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Water at 0C0^{\circ} \mathrm{C} releases 333.7 kJ/kg333.7 \mathrm{~kJ} / \mathrm{kg} of heat as it freezes to ice (ρ=920 kg/m3)\left(\rho=920 \mathrm{~kg} / \mathrm{m}^3\right) at 0C0^{\circ} \mathrm{C}. An aircraft flying under icing conditions carries a heat transfer coefficient of 150 W/m2K150 \mathrm{~W} / \mathrm{m}^2 \cdot \mathrm{K} between the air and wing surfaces. What temperature must the wings be kept at to prevent ice from forming on them during icing conditions at a rate of 1 mm/min1 \mathrm{~mm} / \mathrm{min} or less?


Answered 2 years ago
Answered 2 years ago
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Assumption: Heat transfer coefficient is constant.\textit{\textbf{Assumption:} Heat transfer coefficient is constant.}

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