Water enters a centrifugal pump with an absolute velocity (V_{1}=10 mathrm{~m} / mathrm{s}) in the radial direction
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Water enters a centrifugal pump with an absolute velocity \(V_{1}=10 \mathrm{~m} / \mathrm{s}\) in the radial direction and leaves with an absolute velocity \(V_{2}\), which makes an angle of \(\theta_{2}=60^{\circ}\) with the radial direction, as shown in Fig. P12.8. The impeller width (perpendicular to the paper) is \(b=0.125 \mathrm{~m}, R_{1}=0.125 \mathrm{~m}\), and \(R_{2}=0.35 \mathrm{~m}\). Find the input torque \(\mathscr{T}\) required to drive the pump if there are no friction losses.
Figure P12.8
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Related Book For
Munson Young And Okiishi's Fundamentals Of Fluid Mechanics
ISBN: 9781119080701
8th Edition
Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
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