1 Ocak 2021 Dergi makalesi Açık Erişim

Bicer, Ahmet; Korozlu, Nurettin; Kaya, Olgun A.; Cicek, Ahmet

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        "affiliation": "Burdur Mehmet Akif Ersoy Univ, Golhisar Hlth Serv Vocat High Sch, Opticiamy Programme, TR-15400 Burdur, Turkey", 
        "name": "Bicer, Ahmet"
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      {
        "affiliation": "Burdur Mehmet Akif Ersoy Univ, Fac Arts & Sci, Dept Nanosci & Nanotechnol, TR-15030 Burdur, Turkey", 
        "name": "Korozlu, Nurettin"
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      {
        "affiliation": "Inonu Univ, Fac Educ, Dept Comp Educ & Educ Technol, TR-44280 Malatya, Turkey", 
        "name": "Kaya, Olgun A."
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      {
        "affiliation": "Burdur Mehmet Akif Ersoy Univ, Fac Arts & Sci, Dept Nanosci & Nanotechnol, TR-15030 Burdur, Turkey", 
        "name": "Cicek, Ahmet"
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    "description": "Broad omnidirectional band gaps in a three-dimensional phononic crystal consisting of a face-centered cubic array of spherical air voids connected by cylindrical conduits in solid background are numerically and experimentally demonstrated. With a low material filling fraction of 37.7%, the first bandgap covers 3.1-13.6 kHz frequency range with 126.1% gap-over-midgap ratio. Finite-element method is employed in band structure and numerical transmission analyses. Omnidirectional band gaps are observed in only two-period thick slabs in the 100, 110, and 111 orientations. Experimental transmission characteristics are in good agreement with numerical data. The phononic crystal can be employed in low-frequency sound proofing.&amp; nbsp;(C) 2021 Acoustical Society of America<p></p>", 
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      "issue": "3", 
      "pages": "1591-1596", 
      "title": "JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA", 
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    "publication_date": "2021-01-01", 
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    "title": "Broad omnidirectional acoustic band gaps in a three-dimensional phononic crystal composed of face-centered cubic Helmholtz resonator network"
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