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Unformatted text preview: Determine: a) Wall shear stress b) Pressure difference between sections (1) and (2) using the momentum equation c) Head loss between section (1) and (2) using the energy equation The distance between sections (1) and (2) is 10m. ( = 1,260 Kg/m 3 and = 1.50 N s/m 2 for glycerin at 20 C) 4. The water flowrate, , in an open rectangular channel can be measured by placing a plate across the channel as shown in Fig. 4. This type of a device is called a weir . The height of the water, , above the weir crest is referred to as the head and can be used to determine the flowrate through the channel. Assume that is a function of the head, , the channel width, , and the acceleration of gravity, . Determine a suitable set of dimensionless variables for this problem. Figure 3 Figure 4 2...
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 Fall '10
 FredrickStern
 mechanics

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