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Modeling Sound Propagation in Uncons...

Bowman, Emily,

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Modeling Sound Propagation in Unconsolidated Wet Porous Material /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Modeling Sound Propagation in Unconsolidated Wet Porous Material // Emily Bowman.
作者:	Bowman, Emily,
面頁冊數:	1 electronic resource (82 pages)
附註:	Source: Masters Abstracts International, Volume: 85-02.
Contained By:	Masters Abstracts International85-02.
標題:	Acoustics. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30574125
ISBN:	9798380092012

Modeling Sound Propagation in Unconsolidated Wet Porous Material /
Bowman, Emily,

Modeling Sound Propagation in Unconsolidated Wet Porous Material /Emily Bowman. - 1 electronic resource (82 pages)

Source: Masters Abstracts International, Volume: 85-02.

Atmospheric sound propagation is affected by factors depending on meteorological conditions and the topography of the ground. The dynamic interaction between surface topology and meteorological events yields a surface with variable acoustical properties. The greatest contributor to acoustic attenuation is the nature of the surface over which sound propagates. Water saturation inevitably affects the properties of the earth's surface. Common ground conditions like soil can be described as a collection of granular particles with void space between the grains. Energy from an acoustic wave dissipates through viscous and thermal losses as it interacts with the soil and the interstitial space between the particles. This dissipative behavior is a defining characteristic of porous materials. The goal of the presented research is to understand the change in acoustic properties of soil at different moisture contents.

English

ISBN: 9798380092012Subjects--Topical Terms:

879105
Acoustics.
Subjects--Index Terms:

Atmospheric sound propagation

Modeling Sound Propagation in Unconsolidated Wet Porous Material /
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500 $a Source: Masters Abstracts International, Volume: 85-02.
500 $a Advisors: Turo, Diego Committee members: Vignola, Joseph.
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520 $a Atmospheric sound propagation is affected by factors depending on meteorological conditions and the topography of the ground. The dynamic interaction between surface topology and meteorological events yields a surface with variable acoustical properties. The greatest contributor to acoustic attenuation is the nature of the surface over which sound propagates. Water saturation inevitably affects the properties of the earth's surface. Common ground conditions like soil can be described as a collection of granular particles with void space between the grains. Energy from an acoustic wave dissipates through viscous and thermal losses as it interacts with the soil and the interstitial space between the particles. This dissipative behavior is a defining characteristic of porous materials. The goal of the presented research is to understand the change in acoustic properties of soil at different moisture contents.
546 $a English
590 $a School code: 0043
650 4 $a Acoustics. $3 879105
650 4 $a Mechanical engineering. $3 649730
650 4 $a Atmospheric sciences. $3 3168354
653 $a Atmospheric sound propagation
653 $a Porous media
653 $a Saturation
653 $a Unconsolidated materials
690 $a 0986
690 $a 0548
690 $a 0725
710 2 $a The Catholic University of America. $b Mechanical Engineering. $e degree granting institution. $3 3824724
720 1 $a Turo, Diego $e degree supervisor.
773 0 $t Masters Abstracts International $g 85-02.
790 $a 0043
791 $a M.S.
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856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30574125