A vertical plate 0.2 m in height and 1 m wide is maintained at a uniform temperature of 110°C. It is placed in quiet ambient air at 30°C. Find the heat loss from the two surfaces of the plate....

A vertical plate 0.2 m in height and 1 m wide is maintained at a uniform temperature of 110°C. It is placed in quiet ambient air at 30°C. Find the heat loss from the two surfaces of the plate. Properties of air of 70°C are: p = 1.029 kg/m3, µ = 20.6 x 10.6 Poise, Pr = 0.694 and k = 0.0296 W/mK.