Considere a person who consumes 2100 kcal par day, of which 2000 kcal is converted thermal energy.( the remaining 100 kcal is used to do work on the environment.) The person has a surface area of 1.8 m² and is dressed in a bathing suit.
a) The person is in room at 20°C, with a convection heat transfer coefficient of 3 W/m².K. At this air temperature, the person's average skin temperature.
B) If the temperature of the environment were 33°C, what rate of perspiration would be needed to maintain a comfortable skin temperature of 33°C