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Thermal management of metro lines, including double-track and single-track tunnels

The article deals with topical issues of the safety of operation of Russian metro lines with double-track tunnels, taking into account the possibility of creating regulatory sanitary and hygienic indicators of the air environment at stations and tunnels. To ensure these parameters, it is proposed to use ventilation schemes adapted to the climatic conditions characterizing the areas where double-track tunnels are located. The issues of managing the thermal humidity parameters of the air environment on metro lines, including double-track and single-track tunnels, and the subsequent development of measures for their management were also touched upon. The analysis of the peculiarities of the formation of the thermal regime in the doubletrack tunnels of the metro is carried out. A technique is proposed that allows for thermal calculations of double-track tunnels taking into account the complex law of changes in outdoor air temperatures. Simulation modeling of the temperature regime of double-track tunnels and their analysis was carried out. The calculations of temperatures in the double-track tunnels of the Moscow metro were carried out with traditional ventilation schemes involving air supply through distillation shafts, and ventilation schemes including a ventilation duct and artificial air recirculation. The values of outdoor air temperatures have been established, at which it is advisable to use a specially organized recirculation of tunnel air between the central part of the tunnel and the entrance of outdoor air into the filing ceiling.

Keywords: double-track tunnels, thermal regime, single-track tunnels, subway, construction, tunnel operation, tunnel ventilation, tunnel ventilation schemes.
For citation:

Gendler S. G., Kryukova M. S. Thermal management of metro lines, including double-trackandsingle-tracktunnels.MIAB.MiningInf.Anal.Bull.2023;(9-1):248-269.[InRuss]. DOI: 10.25018/0236_1493_2023_91_0_248.

Acknowledgements:
Issue number: 9
Year: 2023
Page number: 248-269
ISBN: 0236-1493
UDK: 624
DOI: 10.25018/0236_1493_2023_91_0_248
Article receipt date: 03.05.2023
Date of review receipt: 24.07.2023
Date of the editorial board′s decision on the article′s publishing: 10.08.2023
About authors:

S.G. Gendler1, Dr. Sci. (Eng.), Professor, Head of Chair, e-mail: sgendler@mail.ru, ORCID ID: 0000-0002-7721-7246,
M.S. Kryukova1, Graduate Student, Researcher,
1 Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

 

For contacts:

M.S. Kryukova, e-mail: s215068@stud.spmi.ru.

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