Question
Calculate the reduction in the sound pressure level at 1000 Hz due to an enclosure made from a material with a transmission loss of 20
Calculate the reduction in the sound pressure level at 1000 Hz due to an enclosure made from a material with a transmission loss of 20 dB at 1000 Hz, and in which half the available area is lined with an absorbent with an absorption coefficient of 0.8 at 1000 Hz.
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Introduction To Chemical Engineering Computing
Authors: Bruce A. Finlayson
2nd Edition
1118888316, 978-1118888315
