Electric current is passed through a 2-mm diameter cylindrical metal rod with emissivity o...

Electric current is passed through a 2-mm diameter cylindrical metal rod with emissivity of 0.5. The rod is submerged horizontally in water under atmospheric pressure and the rod surface temperature reaches 500°C. Determine the boiling heat transfer coefficient and the total heat transfer coefficient. Answers-. 288 W/m2·K, 306 W/m2·K

FIGURE P10 – 84