I want to developed an aeroacoustics lab at the second floor of the building but the blower and the 20 HP motor is causing too much noise which dominate over the airfoil noise so we like to arrest this vibration. Is any body tell me how to arrest the vibration. Is spring based damping system is helpful in such case?
Kindly suggest some way to arrest the vibration produce by the Motor and blower which are connected using pulley arrangement and sound generated in the duct.
As with all machinery noise problems, you need to establish whether the noise contribution is due to airborne or structure-borne transmission. Each transmission path then needs to be controlled independently. When using elastic decoupling of the motor to reduce structure-borne noise transmission, you need to be aware of the dynamic motion of the motor, given that you no longer constrain it properly.
Hocine Bendjama : Kindly suggest what kind of damping is required?
Sven Rechenberger : Kindly give some way to solve the problem....
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