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Title:Behavior of low-frequency sound waves in porous media
Author(s):Rossi, Tyler J.
Advisor(s):Swenson, George W.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):Low-Frequency
sound waves
impedance tube
gravel
glass spheres
tortuosity
porosity
flow resistivity
attenuation coefficient
phase constant
Abstract:This is a study of the relationship between the measured acoustic parameters and the measured physical parameters of porous media. Materials studied include crushed limestone, stream-formed pea gravel, large and small sifted pea gravels, and glass spheres. A standing wave curve fitting algorithm was applied to data taken from a vertical impedance tube to determine the propagation and reflection parameters of the materials. Physical characteristics considered include porosity, tortuosity, and flow resistivity.
Issue Date:2010-08-20
URI:http://hdl.handle.net/2142/16873
Rights Information:Copyright 2010 Tyler J. Rossi
Date Available in IDEALS:2010-08-20
Date Deposited:2010-08


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