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

Figure 8

Comparison of sound absorption properties of various stacked hybrid combinations. (a) S4 and S5 with S1 and S3, (b) S6 and S7 with S1 and S2, (c) S8 and S9 with S2 and S3, (d) S5 with S9, (e) S4 with S6, and (f) S7 with S8.

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