Zobrazeno 1 - 10
of 916
pro vyhledávání: '"Reverberation room"'
Publikováno v:
Acoustics, Vol 5, Iss 1, Pp 177-192 (2023)
The agricultural activity of pruning olive trees generates waste which, due to long-standing practices and unawareness of the consequences, are burned on site, thereby producing CO2 emissions in the atmosphere. Therefore, in order to prevent environm
Externí odkaz:
https://doaj.org/article/64395855f2514b33a282159ee284e07e
Akademický článek
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Akademický článek
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Autor:
Nurul Izzati Raihan Ramzi Hannan, Shahiron Shahidan, Noorwirdawati Ali, Norazura Muhamad Bunnori, Sharifah Salwa Mohd Zuki, Mohd Haziman Wan Ibrahim
Publikováno v:
Case Studies in Construction Materials, Vol 13, Iss , Pp e00399- (2020)
The huge production of Coal Ash has contributed to environmental issues such as contaminated ground and surface water due to limited dumping space. Coal bottom ash (CBA) is still treated as waste and often placed into impoundment ponds, silos or land
Externí odkaz:
https://doaj.org/article/2773771974024054824d273f08d5f53f
Autor:
Artur Nowoświat, Marcelina Olechowska
Publikováno v:
Buildings, Vol 12, Iss 3, p 347 (2022)
It is well known that the uncertainty of input data has a great influence on the accuracy of room acoustics simulations. The aforementioned accuracy is significantly influenced by the selection of the acoustic properties of room-delimiting materials.
Externí odkaz:
https://doaj.org/article/953e5eaa41604eb29106d9dccf16030b
Publikováno v:
Sensors, Vol 21, Iss 19, p 6663 (2021)
This paper contains a detailed description of the design and validation of a measurement stand for testing the airborne sound insulation of specimens made at a small scale. The stand is comprised of two coupled reverberation rooms in which the geomet
Externí odkaz:
https://doaj.org/article/6535ad034e7947e69c46f9eaed005751
Publikováno v:
The Journal of the Acoustical Society of America. 150:2921-2935
The accuracy of computational models for acoustics is often limited by a lack of reliable information concerning the frequency-dependent impedance of surface materials. This lack of information stems from the unavailability of reliable measurement me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0732491d06374aaf6c22d3d9496ef640
https://doi.org/10.1121/10.0006742
https://doi.org/10.1121/10.0006742
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 263:2372-2383
The measurement of sound absorption in reverberation rooms following the ISO 354:2003 standard relies on Sabine's equation to derive absorption coefficients from reverberation times. This equation assumes perfect diffusivity, i.e. the sound field is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fe944e6ac39822157659709f01afd90
https://doi.org/10.3397/in-2021-2120
https://doi.org/10.3397/in-2021-2120
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 263:5571-5577
The absorption coefficients in a reverberation room are most representative measure for evaluating absorption performance of architectural materials. However, it is well known that measurement results of the coefficient vary according to a room shape
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05dc0f9baf0931fe96554802f3954bb6
https://doi.org/10.3397/in-2021-3158
https://doi.org/10.3397/in-2021-3158