4.A steel plate is exposed to solar heat flux of 800 W/m² on one side. The plate is exposed to air at 30°C on both sides. The convection coefficients are 10 W/m²K on the back side and 15 W/m²K on the...

4.A steel plate is exposed to solar heat flux of 800 W/m² on one side. The plate is exposed to air at 30°C on both sides. The convection coefficients are 10 W/m²K on the back side and 15 W/m²K on the front. Determine the equilibrium temperature. Neglect radiation loss