Multiphase Pressure Swirl Atomizers for Agricultural Applications
- 67 Downloads
In order to obtain abundant crops of satisfactory quality, it is necessary to apply liquid chemicals during agrotechnical procedures. It is important to target the treatment for a specific purpose and reduce the losses of applied chemicals. The aim of a precise protection technique is to provide the active substance in the proper place, in sufficient quantity and in the appropriate form. One of the approaches to modify the physicochemical properties of plant protection products is the addition of small amounts of polymers. The efficiency and safety of spraying process is determined by properly selected atomizers. In the agriculture section on spatial cultivation and vegetables, vortex atomizers are usually used in the spraying process. Two new constructions of two-phase atomizers with a swirl flow and the experimental results on the spraying of aqueous solutions of sodium carboxymethylcellulose with various concentrations were shown in this chapter. The obtained results were compared with the data obtained when spraying water. The addition of polymer allows to obtain a much larger number of droplets with large diameters and reduces the share of the smallest sized droplets. As the concentration of polymer increased, larger diameter droplets were obtained and the spray angle was reduced. The obtained results confirm the application possibility of the developed constructions in the agriculture area.
This research was supported by Ministry of Science and Higher Education through grant PUT 03/32/SBAD/0921.
- Eltkob, M.M., Rafat, N.M., Hanna, M.A.: The influence of swirl atomizer geometry on the atomization performance. In: Proceedings of the 1st International Conference on Liquid Atomization and Spray Systems, pp. 109–115 (1978)Google Scholar
- Grausz, T.W.: Chemia dla rolników poradnik BHP. Państwowa Inspekcja Pracy Główny Inspektorat Pracy, Warszawa (2015). in PolishGoogle Scholar
- Halder, M.R., Dash, S.H., Som, S.K.: A numerical and experimental investigation on the coefficients of discharge and the spray cone angle of a solid cone swirl nozzle. Int. J. Therm. Sci. 28, 297–305 (2004)Google Scholar
- Hermansky, C.G., Krause, G.F.: Relevant physical property measurement for adjuvants. In: Proceedings 4th International Conference, pp. 20–22 (1997)Google Scholar
- Lefebvre, A.H.: Atomization and Sprays. Hemisphere, New York (1989)Google Scholar
- Lefebvre, A.H.: Gas Turbine Combustion. CRC Press, Taylor and Francis, Philadelphia (1998)Google Scholar
- Li, J., Huang, Q., Liu, B.: A pest control model with birth pulse and residual and delay effects of pesticides. Adv. Differ. Equ. 117 (2019, in print)Google Scholar
- Ochowiak, M.: Analiza procesu rozpylania cieczy w rozpylaczach pęcherzykowych i pęcherzykowo- wirowych. Wydawnictwo Politechniki Poznańskiej, Poznań (2014). in PolishGoogle Scholar
- Ochowiak, M., Krupińska, A., Włodarczak, S., Matuszak, M., Szulc, T.: The studies of the two-phase flow for conical pressure-swirl atomizers. Chem. Eng. Equip. 56(6), 215–216 (2017)Google Scholar
- Ochowiak, M., Lytvynenko, O., Włodarczak, S., Matuszak, M., Krupińska, A.: Design and study of conical pressure-swirl atomizers. design, simulation, manufacturing: the innovation exchange In: DSMIE 2018: Advances in Design, Simulation and Manufacturing, pp. 472–480 (2018)Google Scholar
- Rozporządzenie Ministra Rolnictwa i Rozwoju Wsi z dnia 18 kwietnia 2013 r. w sprawie wymagań integrowanej ochrony roślin (Dz.U. z 2013 r. poz. 505). in PolishGoogle Scholar
- Włodarczak, S.: Analiza hydrodynamiki w rozpylaczach wirowych. Rozprawa doktorska, Poznań (2016). in PolishGoogle Scholar