Industrial natural ventilation
The engineering of natural ventilation is based on specific phenomena that can be controlled:
- Sizing of static aerators
- Ventilation shaft design
- Improved comfort
- Sizing of filtration systems
- Pollutant extraction
- Evacuation of water mists
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Design of natural ventilation in glassworks
In industrial facilities with large heat sources, such as glass and steel plants, natural ventilation uses the heat gains from the production process itself to create sufficient motive power.
Ventilation of a plant containing furnaces operating at the extremely high temperatures required for glass production is a major technical problem. Even the best insulated furnaces give off large amounts of heat inside the facility, resulting in very high heat gains to the indoor air.
Sizing of static natural ventilation aerators
We are studying the principle of the neutral pressure plane in order to optimize natural ventilation.
Automatic natural ventilation
Modern natural ventilation systems operate automatically on both the exhaust air vents and the air inlets of the dampers with air supply. Thus, this operation allows to maintain a specific temperature under the roof and to minimize the
pressure
of negative air on the first floor of the building. The principle of minimizing negative pressure requires a sufficiently large number of air inlets.
Optimization of operator comfort
Natural ventilation is often associated with the thermo-aerodynamic discomfort of the operators because it is rarely controlled.
Pollutant extraction
Monitoring indoor air quality
air quality
Indoor air quality monitoring is important for the health and safety of employees. Invisible pollutants such as carbon monoxide, fumes toxic to traffic. And other harmful chemicals can cause health problems. As well as lower organizational productivity.
CFD modeling is a tool versatile to solve engineering problems related to analysis of the propagation of various impurities and particles in the air. The CFD modeling allows to reproduce the air movement taking into account the heat and mass transfer, taking into account the transfer of gaseous impurities and their dispersion, as well as the transfer of mechanical particles in suspension.
