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Development of silencers for suppressing noise emitted from heat-recovery boilers taking into account the attenuation of sound energy in their heating surfaces

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Abstract

A formula is proposed using which attenuation of the level of acoustic power in a heat-recovery boiler can be calculated as a function of the area of its heat-transfer heating surfaces. The silencers developed by specialists of the Moscow Power Engineering Institute for additional suppression of noise emitted from combined-cycle and gas turbine units equipped with heat-recovery boilers are considered.

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References

  1. SN (Sanitary Code) 2.2.4/2.1.8.562-96: Noise at Workplaces, in the Premises of Residential and Public Buildings, and in the Territory of Apartment Blocks (Minzdrav Rossii, Moscow, 1997) [in Russian].

  2. S. A. Semin, Development of Methods for Suppressing Noise Emitted from the Exhaust Paths of GTUs Equipped with Heat-Recovery Boilers, Candidate’s Dissertation in Technical Sciences (MEI, Moscow, 2008).

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  3. S. A. Semin and V. B. Tupov, “Noise Reduction in Exhaust-Heat Boilers,” in Proceedings of the Sixteen International Congress on Sound and Vibration, Krakow, Poland, July 5–9, 2009, paper No. 222.

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  5. GOST (State Standard) 31328-2006 (ISO 14163:1998): Noise. A Manual for Reducing Noise Using Noise Silencers. Intergovernmental Standard (Standartinform, Moscow, 2007) [in Russian].

  6. V. B. Tupov, D. V. Chugunkov, and S. A. Semin, “Reduction of Noise Emitted from Exhaust Paths of Gas Turbine Units Equipped with Heat Recovery Boilers,” Teploenergetika, No. 1, 24–27 (2009) [Therm. Eng., No. 1 (2009)].

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Authors and Affiliations

  1. Moscow Power Engineering Institute, ul. Krasnokazarmennaya 14, Moscow, 111250, Russia

    S. A. Semin & V. B. Tupov

Authors
  1. S. A. Semin
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  2. V. B. Tupov
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Original Russian Text © S.A. Semin, V.B. Tupov, 2011, published in Teploenergetika.

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Semin, S.A., Tupov, V.B. Development of silencers for suppressing noise emitted from heat-recovery boilers taking into account the attenuation of sound energy in their heating surfaces. Therm. Eng. 58, 660–664 (2011). https://doi.org/10.1134/S0040601511080118

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  • DOI: https://doi.org/10.1134/S0040601511080118

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