Calculations of Noise in air Ducts when Evaluating the Noise Effects of Industrial Enterprises on Urban Development

Number of journal: 7-2020

Gusev V.P.,
Ledenev V.I.,
Antonov А.I.,
Matveeva I.V.

УДК: 629.042.5


AbstractAbout AuthorsReferences
Industrial enterprises for various purposes, including energy facilities, located in urban development, create a noise regime with increased levels on its territory. Often, increased noise effects occur when sound energy is emitted from the mouths of gas-air systems of enterprises. The amount of sound power emitted by air ducts depends on the decline in its levels inside them and in the areas from the noise source to the radiation site. Therefore, the determination of sound power level drops in the air duct is an important task when assessing the impact of noise on urban development. The article considers possible ways to estimate the sound power level drops inside air ducts. It is shown that a combined method implementing a mirror-diffuse model of sound reflection from the walls of the air duct should be used to calculate the level drops in metal air ducts. It is also established that the method for calculating the decline in levels proposed in the GOST R EN 12354-5–2012 for noise estimation on separate straight sections of air ducts, responds well to change in parameters of the ducts and can be used when designing the air duct from the standpoint of environmental protection from the noise levels of various companies, including enterprises providing the life activity of the city.
V.P. GUSEV1, Doctor of Sciences (Engineering);
V.I. LEDENEV2, Doctor of Sciences (Engineering),
A.I. ANTONOV2, Doctor of Sciences (Engineering),
I.V. MATVEEVA2, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Research Institute of Building Physics of the Russian Academy of Architecture and Construction Sciences (21, Lokomotivniy Driveway, Moscow, 127238, Russian Federation)
2 Tambov State Technical University (106, Sovetskaya Street, Tambov, 392000, Russian Federation)

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For citation: Gusev V.P., Ledenev V.I., Antonov А.I., Matveeva I.V. Calculations of noise in air ducts when evaluating the noise effects of industrial enterprises on urban development. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2020. No. 7, pp. 3–7. (In Russian). DOI:

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