Convective heat transfer coefficient

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Reference no: EM13706999

An aluminium casting 2 cm cubed is at 800 degrees Celsius and is to be air quenched in 30 degree Celsius air having convective heat transfer coefficient of 50 W/m^2*k determine

a. biot number

b. time constant

c. time for casting to cool to 100 degrees Celsius

Reference no: EM13706999

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Convective heat transfer coefficient : An aluminium casting 2 cm cubed is at 800 degrees Celsius and is to be air quenched in 30 degree Celsius air having convective heat transfer coefficient of 50 W/m^2*k determine

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