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/m2-K) make-up 30% of the exterior wall. Three computer sets at 500 Watts each and 500 Watts of total lighting power in the room operate 24 hours per day. The indoor temperature is 20°C. Determine the following: a. The heat load, in Kilowatts, if the outdoor conditions is 32°C DB and 23°C WB. b. What would be the load, in Kilowatts, if the windows were double-glazed (U=3.5 W/m2•K)?
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/m2-K) make-up 30% of the exterior wall. Three computer sets at 500 Watts each and 500 Watts of total lighting power in the room operate 24 hours per day. The indoor temperature is 20°C. Determine the following: a. The heat load, in Kilowatts, if the outdoor conditions is 32°C DB and 23°C WB. b. What would be the load, in Kilowatts, if the windows were double-glazed (U=3.5 W/m2•K)?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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9. 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/m2-K) make-up 30% of the exterior wall. Three computer sets at 500 Watts each and 500 Watts of total lighting power in the room operate 24 hours per day. The indoor temperature is 20°C. Determine the following:
a. The heat load, in Kilowatts, if the outdoor conditions is 32°C DB and 23°C WB.
b. What would be the load, in Kilowatts, if the windows were double-glazed (U=3.5 W/m2•K)?
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