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If you're stuck with one engine, I think you need to address two issues -vibration transmission and noise absorption. Vibration isolation could reduce the transmission of vibration to the surroundings and an effective barrier could reduce the airborne noise. If this is a stationary application...

Damping is beneficial in a vibration isolator because it reduces the amplification at resonance. However, there is a trade-off, because damping also decreases the vibration isolation at higher frequencies. If you send me your e-mail address, I can send you a paper that addresses this in...

Carletes, Current building codes take into consideration the height within the building in which equipment and piping are supported. If you have a FAX number, I can FAX you a couple pages which have the equations. Regards, Frank Andrews SVS-Engineering FAndrews@SVS-Engineering.com Frank...

I think there are a couple reasons why you would not want to use a sine test as an alternate to random vibration: 1) Random vibration has amplitudes which vary with time. At each frequency, the amplitude varies based on a statistical distribution. If you were to determine a sine input at a...