Different Structures of PVA Nanofibrous Membrane for Sound Absorption Application

<table>Sound absorption coefficient <i>α</i> [—] as function of frequency [Hz] for thin PVA nanofiber membrane (black line—<i>α</i>max = 0,58) and for thin polymer foil (grey line <i>α</i>max = 0,83).</table>

Journal of Nanomaterials

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Figure 4

Figure 4: Different Structures of PVA Nanofibrous Membrane for Sound Absorption Application 