A tube trend absorber should be able to take in pressure pulsation, stop duct vibrations and relieve sky noise efficiently
A tube trend absorber should be able to take in pressure pulsation, stop duct vibrations and relieve sky noise efficiently The newest magnitude regarding noise avoidance is comparable to the brand new voice assimilation coefficient of voice intake framework, fringe and you may urban area proportion of a funnel cross-section and you can size off …