A rectangular channel with a transition is carrying a flow rate of Q = 10 m/s....
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A rectangular channel with a transition is carrying a flow rate of Q = 10 m³/s. Figure 1 presents the channel transition (both top and side view) including relevant information on channel width B and hump height Az. You can assume that the transition acts as a flow control. You can assume that there are no friction or local losses. Complete the following: a) Calculate the flow depths and Froude numbers at characteristic locations along the open channel flow system. [8 marks] b) As part of your answer, include a sketch of the specific energy diagram showing all relevant information. [5 marks] c) Sketch the side view of the open channel flow system (Figure 1) into your answer booklet and add the free surface profile along the open channel flow system based upon your flow depth calculations. [3 marks] Side view Top view B₁ Q AZ Figure 1. Side view (upper sketch) and top view (lower sketch) of a rectangular open channel flow system with channel contraction from width B₁ = 3 m to width B2 = 2 m and downstream width B3 = 3 m as well as hump height Az = 0.5 m (not to scale). A rectangular channel with a transition is carrying a flow rate of Q = 10 m³/s. Figure 1 presents the channel transition (both top and side view) including relevant information on channel width B and hump height Az. You can assume that the transition acts as a flow control. You can assume that there are no friction or local losses. Complete the following: a) Calculate the flow depths and Froude numbers at characteristic locations along the open channel flow system. [8 marks] b) As part of your answer, include a sketch of the specific energy diagram showing all relevant information. [5 marks] c) Sketch the side view of the open channel flow system (Figure 1) into your answer booklet and add the free surface profile along the open channel flow system based upon your flow depth calculations. [3 marks] Side view Top view B₁ Q AZ Figure 1. Side view (upper sketch) and top view (lower sketch) of a rectangular open channel flow system with channel contraction from width B₁ = 3 m to width B2 = 2 m and downstream width B3 = 3 m as well as hump height Az = 0.5 m (not to scale).
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