NASA NTRS · 19740020274
Calculation method for active silencers with a variable section
Abstract
By introducing variable section silencers in divergent and convergent sections or elbows of ventilation plants, the length of classical silencers can be reduced. Presented is an original calculation method for active noise silencers with a continuously variable section, as well as calculation relations worked out by this method for eight common practical cases.
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Marinescu, V.. 1974-06-01. Calculation method for active silencers with a variable section. https://ntrs.nasa.gov/citations/19740020274
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