Da Silva Weber
Bibliographic info:
HLH 4/2003, pp 44-49, 2 Tab., 6 Fig., 4 Ref., in German

Fan is a source of noise in ventilation and air conditioning systems. The article provides information about noise emission from different types of fans and the ways to attenuate it, using different types of silencers, including passive and active silencers, or combination of both.