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IJSDR
INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH
International Peer Reviewed & Refereed Journals, Open Access Journal
ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016
open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15

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Volume 9 | Issue 3

Impact factor: 8.15

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Paper Title: AN INVESTIGATION OF SOUND ABSORBING MATERIALS IN MODIFIED IMPEDANCE TUBE
Authors Name: Prof. Niresh J , Prof. Neelakrishnan S , Prof. Subha Rani S , Shylendran R
Unique Id: IJSDR1605049
Published In: Volume 1 Issue 5, May-2016
Abstract: Noise control materials are used in passive noise control and are sensitive to different noise sources. The noise reduction characteristics of a material are studied using impedance tube. In this paper we studied the accuracy of the modified impedance tube. The sound absorption coefficient were calculated using two materials namely cotton felt and Polyurethane Foam in two different impedance tubes, existing impedance tube and an modified impedance tube for a frequency range of 80Hz to 1600Hz. Sound absorption coefficient of both the materials were measured. The difference in valus of the existing tube and modified tube were studied and error in the reading of the modified impedance tube has been calculated.
Keywords: Impedance Tube, Sound Absorption Co-efficient, sound absorbing materials.
Cite Article: "AN INVESTIGATION OF SOUND ABSORBING MATERIALS IN MODIFIED IMPEDANCE TUBE", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.1, Issue 5, page no.249 - 253, May-2016, Available :http://www.ijsdr.org/papers/IJSDR1605049.pdf
Downloads: 000336256
Publication Details: Published Paper ID: IJSDR1605049
Registration ID:160326
Published In: Volume 1 Issue 5, May-2016
DOI (Digital Object Identifier):
Page No: 249 - 253
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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