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categoryالهندسة الميكانيكية schoolبكالوريوس event_available2026-07-15

السؤال

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Consider a fluid with density 800 kgm-3. 1. This fluid is placed in a 5 mm gap between two parallel plates. Top plate is moved with a constant velocity 0.25 ms-1 over the fixed bottom plate. It is found that the top plate experience a force 0.125 Nm-2. Determine the kinematic viscosity of the fluid. 2. Same fluid is flowing in a pipe. The pipe diameter is 200 mm. A Pitot tube with an external manometer is connected to the pipe. The manometer fluid is water. The height difference between the water levels in the two legs is 33 mm. a) Calculate the volumetric flowrate in the pipe. b) Calculate the Reynolds number of the pipe flow.

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