Sound energy distributions and flows within single-space rooms can be exploited to understand the occurrence of multi-slope decays. In this work, a real-size monumental worship space is selected for investigations of non-exponential sound energy decays. Previous field tests in this single-space venue indicate multi-slope formation within such a large volume and the multiple-dome upper structure layout. In order to illuminate/reveal the probable reasons of non-exponential sound energy decays within such an architectural venue, sound energy distributions and energy flows are investigated. Due to its computational efficiency and advantages in spatial energy density and flow vector analysis, a diffusion equation model (DEM) is applied for modeling sound field of the monumental worship space. Preliminary studies indicate good agreement for overall energy decay time estimations among experimental field and DEM results. The energy flow vector and energy distribution analysis indicate the upper central dome-structure to be the potential energy accumulation/ concentration zone, contributing to the later energy decays.
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October 2014
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October 01 2014
Investigations on acoustical coupling within single-space monumental structures using a diffusion equation model Free
Zühre Sü Gül;
Zühre Sü Gül
R&D / Architecture, MEZZO Studyo / METU, METU Technopolis KOSGEB-TEKMER No112, ODTU Cankaya, Ankara 06800, Turkey, [email protected]
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Ning Xiang;
Ning Xiang
Graduate Program in Architectural Acoust., School of Architecture, Rensselaer Polytechnic Inst., Troy, NY
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Mehmet Çalışkan
Mehmet Çalışkan
Dept. of Mech. Eng., Middle East Tech. Univ. / MEZZO Studyo, Ankara, Turkey
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Zühre Sü Gül
Ning Xiang
Mehmet Çalışkan
R&D / Architecture, MEZZO Studyo / METU, METU Technopolis KOSGEB-TEKMER No112, ODTU Cankaya, Ankara 06800, Turkey, [email protected]
J. Acoust. Soc. Am. 136, 2219 (2014)
Citation
Zühre Sü Gül, Ning Xiang, Mehmet Çalışkan; Investigations on acoustical coupling within single-space monumental structures using a diffusion equation model. J. Acoust. Soc. Am. 1 October 2014; 136 (4_Supplement): 2219. https://doi.org/10.1121/1.4900057
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