Question

Consider a room with the following conditions:
. Room dimensions are 2.5 m x 4 m x 5 m (8.2 ft x 13.12 ft x 16.41 ft).
. One side has dimensions 2.5 m x 4 m (8.2 ft x 13.12 ft) and is entirely glazed
with interior surface temperature 10 C (50 F).
. The other surfaces are at 20 C (68 F).
. The air is at 22 C (71.6 F) dry-bulb temperature and 30 percent relative humidity.
(a) What is the mean radiant temperature?
(b) What is the operative temperature?
(c) Are these conditions within the comfort limits of ASHRAE?

Answer 1