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A centrifugal pump impeller is rotating at 1200 rpm in thedirection shown in Fig. P12.9

Fundamentals of Fluid Mechanics | 8th Edition | ISBN: 9781119080701 | Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein ISBN: 9781119080701 456

Solution for problem 12.9 Chapter 12.4

Fundamentals of Fluid Mechanics | 8th Edition

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Fundamentals of Fluid Mechanics | 8th Edition | ISBN: 9781119080701 | Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein

Fundamentals of Fluid Mechanics | 8th Edition

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Problem 12.9

A centrifugal pump impeller is rotating at 1200 rpm in thedirection shown in Fig. P12.9. The flow enters parallel to the axisof rotation and leaves at an angle of 30 to the radial direction. Theabsolute exit velocity, V2, is 90 ft/s. (a) Draw the velocity trianglefor the impeller exit flow. (b) Estimate the torque necessary to turnthe impeller if the fluid is water. What will the impeller rotationspeed become if the shaft breaks?

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Biology lecture notes week 2 Lecture 4. Mon. 2­5­17 Why be eukaryotic  A closed membrane bilayer system (like a plasma membrane) provides a reaction vessel with a small volume Eukaryotic cells contain organelles:  Nucleus  Endoplasmic reticulum (ER)  Golgi  Lysosomes  Mitochondria, chloroplasts  Some others… “Two Worlds in a Cell” I. Polar, aqueous, hydrophilic. Water soluble compounds found here. Some examples: Cytoplasm and nucleoplasm. Matrix of mitochondria. Lumen of ER, golgi or lysosomes II. Non Polar, lipid­like, hydrophobic. Less soluble compounds seen here. Example: membranes In Between: Amphipathic: Amphipathic means “two natures”.  One end is polar and the other end is nonpolar (but seldom 50­50). One end

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Chapter 12.4, Problem 12.9 is Solved
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Textbook: Fundamentals of Fluid Mechanics
Edition: 8
Author: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
ISBN: 9781119080701

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A centrifugal pump impeller is rotating at 1200 rpm in thedirection shown in Fig. P12.9