Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) на платформе Web of Science


  • HEAT SUPPLY, VENTILATION, AIR CONDITIONING, LIGHTING
  • Numerical Simulation Of The General Exchange Ventilation System Of A Welding Shop
  • UDC 622.4
    doi: 10.33622/0869-7019.2026.03.77-83
    Jin HEWEI1,2, jinhewei@yandex.ru
    Nikolay S. PONOMAREV1, pnmrv17@mail.ru
    Alexander M. GRIMITLIN1
    Liu HAIYAN2
    1 Saint Petersburg State University of Architecture and Civil Engineering, 2-ya Krasnoarmeyskaya ul., 4, St. Petersburg 190005, Russian Federation
    2 Henan University of Urban Construction, Longxiang Street, New City District, Pingdingshan City, Henan Province, China
    Abstract. The paper examines the optimization of ventilation of large welding workshops for effective control of welding aerosol. The inhaled particles formed during welding remain suspended for a long time, posing a serious threat to the health of workers. Traditional general exchange ventilation systems in such conditions are characterized by high energy consumption, low efficiency and inability to cover distributed welding stations, while they are insufficient to achieve regulatory targets and additional local dust collection devices or other auxiliary technical measures are required. Based on numerical simulation using the CFD method, three schemes for the organization of air exchange have been developed and compared (the scheme "supply from above-exhaust from below"; with a fixed flow direction; with a time-varying flow direction) in terms of smoke dispersion, the structure of air flows and the distribution of concentrations of pollutants. The results can serve as a basis for designing and optimizing ventilation systems in large welding workshops.
    Keywords: welding spray, large welding workshops, ventilation, dust extraction, CFD modeling, air distribution devices
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  • For citation: Jin Hewei, Ponomarev N. S., Grimitlin A. M., Liu Haiyan. Numerical Simulation of the General Exchange Ventilation System of a Welding Shop. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2026, no. 3, pp. 77-83. (In Russ.). doi: 10.33622/0869-7019.2026.03.77-83

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