1.7 - Hardy Cross Method Procedure
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Practice Questions
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Calculate head loss for a flow of 4 L/s with K = 0.05.
💡 Hint: Remember H_L = K Q^2.
What is the primary goal of the Hardy Cross Method?
💡 Hint: Think about the flow in a closed loop.
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Interactive Quizzes
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What does the Hardy Cross Method primarily analyze?
💡 Hint: Consider where you have seen this method applied.
In the Hardy Cross Method, a positive ΔQ indicates what?
💡 Hint: Think about what achieving zero head loss means for the flow.
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Challenge Problems
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Given a looped pipe network with pipes A, B, C, and D having respective K values of 0.03, 0.05, 0.02, and 0.04, if the flows are distributed as 20 L/s, 15 L/s, and 10 L/s, calculate ΔQ for the network. Assume all other conditions are ideal.
💡 Hint: Remember to calculate head losses from each pipe, sum them, and look for inequalities to adjust the flows.
You have a network with an inflow of 50 L/s and a desired output of 40 L/s. Using the Hardy Cross Method, detail the iterative steps you'd take to reach the desired output, including ΔQ adjustments.
💡 Hint: Focus on ensuring the head loss equation balances out while adjusting Q values.
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