Calculations of Sound Insulation of Single, Double and Triple Translucent Structures

Number of journal: 11-2022
Autors:

Ovsyannikov S.N.,
Samokhvalov A.S.,
Lelyuga O.V.,
Bolshanina T.S.

DOI: https://doi.org/10.31659/0044-4472-2022-11-29-35
УДК: 699.844.1

 

AbstractAbout AuthorsReferences
The creation of computational models of sound transmission through multilayer glazing and the development on their basis of methods for calculating and designing noise-proof windows in order to ensure comfortable acoustic conditions in civil buildings located in noisy areas is important. An analysis of the known analytical solutions to the problem of determining the sound insulation of one-, two- and three-layer glazing is given, the reasons for the discrepancy between the calculated and experimental results are identified. Methods of the wave theory of sound transmission through single-layer and multilayer enclosing structures with air gaps are used. An engineering method for calculating the sound insulation of multilayer glazing is proposed, based on the calculation of the inertial and resonant components of the transmission coefficient, taking into account internal losses in the field of resonant frequencies “mass-elasticity-mass”, the ratio of modal vibration densities in the room and the first glazing plate, as well as more realistic dependencies of the transmission coefficients on frequency. The results of calculations according to the proposed methodology are presented in comparison with the results of measurements of the sound insulation of various glazing in the reverberation chambers of the TGASU. The proposed engineering technique makes it possible to obtain fairly simple analytical dependences of the sound insulation of one-, two- and three-layer glazing, available for engineering practice, as well as to identify the inertial and resonant components of sound transmission to simulate sound transmission through more complex multilayer translucent structures using the method of statistical energy analysis.
S.N. OVSYANNIKOV1,2, Doctor of Sciences Engineering (This email address is being protected from spambots. You need JavaScript enabled to view it.);
A.S. SAMOKHVALOV1,2, Engineer, (This email address is being protected from spambots. You need JavaScript enabled to view it.);
O.V. LELYUGA1,2, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
T.S. BOLSHANINA1,2, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Tomsk State University of Architecture and Building (2, Solyanaya Square, Tomsk, 634003, Russian Federation)
2 Scientific-Research Institute of Building Physics of RAACS (21, Lokomotivniy Driveway, Moscow, 127238, Russian Federation)

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For citation: Ovsyannikov S.N., Samokhvalov A.S., Lelyuga O.V., Bolshanina T.S. Calculations of sound insulation of one-, two- and three-layer translucent structures. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2022. No. 11, pp. 29–35. (In Russian). DOI: https://doi.org/10.31659/0044-4472-2022-11-29-35


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