Question

Exercise 1.18 A freshly forged flat steel ( λ-56, 16 W/m K , c.-450 J/kg K, ρ-7800 kg/m2 ) is immersed in an oil bath at 800°C. The steel surface immediately reaches the temperature of the oil bath of 50°C. Neglect marginal effects and consider the steel as a plate with a thickness of 10 mm. What are the steel temperatures in 1 mm, 4 mm and 5 mm below the surface? a) after 1/100 second? b) after 1/10s c) after 1s?

Answer 1

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