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Computational Study of a Natural Exhaust Ventilation System During the Heating Period

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International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2018 (EMMFT-2018 2018)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 982))

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Abstract

The article presents the data obtained according to the calculation results on the change of the floor exhaust air consumption at three combinations of the outdoor air temperature and the wind speed. These combinations of the temperature and wind correspond to the design ones of the Moscow climatic conditions calculated for designing natural ventilation, the coldest design conditions for heating and close to the average season ones for the heating period. A feature of the calculated studies is the presence of three isolated natural ventilation systems in each apartment located one above the other from the 2nd to the 19th floor. Each apartment is traditionally considered as one volume. The calculations confirmed that to achieve the specified exhaust air flow rates in each of the ventilation systems with floor branches (satellites) and one collecting channel (trunk), it is necessary to reduce the aerodynamic resistance of the trunk and increase the aerodynamic resistance of the satellites. In addition, it was found that the opening of the window rotary shutter for the inlet of the supply air from 3° (slit ventilation) to 30° does not lead to a significant increase in the supply air consumption under the same outdoor weather conditions. Much more important are the outside temperature and the wind rate.

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Author information

Authors and Affiliations

  1. Moscow State University of Civil Engineering, Yaroslavskoe shosse 26, 129337, Moscow, Russia

    Elena Malyavina & Kaminat Agakhanova

Authors
  1. Elena Malyavina
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  2. Kaminat Agakhanova
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Correspondence to Elena Malyavina .

Editor information

Editors and Affiliations

  1. Moscow State University of Civil Engineering, Moscow, Russia

    Vera Murgul

  2. Department of Information Engineering, Università degli Studi di Brescia, Brescia, Italy

    Marco Pasetti

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Malyavina, E., Agakhanova, K. (2020). Computational Study of a Natural Exhaust Ventilation System During the Heating Period. In: Murgul, V., Pasetti, M. (eds) International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2018. EMMFT-2018 2018. Advances in Intelligent Systems and Computing, vol 982. Springer, Cham. https://doi.org/10.1007/978-3-030-19756-8_12

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