A 3 m wide rectangular channel, as shown, carries a flow of 11.7m3/s. hydraulic jump y2 Ус Y1 2 Az = 0.4m 3 At section 3

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A 3 m wide rectangular channel, as shown, carries a flow of 11.7m3/s. hydraulic jump y2 Ус Y1 2 Az = 0.4m 3 At section 3, it is observed that the flow profile goes through a critical depth control above the 0.4m step in the channel base. a) Calculate the critical energy at section 3. b) Assuming there is no energy loss between section and , use the energy equation to show that the depth yz, at, is approximately equal to 1.927 m. Just upstream of section, a hydraulic jump forms. Use the hydraulic jump formula to calculate the depth yı, at 1