A metal plate (k 180 W m K, 2800 kg m 3 , and c p 880 J kg K) with a thickness of 1 cm is being cooled by air at 5C with a convection heat transfer coefficient of 30 W m 2 K If the initial temperature of the plate is 300C, determine the plate temperature gradient at the surface after 2 minutes of c...

A metal plate (k = 180 W/m K, = 2800 kg/m 3 , and c

Question:

A metal plate (k = 180 W/m · K, ρ = 2800 kg/m³, and c_p = 880 J/kg · K) with a thickness of 1 cm is being cooled by air at 5°C with a convection heat transfer coefficient of 30 W/m² · K. If the initial temperature of the plate is 300°C, determine the plate temperature gradient at the surface after 2 minutes of cooling.

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