A computer room located on the second floor of a five-storey office building is 10m x 7m. The exterior wall is 3.5m high and 10m long; it is a metal curtain wall (steel-backed with 10mm of insulating board), 75mm of glass fiber insulation, and 16mm of gypsum board. The single-glazed window (U=5.9 W/m^2-K) make-up 30% of the exterior wall. Three (3) computer sets at 500 Watts each and 500 Watts of total lightning power in the room operate 24 hours per day. The indoor temperature is 20°C. Determine the following: 1. Heat load in KW if the outdoor condition is 32°C DBT and 23°C WBT a. 2.95 b. 3.17 c. 3.41
A computer room located on the second floor of a five-storey office building is 10m x 7m. The exterior wall is 3.5m high and 10m long; it is a metal curtain wall (steel-backed with 10mm of insulating board), 75mm of glass fiber insulation, and 16mm of gypsum board. The single-glazed window (U=5.9 W/m^2-K) make-up 30% of the exterior wall. Three (3) computer sets at 500 Watts each and 500 Watts of total lightning power in the room operate 24 hours per day. The indoor temperature is 20°C. Determine the following:
1. Heat load in KW if the outdoor condition is 32°C DBT and 23°C WBT
a. 2.95
b. 3.17
c. 3.41
d. 3.67
e. 3.97
2. What would be the load in kilowatts if the windows were double-glazed (U=3.5 W/m^2-K)
a. 2.95
b. 3.17
c. 3.41
d. 3.67
e. 3.97
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