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Engineering · Mechanical Engineering
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Q1) The wing of an aircraft has a mass of 50 kg, surface area of As 12 m2, and a specific heat of C 0.50 kJ/kg.K. The wing has a characteristic length of L 3 m. Air at 1 atm, 25°C, and 10 m/s flows over the wing. The temperature of the wing drops from 160 to 150°C within 2 minutes of cooling. Determine the drag force exerted by the air flow on the wing. Assume the surface temperature of the wing is the average of the initial and final temperatures

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