I have worked through the attached question and am wondering if someone can look

Question

I have worked through the attached question and am wondering if someone can look it over to see if it is done correctly. Thanks

2. In Fig. 2.1, ethylene glycol (sg .10) at 25 C flows around the seven DN 125 Schedule 40 pipes and inside the rectangular passage. Calculate the volume flow of ethylene glycol in L/min required for the flow to have a Reynolds number of 8000. If the rectangular passage is horizontal, compute the energy loss over a length of 50-m and the the pressure drop. All the surfaces are steel. The roughness of steel is 1.5 × 10-6 m. [12 Marks] 400 mm DN 125 Schedule 40 steel pipes 500 mmm Figure 2.1

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Your given solution is correct. All of the steps seems correct and in order. Everything is fine with your solution

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