Written by means of a famous authority within the topic quarter, this e-book is a finished learn of the idea and sensible software of noise aid to varied fields. it can be used as a reference via scientists and engineers or in a senior-undergraduate or graduate-level path. the 1st six chapters care for the fundamental mechanisms of sound absorption during which acoustic strength is switched over into warmth in viscous and thermal barriers in a valid box. the second one half covers duct attenuators with a dialogue of ways their functionality is defined and measured. the most a part of every one bankruptcy is deliberate to be descriptive, and comprises numerical effects that are supposed to be of direct curiosity for layout paintings. Mathematical research is positioned on the finish of the chapters.

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