Mvubu, MPatnaik, AAnandjiwala, RD2016-02-232016-02-232015-12Mvubu, M, Patnaik, A and Anandjiwala, R.D. 2015. Process parameters optimization of needle-punched nonwovens for sound absorption application. Journal of Engineered Fibers and Fabrics, vol. 10(4), pp 47-541558-9250http://www.jeffjournal.org/papers/Volume10/V10I4(5)%20R.%20Anandjiwala.pdfhttp://hdl.handle.net/10204/8388Copyright: 2016 INDA, Association of the Nonwovens Fabrics Industry. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, please consult the publisher's website. The definitive version of the work is published in Journal of Engineered Fibers and Fabrics, vol. 10(4), pp 47-54This paper reports a study on the optimization of process parameters of needle-punched nonwoven fabrics for achieving maximum sound absorption by employing a Box-Behnken factorial design. The influence of fiber type, depth of needle penetration, and stroke frequency on sound absorption properties were studied. These parameters were varied at three levels during experimental trials. From multiple regression analysis, it was observed that the depth of needle penetration alone was the most dominant factor among the selected parameters, which was followed by the interaction between depth of needle penetration and stroke frequency. Fiber type was the least dominant parameter affecting sound absorption. A maximum sound absorption coefficient of 0.47 was obtained from the selected parameters. The results showed that for a process such as needle-punching, which is influenced by multiple variables, it is worthwhile to study the interactive effects of process parameters for achieving optimum sound absorption.enNeedle-punchingSound absorptionNonwovensSound absorption propertiesArticleMvubu, M., Patnaik, A., & Anandjiwala, R. (2015). Process parameters optimization of needle-punched nonwovens for sound absorption application. http://hdl.handle.net/10204/8388Mvubu, M, A Patnaik, and RD Anandjiwala "Process parameters optimization of needle-punched nonwovens for sound absorption application." (2015) http://hdl.handle.net/10204/8388Mvubu M, Patnaik A, Anandjiwala R. Process parameters optimization of needle-punched nonwovens for sound absorption application. 2015; http://hdl.handle.net/10204/8388.TY - Article AU - Mvubu, M AU - Patnaik, A AU - Anandjiwala, RD AB - This paper reports a study on the optimization of process parameters of needle-punched nonwoven fabrics for achieving maximum sound absorption by employing a Box-Behnken factorial design. The influence of fiber type, depth of needle penetration, and stroke frequency on sound absorption properties were studied. These parameters were varied at three levels during experimental trials. From multiple regression analysis, it was observed that the depth of needle penetration alone was the most dominant factor among the selected parameters, which was followed by the interaction between depth of needle penetration and stroke frequency. Fiber type was the least dominant parameter affecting sound absorption. A maximum sound absorption coefficient of 0.47 was obtained from the selected parameters. The results showed that for a process such as needle-punching, which is influenced by multiple variables, it is worthwhile to study the interactive effects of process parameters for achieving optimum sound absorption. DA - 2015-12 DB - ResearchSpace DP - CSIR KW - Needle-punching KW - Sound absorption KW - Nonwovens KW - Sound absorption properties LK - https://researchspace.csir.co.za PY - 2015 SM - 1558-9250 T1 - Process parameters optimization of needle-punched nonwovens for sound absorption application TI - Process parameters optimization of needle-punched nonwovens for sound absorption application UR - http://hdl.handle.net/10204/8388 ER -