Registered Environmental Protection Engineer

Practice session

In physical wastewater pretreatment design per GB 50014 (Standard for Design of Outdoor Wastewater Engineering), what is the head loss (h_0) through a clean bar screen with bar thickness s = 10 mm, clear bar spacing b = 20 mm, screen inclination angle α = 60°, approach channel velocity v = 0.80 m/s, bar shape factor β = 2.42 (for rectangular bars with sharp edges), and gravitational acceleration g = 9.81 m/s^2 using the Kirschmer formula?

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