The using of deep neural networks and natural mechanisms of acoustic wave propagation for extinguishing flames

A Review of Environmentally Friendly Approaches in Fire Extinguishing: From Chemical Sciences to Innovations in Electrical Engineering

“…This topic was again discussed in 2017 in Poland after obtaining a grant co-financed by the Ministry of Science and Higher Education from the “Innovation Incubator +” program (project no. 3 entitled “Non-invasive project of acoustic extinguisher using natural mechanisms of sound waves propagation to extinguish liquid fires in closed spaces”) [ 17 , 18 ]. Three patents and one small patent (utility model) can be identified as the results of this research [ 19 , 20 , 21 , 22 ].…”

“…In the vast majority of studies, liquid fuels were used for the generation of flames. It is noticeable that, apart from the studies conducted in Poland, there is practically no research on the possibility of extinguishing flames using gaseous fuel, e.g., [ 17 , 47 , 48 , 49 , 50 ]. There is a lack of experimental studies that contain information on the influence of the distance of the device output from the flame source, produced with gaseous fuel, on the extinguishing process.…”

“…This is due to the fact that the lower the frequency, the longer the wavelength. As the frequency increases, the power required to extinguish the flames increases (the extinguishing range is affected by the concentration of the acoustic beam) [ 17 ]. On the other hand, the use of higher frequency acoustic waves allows for a reduction in the size of the acoustic extinguisher.…”

“…The neural network is based on the MobileNet architecture, designed for mobile and embedded applications. The described technology was also presented in [ 17 ]. Many other libraries, such as Imutil [ 7 ], may be useful as an auxiliary tool for the implementation of neural networks for flame suppression.…”

“…The authors of [ 17 ] presented a method for extinguishing flames with a high-power acoustic extinguisher using modulated and unmodulated acoustic waves (the sound does not have to be loud; the important thing is that it is appropriately modulated). The extinguisher is equipped with a flame-detection module using artificial neural networks.…”