A 12 ft by 12 ft square room has one exterior wall with a surface temperature of 58°F and three interior wall surfaces with a temperature of 72°F.
a. Approximate the mean radiant temperature sensation of a person standing in the center of the room.
Neglect the effects of the floor and ceiling.
b. Approximate the mean radiant temperature sensation of a person standing 2 ft from the exterior wall.
Neglect the effects of the floor and ceiling.