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categoryهندسة ميكانيكية schoolبكالوريوس event_available2026-07-14

السؤال

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Consider a source with a strength of A = 16 m²/s, placed in a free stream velocity of 16 m/s, pressure of 92 kPa, and density of 1.05 kg/m³, above a flat plate. The source is located at y = 0.5 m. To model the effect of the plate, we can place a second source of equal strength at y = -0.5 m, which results in a horizontal streamline between the two sources. A section of the streamline can be used to model the flat plate which has a length of 0.8 m placed in the flow at y=0 and centered between the two sources. If the pressure on the bottom of the flat plate is 92 kPa and the pressure on the top of the flat plate is a function of the velocity distribution, compute the coefficient of lift per unit span for the flat plate. (Answer to 2 decimal places.) C₁ = TTTT Pop *

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