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Table 4 Specifications of the upgraded supply and exhaust fans

From: Revitalizing subterranean spaces: a comprehensive study on enhancing air quality in underground shopping malls for sustainable urban living

Characteristics

Values

Note

Supply/Exhaust Fan

 air volume

45,000 m3 h−1

29% better than before

 positive pressure

16 kPa

 efficiency

80%

 FEG

80 Class

 power

26 kW

Booster Fan

 air volume

3,000 m3 h−1

-

 noise

70 dB/A or less