A mechanically cleaned bar rack screen is installed ahead of a velocity controlled grit chamber. The bars are 10 mm thick, and the openings are 20 mm wide. The flow through the screen is 0.75 m3/s, and the depth of flow is 1.45 m in the channel upstream of the bar rack.1. Calculate the flow velocity through racks (m/s).2. Calculate the water depth in the channel downstream of the bar rack (m).

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Answered: A mechanically cleaned bar rack screen…

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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A mechanically cleaned bar rack screen is installed ahead of a velocity controlled grit chamber. The bars are 10 mm thick, and the openings are 20 mm wide. The flow through the screen is 0.75 m³/s, and the depth of flow is 1.45 m in the channel upstream of the bar rack.

1. Calculate the flow velocity through racks (m/s).

2. Calculate the water depth in the channel downstream of the bar rack (m).

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