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of 25,000m/d, a mean velocity gradient ime of 45 minutes. The GT value sho ered flocculation is to be provide qual depth in series are to be usec oratory tests for the three compartmen

of 25,000m/d, a mean velocity gradient ime of 45 minutes. The GT value sho ered flocculation is to be provide qual depth in series are to be usec oratory tests for the three compartmen

Structural Analysis
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 A cross-flow, horizontal shaft, paddle wheel flocculation basin is to be designed for a flow of 25,000m/d, a mean velocity gradient of 26.7/sec (at 10° C), and a detention time of 45 minutes. The GT value should be from 50,000 Tapered flocculation is to be provided, and the three The G values to 100,000. compartments of equal depth in series are to be used. determined from laboratory tests for the three compartments are G1 = 50/sec, 20/sec, and G3 = 10/sec. These give an average G value of 26.7/sec. %3D G2 The compartments are to be separated by slotted, redwood baffle fences, and the floor of the basin is level. The basin should be 1.5 m in width to adjoin the settling tank. Determine: 1. The GT value 2. The basin dimensions 3. The power to be imparted to the water in each compartment
Transcribed Image Text:Question A cross-flow, horizontal shaft, paddle wheel flocculation basin is to be designed for a flow of 25,000m/d, a mean velocity gradient of 26.7/sec (at 10° C), and a detention time of 45 minutes. The GT value should be from 50,000 Tapered flocculation is to be provided, and the three The G values to 100,000. compartments of equal depth in series are to be used. determined from laboratory tests for the three compartments are G1 = 50/sec, 20/sec, and G3 = 10/sec. These give an average G value of 26.7/sec. %3D G2 The compartments are to be separated by slotted, redwood baffle fences, and the floor of the basin is level. The basin should be 1.5 m in width to adjoin the settling tank. Determine: 1. The GT value 2. The basin dimensions 3. The power to be imparted to the water in each compartment
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