Active noise control on a high pressure fan
Keywords:Algorithms, Cost effectiveness, Fans, High pressure turbomachinery, Turbomachine blades, Active noise control (ANC), High pressure fans
AbstractHigh pressure fans offer very interesting aerodynamic specifications for several domestic applications. However, these fans generate a great pure tone caused by the rotation of the blades. Active noise control, a noise reduction alternative when the pressure drops are an important factor in the conception, was considered but found to be rather expensive. In this context, a compact and less expensive active noise control system for high pressure fans for domestic use was developed. The description of the fan along with the control system is presented.
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