Abstract
The requirements concerning the development of the high-performance fuel combustion equipment with a low environmental impact and high flexibility have significantly increased. Therefore, a sophisticated analysis is needed for obtaining the data for designing the afterburning installation. There are few experimental and literature data on a rotary cup atomizer, but they do not allow to get criteria equations and primarily to determine the average droplet size. The research is aimed at investigating of atomization characteristics of rotary cup atomizer. Experimental studies of atomization characteristics were carried out on the experimental setup with atomized liquid of fuel oil, water, and water-fuel emulsions. For determining the droplet diameter of atomized liquid, the method of collecting droplets on glass slides coated with a layer of viscous liquid, in which the droplets of atomized liquid do not dissolve, was used. The uneven distribution of atomized liquid around the axis of atomizer was measured using a sector collector. The dependence of the effect of over the cross-section of atomizer cup on the average droplet diameter of atomized fuel, the coefficient of uneven distribution of atomized liquid around the axis of the atomizer, the atomizer root angle on air pressure and atomizer speed have been investigated by using the experimental data. Based on the experimental and theoretical data, a nozzle with atomizer diameter dp = 25 mm was selected, which satisfactorily atomizes the fuel at a flow rate of 1–3 kg/h and provides the required diameter of emulsion droplets.
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Kornienko, V., Radchenko, R., Konovalov, D., Andreev, A., Pyrysunko, M. (2020). Characteristics of the Rotary Cup Atomizer Used as Afterburning Installation in Exhaust Gas Boiler Flue. In: Ivanov, V., Pavlenko, I., Liaposhchenko, O., Machado, J., Edl, M. (eds) Advances in Design, Simulation and Manufacturing III. DSMIE 2020. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-50491-5_29
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