Calculate the value of convection coefficient

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Calculate the value of convection coefficient required to cool the alloy steel balls (15 mm diameter, density = 8000 kg/m3, specific heat = 500 J/kgK, conductivity = 50 W/mK) from 820°C to 100°C. The bathing temperature is 40°C and the process must be completed in 5 min, 10 min and 30 min. Draw the relationship between time and heat transfer coefficient

Reference no: EM132641294

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