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The aim of this article is to the validate the results of an experimental study of heat transfer processes in a two-phase thermosyphon type air heater using numerical modelling tools. The analysis in this paper are for an air heater, which is used for heat extraction from flue gases of a boiler and the heating of the fresh air. The numerical survey refers to a thermosyphon tube inclined at 10° by...
Outbreak of fire in isolated places is always related to the emission of harmful substances, increasing the air temperature and decreasing the level of oxygen. These parameters of the environment are very dangerous to occupants. This current work is carried out using numerical solutions of the distribution of smoke and hazards in confined and large spaces with and without operation at ventilation...
The power output of photovoltaic modules operating under certain field conditions decreases over the time. The photovoltaic module degradation factor depends not only by the physical properties of the material but also by the change of parameters of the environment where the PV panels operate. The change of the PV modules degradation factor over the time reflects on the power output which is in a...
The energy produced by the PV panels depends generally on several parameters - local weather data (solar intensity, amount of impurities in the air (Linke Turbidity Factor), temperature, wind speed and etc.), type and orientation of the PV panel.
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