Ex.5 A water treatment plant is designed to process (100 *10°m/day). The flocculator is (30m long 15m wide, and 5m deep. Revolving paddles are attached to four horizontal shafts that rotate at (1.5rpm). Each shaft four paddles that are (200mm) wide, (15m) long and centered (2m) from the shaft. Assume the mean water velocity to be (70%) less than paddle velocity and (Ca=1.8). All paddles remain submerged all the time, Find: 1- The difference in velocity between paddles and water. 2- The value of the velocity gradient (G). 3- The camp number.

Ex.5 A water treatment plant is designed to process (100 *10°m/day). The flocculator is (30m long 15m wide, and 5m deep. Revolving paddles are attached to four horizontal shafts that rotate at (1.5rpm). Each shaft four paddles that are (200mm) wide, (15m) long and centered (2m) from the shaft. Assume the mean water velocity to be (70%) less than paddle velocity and (Ca=1.8). All paddles remain submerged all the time, Find: 1- The difference in velocity between paddles and water. 2- The value of the velocity gradient (G). 3- The camp number.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter12: Electric Current And Related Variables In Engineering

Section: Chapter Questions

Problem 23P

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