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Dissertations / Theses on the topic 'Airborne sound insulation'

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1

Kernen, Ulrica. "Airborne sound insulation of floating floors." Licentiate thesis, KTH, Byggnader och installationer, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1036.

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2

Forsman, Jimmy. "Game engine based auralization of airborne sound insulation." Thesis, Umeå universitet, Institutionen för fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-149498.

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Describing planned acoustic design by single number ratings yields a weak link to the subjective event, especially when the single number ratings are interpreted by others than experienced acousticians. When developing infrastructure, tools for decision making needs to address visual and aural perception. Visual perception can be addressed using game engines and this has enabled the establishment of tools for visualizations of planned constructions in virtual reality. Audio engines accounting for sound propagation in the game engine environment are steadily developing and have recently been ma
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3

Kernen, Ulrica. "Airborne sound insulation of single and double plate constructions." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182.

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4

Whitfield, William. "Uncertainty associated with the measurement of airborne sound insulation in the field." Thesis, University of Liverpool, 2013. http://livrepository.liverpool.ac.uk/14517/.

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Understanding uncertainty is an important part of any scientific measurement process and the ability to evaluate and understand uncertainty is a requirement of the International Standards for quality control. The basic uncertainties relating to the measurement of airborne sound insulation in the field can be assessed using the methods in BS5725. However, identifying the components that contribute to the total variability is beyond the scope of the standard and more detailed information requires a more advanced approach. Recent developments in the “Guide to the expression of uncertainty in meas
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5

Bull, John Ivan. "Measurement of the airborne sound insulation of traffic noise barriers using impulse response techniques." Thesis, University of Canterbury. Mechanical Engineering, 2014. http://hdl.handle.net/10092/8962.

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This research thesis involves the measurement of the airborne sound insulation of road traffic noise barriers, with the goal of gaining a more in depth understanding of the factors that influence noise barrier performance. A measurement system is developed, based on EN 1793-6:2012, to quantify the airborne sound insulation of a noise barrier in situ. Validation testing is performed to ensure that the system meets the requirements of EN 1793-6:2012. MATLAB code is developed, incorporating all of the signal processing tasks into a single graphical user interface. The measurement system is then u
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6

Pinto, Rodrigo Barcelos. "DETERMINAÇÃO EXPERIMENTAL E NUMÉRICA DA REDUÇÃO SONORA AÉREA EM PAREDES DE ALVENARIA UTILIZADAS EM HABITAÇÕES." Universidade Federal de Santa Maria, 2011. http://repositorio.ufsm.br/handle/1/7765.

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In this research some kinds of masonry walls have been used as internal divisions in three Brazilian dwelling buildings to determine the airborne sound reduction, by experimental tests in field and computer simulations. The masonry walls studied are composed by massive bricks, bored ceramic blocks (6 and 4 holes) and structural (7 and 10 MPa), with mortar lining in both sides. The acoustic evaluations, in field, were accomplished according to the international rules ISO 140 part 4, ISO 717 part 1 and ISO 354. The determination of the airborne sound reduction among places it was accomplished fr
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7

Bosák, Filip. "Vliv surovin na vzduchovou neprůzvučnost cihlářského střepu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265711.

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Diploma thesis is concerned with opportunities of increase sound isolution index for bricks. In theoretical part is summary of present knowledge about acoustic properties ceramic body field and theoretical calculations and measuring sound insulation as well as. Practically part is divided on apply and basic research. Under apply research is experiment, that considers impact quantity of raw materials using at brick factory in the Holice on the most significant technological properties of plastic paste and brick body, additionaly with the considering chances of increase sound insulation index. I
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8

Peiró, Torres María del Pilar. "Research of the acoustic phenomenon produced by isolated scatterers and its applicability as a noise reducing device in transport infrastructures. Search for an optimised and sustainable design." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/164903.

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[ES] El control de ruido ambiental es una preocupación de primera magnitud para las sociedades avanzadas, debido a los problemas derivados que ocasionan en la salud de los ciudadanos. Una de las soluciones más extendidas para el control del ruido en su fase de transmisión en la utilización de pantallas acústicas. La aparición de nuevos materiales formados por redes de dispersores acústicos aislados, denominados cristales de sonido, está revolucionando el campo del apantallamiento acústico, posibilitando el avance tecnológico de esta área. Así, en los últimos años, las pantallas acústicas basa
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9

Wolf, Michal. "Mateřská škola." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227283.

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Master´s thesis deals with the processing of building part of the project documentation for building construction. The aim of the Master´s thesis is a new building of kindergarten in the village Dolany near Olomouc. The building is designed for 40 preschool children. The building is situated near the centre of the village and is easily accessible from surrounding living areas. The building is partly basement and has two floors. In the basement there are technical equipments and storages. In the floors there are classes for children and areas ensuring the service of kindergarten. This masonry b
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10

Vystrčil, Patrik. "Mateřská škola." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226606.

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The master’s thesis on the topic Kindergarten is processed in the form of project documentation for the implementation of the new building. The building is designed on a plot of 1840/1 in the cadastral Brno - Husovice. It is the kindergarten with a basement and two floors. The building is brick, partial basement and roofing flat roof with single shell. The building contains two classes for a total of 40 children. Food and washing bedding is provided by imports.
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11

Chen, Ping-Chung, and 陳炳全. "An airborne sound insulation and sound absorption analysis in situ measurements." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/50644816306294052938.

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碩士<br>國立臺灣海洋大學<br>系統工程暨造船學系<br>99<br>This thesis is to study the sound insulation and sound absorption of acoustic materials which is used to buildings and roadway engineering. In order to understanding the acoustic insulation materials property, the acoustic measurement experiments must be carried out in the standard laboratory . The measurement values are sound transmission loss and the sound absorption coefficients with a reverberation room method or the impedance tube method. Also, in this thesis quote the norm prCEN/TS 1793 Road Traffic Noise Reducing Devices-Test Method for determining t
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12

Watts, Gregory R., and P. Morgan. "Measurement of airborne sound insulation of timber noise barriers: Comparison of in-situ method CEN/TS 1793 with laboratory method EN1793-2." 2009. http://hdl.handle.net/10454/2983.

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No<br>Recent progress in the development of European standards has allowed the in situ testing of roadside noise barriers. CEN/TS 1793-5 describes a test method using maximum length sequences (MLS) for the characterisation of airborne sound insulation. However, many barriers are tested according to a laboratory standard, EN 1793-2, based on measurements carried out in reverberant chambers and in the case of timber barriers with a relatively low airborne sound insulation it is not clear to what extent the results of the two tests compare. The paper describes the results of tests carried out usi
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13

Bull, J., Gregory R. Watts, and J. Pearse. "The use of in-situ test method EN 1793-6 for measuring the airborne sound insulation of noise barriers." 2016. http://hdl.handle.net/10454/9506.

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Yes<br>The in situ measurement of the airborne sound insulation, as outlined in EN 1793-6:2012, is becoming a common means of quantifying the performance of road traffic noise reducing devices. Newly installed products can be tested to reveal any construction defects and periodic testing can help to identify long term weaknesses in a design. The method permits measurements to be conducted in the presence of background noise from traffic, through the use of impulse response measurement techniques, and is sensitive to sound leakage. Factors influencing the measured airborne sound insulation are
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14

Martins, Filipa Claudia Abrantes. "Contributo para análise da relação entre comportamento acústico e permeabilidade ao ar da envolvente de edifícios." Master's thesis, 2013. http://hdl.handle.net/10316/38500.

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Dissertação de Mestrado Integrado em Engenharia Civil apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>Ao longo dos anos a exigência em relação à envolvente dos edifícios tem vindo a aumentar, devido aos níveis de conforto mais elevados que a sociedade tem vindo a requerer. Devido à necessidade de proteção do ambiente interior do ruído exterior, de qualidade do ambiente interior e de redução de consumo de energia, enquadra-se a importância do estudo da relação entre comportamento acústico e permeabilidade ao ar da envolvente de edifícios. Na prossecução do objetiv
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15

Silva, Paulo Jorge Oliveira da. "Isolamento a sons aéreos de acordo com a norma NP EN ISO 16283-1 2014: procedimento geral vs procedimento de baixa frequência." Master's thesis, 2016. http://hdl.handle.net/1822/48033.

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Dissertação de mestrado em Construção e Reabilitação Sustentáveis<br>O isolamento sonoro à propagação de sons aéreos entre recintos tem vindo a ser um dos requisitos que cada vez mais suscita exigência por parte dos utilizadores dos compartimentos onde se requer silêncio. O isolamento a sons aéreos deve ser um parâmetro bem analisado por parte da equipa projetista, na conceção do edifício, de forma a que na fase final da construção, aquando das medições para verificação dos índices regulamentares, não haja surpresas quanto ao eventual incumprimento dos valores definidos pela legislação na
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16

Melo, Tiago Filipe Andias de. "Exigências e métodos de avaliação de desempenho de sistemas de isolamento térmico pelo exterior. Avaliação do comportamento térmico e acústico de soluções com revestimento cerâmico colado." Master's thesis, 2013. http://hdl.handle.net/10316/38490.

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Dissertação de Mestrado Integrado em Engenharia Civil apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>As preocupações crescentes da sociedade atual com a poupança energética, sustentabilidade e, simultaneamente a exigência de padrões de conforto cada vez mais elevados, torna imperativo o estudo de soluções construtivas que preencham estes requisitos. A constituição da envolvente dos edifícios poderá ter um grande impacto quer na poupança energética quer no conforto no seu interior. Sendo as paredes de fachada o elemento que ocupa tradicionalmente uma maior área d
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