Experimental Study on the Sound Absorption Properties of Finger Millet Straw, Darbha, and Ripe Bulrush Fibers

<div>Fiber placement concerning the sound source. (a) Individual fibers: F or D or R. (b) F facing sound source and R behind F. (c) R facing sound source and F behind R. (d) R and F forming homogenous hybrid fiber combinations.</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: Experimental Study on the Sound Absorption Properties of Finger Millet Straw, Darbha, and Ripe Bulrush Fibers 