Publicado 12 números por año
ISSN Imprimir: 1044-5110
ISSN En Línea: 1936-2684
Indexed in
ELECTRICAL PERFORMANCE OF CHARGE INJECTION ELECTROSTATIC ATOMIZERS
SINOPSIS
The parametric evaluation of the variables that define the operation of a charge injection electrostatic atomizer is described in terms of the electrical performance. Here atomizer performance for smaller orifice diameters and more viscous liquids than previously investigated is presented. The response of the injected current as a function of atomizer geometry, coupled to an analysis of the empirical charge injection laws, is used to relate the electrohydrodynamics with more well-established studies in quiescent liquid. Evaluation of spray and leakage current to injection current ratios are also used to determine the electrical efficiency with a view to locating the optimum operating conditions as a function of atomizer geometry and applied bulk flow. The optimum electrode-to-orifice diameter ratio in previous work is confirmed, and the relationship between the spray specific charge and the maximum electric field on jet surface at a critical point of operation is extended to charge injection atomizers of small orifice diameter.
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Malkawi G., Yarin A. L., Mashayek F., Breakup mechanisms of electrostatic atomization of corn oil and diesel fuel, Journal of Applied Physics, 108, 6, 2010. Crossref
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Rigit A. R. H., Shrimpton John S., Estimation of the diameter–charge distribution in polydisperse electrically charged sprays of electrically insulating liquids, Experiments in Fluids, 46, 6, 2009. Crossref
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Kourmatzis A., Shrimpton J.S., Electrical and transient atomization characteristics of a pulsed charge injection atomizer using electrically insulating liquids, Journal of Electrostatics, 69, 3, 2011. Crossref
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Kourmatzis Agissilaos, Ergene Egemen L., Shrimpton John S., Kyritsis Dimitrios C., Mashayek Farzad, Huo Ming, Combined aerodynamic and electrostatic atomization of dielectric liquid jets, Experiments in Fluids, 53, 1, 2012. Crossref
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Kourmatzis A., Shrimpton J.S., Design and charge injection characteristics of an electrostatic dielectric liquid pulsed atomizer, Journal of Electrostatics, 70, 3, 2012. Crossref
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Kourmatzis A., Shrimpton J. S., Electrohydrodynamic inter-electrode flow and liquid jet characteristics in charge injection atomizers, Experiments in Fluids, 55, 3, 2014. Crossref
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Patel Manoj Kumar, Technological improvements in electrostatic spraying and its impact to agriculture during the last decade and future research perspectives – A review, Engineering in Agriculture, Environment and Food, 9, 1, 2016. Crossref
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Shrimpton John, Kourmatzis Agissilaos, Direct numerical simulation of forced flow dielectric EHD within charge injection atomizers, IEEE Transactions on Dielectrics and Electrical Insulation, 17, 6, 2010. Crossref
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Ergene E.L., Malkawi G., Mashayek F., Shrimpton J.S., Charge injection with multiple blade-plane configurations in a quiescent dielectric liquid, IEEE Transactions on Dielectrics and Electrical Insulation, 17, 6, 2010. Crossref
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Shrimpton John, Mashayek Farzad, Electrostatic Atomization and Combustion of Electrically Insulating Liquids, 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition, 2009. Crossref
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Wang Zhen-Tao, Mitrašinović Aleksandar, Wen John, Investigation on Electrostatical Breakup of Bio-Oil Droplets, Energies, 5, 11, 2012. Crossref
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Vesely P.W., Schick R.J., Shrimpton J.S., Mashayek F., Energy efficient primary atomization of viscous food oils using an electrostatic method, Journal of Food Engineering, 237, 2018. Crossref
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Li Shengji, Zhuo Zhu, He Lanjiao, Huang Xuefeng, Atomization characteristics of nano-Al/ethanol nanofluid fuel in electrostatic field, Fuel, 236, 2019. Crossref
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Ahmed T., Kourmatzis A., Pham P.X., Masri A.R., Droplet evaporation modeling of electrified fatty acid methyl esters, Fuel, 231, 2018. Crossref
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Zhuo Zhu, Li Shengji, Lu Yibin, Huang Xuefeng, Synergetic effects of nanoparticle concentration and electrification on the breakup performance of nanofluid fuel, International Journal of Heat and Mass Transfer, 137, 2019. Crossref
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Ahmed Tushar, Kourmatzis Agisilaos, Masri Assaad R., Atomization behaviour of a hybrid air-blast-electrostatic atomizer for spray combustion, Fuel, 288, 2021. Crossref
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Lu Heng, Li Shengji, Du Hongzhe, Lu Yibin, Huang Xuefeng, Secondary Breakup Characteristics and Mechanism of Single Electrified Al/N-Decane Nanofluid Fuel Droplet in Electrostatic Field, Applied Sciences, 10, 15, 2020. Crossref
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Kashir Babak, Perri Anthony E., Yarin Alexander L., Mashayek Farzad, Slow Discharge Theory and Calculation of the Potential Drop across the Compact Layer at High Electrode Voltages, Langmuir, 35, 45, 2019. Crossref
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Li Shengji, Du Hongzhe, Zhuo Zhu, Lu Yibin, Huang Xuefeng, Dispersion Stability, Physical Properties, and Electrostatic Breakup of Surfactant-Loaded Aluminum/n-Decane Nanofluid Fuel: Nanoparticle Size Effect, Energy & Fuels, 34, 1, 2020. Crossref
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Huang Xuefeng, Sheng Ling, Lu Yibin, Li Shengji, Atomization Characteristics of Hydrogen Peroxide Solutions in Electrostatic Field, Micromachines, 13, 5, 2022. Crossref
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Kourmatzis A., Sensitivities in the Modeling of Electrostatically Charged Droplet Evaporation and Combustion, Journal of Energy Engineering, 143, 3, 2017. Crossref