamentals of Chemical Engineering Laboratory Sizing a Pump SUPPLY H (ft) system curve pumping curves from manufacturer operating points, where SUPPLY=DEMAND Q (gal/min) 22 © Faith A. Morrison, Michigan Tech U. 11 Pumping System Head CM3215 FAM 3Mar2014...
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