Computer Modeling and Calculation of the Ventilation Systems for Workplaces and Premises of Electric Welding Production


Annotation:

The most important means of protecting the labor of electric welders is local exhaust ventilation, if required supplemented by general exchange ventilation of electric welding rooms, which contributes to maintaining the normalized state of the air environment.  In real conditions, the dust-gas environment of the welding station is influenced by a combination of factors such as the location of welders breathing zone, the relative location of the welding point, and the suction opening of the exhaust device, and the air mobility associated with the aerodynamic interaction of the supply and exhaust devices. The desire to reduce the productivity and energy consumption of exhaust devices usually leads to a change in their effect on the state of the air environment.

Therefore, along with the design features of the air extract, it is of great importance that the designs of the exhaust devices correspond to the nature of the welding work performed, as well as the space-planning solution for the mutual arrangement of welding posts and supply and exhaust devices, especially in the rooms with a limited volume.

The article is devoted to the analysis of the effect of these factors on the dust and gas environment of the electric welding stations, and the search for their rational combination by the method of computer modeling using the Ansys Fluent hydrodynamic package. To approximate the complex dependence of the carryover into the room, and the concentration in the breathing zone of harmful impurities on the main influencing factors, it is proposed to use a neural network of direct propagation. The architecture and results of testing a neural network model of one of the types of exhaust devices are presented.

References:
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DOI: 10.24000/0409-2961-2021-10-13-20
Year: 2021
Issue num: October
Keywords : computer simulatio electric arc welding ventilation efficiency neural network
Authors:
  • Shaptala V.V.
    Shaptala V.V.
    Cand. Sci. (Eng.), Assoc. Prof., ShaptalaVadim@yandex.ru Belgorod State Technological University named after V.G. Shukhov, Belgorod, Russia
  • Logachev K.I.
    Logachev K.I.
    Dr. Sci. (Eng.), Prof. Belgorod State Technological University named after V.G. Shukhov, Belgorod, Russia
  • Khukalenko E.E.
    Khukalenko E.E.
    Postgraduate Belgorod State Technological University named after V.G. Shukhov, Belgorod, Russia