An aluminum plate [k = 160 W/mK, ρ= 2790 kg/m 3,C p = 0.88kJ/kg K] of thickness L = 3 cm and at a uniform temperature of T o = 225˚C is suddenly immersed at time t = 0 in a well-stirred fluid...

An aluminum plate [k = 160 W/mK, ρ= 2790 kg/m 3,C p = 0.88kJ/kg K] of thickness L = 3 cm and at a uniform

temperature of T o = 225˚C is suddenly immersed at time t = 0 in a well-stirred fluid maintained at a constant temperature

T ∞= 25˚C.The heat transfer co-efficient between the plate and the fluid is h = 320 W/m2K. Determine the time required for

the centre of the plate to reach 50 0C.

Aug 29, 2022

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