THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS
Plates known as sound absorbing materials: textiles recovered fabrics plus polyethylene are made layered composite material intended to be used to encapsulate industrial engines, as sources of noise in the production departments. Influence of thickness sound-absorbing material can be supported by t...
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| Format: | Article |
| Language: | English |
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Alma Mater Publishing House "Vasile Alecsandri" University of Bacau
2015-12-01
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| Series: | Journal of Engineering Studies and Research |
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| Online Access: | https://jesr.ub.ro/index.php/1/article/view/130 |
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| author | IULIANA IAȘNICU (STAMATE) OVIDIU VASILE RADU IATAN |
| author_facet | IULIANA IAȘNICU (STAMATE) OVIDIU VASILE RADU IATAN |
| author_sort | IULIANA IAȘNICU (STAMATE) |
| collection | DOAJ |
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Plates known as sound absorbing materials: textiles recovered fabrics plus polyethylene are made layered composite material intended to be used to encapsulate industrial engines, as sources of noise in the production departments. Influence of thickness sound-absorbing material can be supported by the values obtained for the absorption coefficient, but it can be studied as a study case in the anechoic chamber, where the sound pressure level is measured with a sound level meter. Cases captured: a free engine; the engine placed in a metallic cube and motor inserted; metal cube that was doubled separately with one material and then with the composite material proposed. For each situation are eight determinations on the perimeter of a circle with a radius of one meter from the source of the noise. Plot a graph of experimental results that support the idea: greater thickness of the layer of material will cause a better absorption of noise.
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| format | Article |
| id | doaj-art-57a35eb7e3b5458c943e39661ddb39a4 |
| institution | Kabale University |
| issn | 2068-7559 2344-4932 |
| language | English |
| publishDate | 2015-12-01 |
| publisher | Alma Mater Publishing House "Vasile Alecsandri" University of Bacau |
| record_format | Article |
| series | Journal of Engineering Studies and Research |
| spelling | doaj-art-57a35eb7e3b5458c943e39661ddb39a42025-02-09T11:38:25ZengAlma Mater Publishing House "Vasile Alecsandri" University of BacauJournal of Engineering Studies and Research2068-75592344-49322015-12-01214THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALSIULIANA IAȘNICU (STAMATE)0OVIDIU VASILE1RADU IATAN2Gheorghe Asachi Technical College, Bucharest, 24 Aleea Pravat, sector 6, 061 569 Bucharest, Romania Department of Mechanics, University Politehnica of Bucharest, 313 Splaiul Independentei, sector 6, 060042 Bucharest, RomaniaDepartment of Process Equipment, University Politehnica of Bucharest, 313 Splaiul Independentei, sector 6, 060042 Bucharest, Romania Plates known as sound absorbing materials: textiles recovered fabrics plus polyethylene are made layered composite material intended to be used to encapsulate industrial engines, as sources of noise in the production departments. Influence of thickness sound-absorbing material can be supported by the values obtained for the absorption coefficient, but it can be studied as a study case in the anechoic chamber, where the sound pressure level is measured with a sound level meter. Cases captured: a free engine; the engine placed in a metallic cube and motor inserted; metal cube that was doubled separately with one material and then with the composite material proposed. For each situation are eight determinations on the perimeter of a circle with a radius of one meter from the source of the noise. Plot a graph of experimental results that support the idea: greater thickness of the layer of material will cause a better absorption of noise. https://jesr.ub.ro/index.php/1/article/view/130thicknesspolyethyleneabsorptionplatestratified composite materials |
| spellingShingle | IULIANA IAȘNICU (STAMATE) OVIDIU VASILE RADU IATAN THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS Journal of Engineering Studies and Research thickness polyethylene absorption plate stratified composite materials |
| title | THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS |
| title_full | THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS |
| title_fullStr | THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS |
| title_full_unstemmed | THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS |
| title_short | THICKNESS INFLUENCE ON ABSORBING PROPERTIES OF STRATIFIED COMPOSITE MATERIALS |
| title_sort | thickness influence on absorbing properties of stratified composite materials |
| topic | thickness polyethylene absorption plate stratified composite materials |
| url | https://jesr.ub.ro/index.php/1/article/view/130 |
| work_keys_str_mv | AT iulianaiasnicustamate thicknessinfluenceonabsorbingpropertiesofstratifiedcompositematerials AT ovidiuvasile thicknessinfluenceonabsorbingpropertiesofstratifiedcompositematerials AT raduiatan thicknessinfluenceonabsorbingpropertiesofstratifiedcompositematerials |