The emissivity of human forehead skin is approximately 0 973

Last updated: 6/10/2023

The emissivity of human forehead skin is approximately 0 973 Suppose you are in a large room whose wall temperature is 5 3 C during the winter The temperature of air in the room is 25 C and the convection heat transfer coefficient between air and your forehead skin is assumed to be 16 7 W m2 C Assuming no heat transfer from the inner body to the forehead skin determine the surface temperature of the forehead skin in C You may need iteration