Given: A flocculation basin. Q=12MGD, horizontal shaft, paddle wheel. The mean25s' @ 50°F. t=45min. The Gt must be between 50,000-100,000. Use 3 stages of equaldepth in which the G's decrease: 45, 20, and 10. L=0.5W, L=3H. The paddles are to bemade of redwood, 10'x6". The outside blade is to be 1.5' from the floor of the tank as wellas from the top of the water surface. Use 6 blades/wheel and maintain a clear spacing of12" between blades. Adjacent wheels are to maintain a clear spacing of 24-36" betweenblades. The wall clearance is to be between 12-18". Cp=1.50 for the paddles. Use thepower equations P=.97CpAv and P=µVG?.G=

Answered: Image /qna-images/answer/2aa927e2-fb97-4489-9331-82876aee8d73.jpg

12" between blades. Adjacent wheels are to maintain a clear spacing of 24-36" between blades. The wall clearance is to be between 12-18". Cp=1.50 for the paddles. Use the power equations P=.97CpAv and P=µVG?.

12" between blades. Adjacent wheels are to maintain a clear spacing of 24-36" between blades. The wall clearance is to be between 12-18". Cp=1.50 for the paddles. Use the power equations P=.97CpAv and P=µVG?.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Given: A flocculation basin. Q=12MGD, horizontal shaft, paddle wheel. The mean
25s' @ 50°F. t=45min. The Gt must be between 50,000-100,000. Use 3 stages of equal
depth in which the G's decrease: 45, 20, and 10. L=0.5W, L=3H. The paddles are to be
made of redwood, 10'x6". The outside blade is to be 1.5' from the floor of the tank as well
as from the top of the water surface. Use 6 blades/wheel and maintain a clear spacing of
12" between blades. Adjacent wheels are to maintain a clear spacing of 24-36" between
blades. The wall clearance is to be between 12-18". Cp=1.50 for the paddles. Use the
power equations P=.97CpAv and P=µVG?.
G=

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