Physics, 30.03.2020 22:14, mikki93

10-cm-thick brass plates (k = 110 W/m‧K, rho= 8530 kg/m3 , cp = 380 J/kg‧K, α= 40 x 10-6 m2 /s) are cooled in an impinging jet of air at 15 o C and convective heat transfer coefficient of 220 W/m2 ‧K. The plate is initially at a uniform temperature of 600 o C and the bottom is insulated. Determine the temperature of plane that is 5 cm from the top surface after 3 minutes of cooling.

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10-cm-thick brass plates (k = 110 W/m‧K, rho= 8530 kg/m3 , cp = 380 J/kg‧K, α= 40 x 10-6 m2 /s) are...