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IJFTR Vol.35(4) [December 2010] >

Title: Modeling on sound transmission loss of jute needle-punched nonwoven fabrics using central composite rotatable experimental design
Authors: Sengupta, Surajit
Keywords: Central composite rotatable experimental design
Needle-punched nonwoven
Sound transmission loss
Issue Date: Dec-2010
Publisher: NISCAIR-CSIR, India
Abstract: Statistical models, using central composite rotatable experimental design, have been developed to predict sound transmission loss of jute needle-punched nonwoven fabric based on the three important parameters, namely needling density, depth of needle penetration and mass per unit area. From this model and its contour diagrams, the simultaneous effects of these parameters can be understood and prediction of sound transmission loss can be made knowing the values of independent parameters. The correlation coefficient between observed and predicted values is 0.94. The maximum sound loss is achieved for 14-15 mm depth of needle penetration, whereas the minimum sound loss is observed for area density 650 g/m2 and punch density 180 punches/cm2.
Page(s): 293-297
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Source:IJFTR Vol.35(4) [December 2010]

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