Published 12 issues per year
ISSN Print: 1044-5110
ISSN Online: 1936-2684
Indexed in
STUDY OF ATOMIZATION MECHANISM OF GAS/LIQUID MIXTURES FLOWING THROUGH Y-JET ATOMIZERS
ABSTRACT
The atomization mechanism of gas/liquid mixtures flowing through Y-jet atomizers has been studied by examining both the internal and external flow patterns. Air and water were used as the test fluids. Atomizers with transparent mixing ports were used to visualize the internal flow patterns, and the drop sizes were measured to examine the spraying performance. The liquid/gas momentum ratio was considered to be the appropriate parameter to describe both the internal flow and spray characteristics. A comprehensive physical model describing the atomization process is proposed; the process consists of "direct collision," "drop entrainment/deposition," and "liquid film disintegration." The validity of the model is also checked with the drop size distribution data. It is confirmed that the trend of the circumferential film thickness variation within the mixing port coincides with variation of the spatial distribution of spray drops.
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Zaremba Matouš, Mlkvik Marek, Malý Milan, Jedelský Jan, Jícha Miroslav, Dančová Petra, Vít Tomáš, Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers, EPJ Web of Conferences, 92, 2015. Crossref
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Mkvik Marek, Smolár Marek, Olšiak Róbert, Numerical investigation of the twin-fluid atomizers internal flows, 1768, 2016. Crossref
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Zaremba Matouš, Weiß Lukas, Malý Milan, Wensing Michael, Jedelský Jan, Jícha Miroslav, Low-pressure twin-fluid atomization: Effect of mixing process on spray formation, International Journal of Multiphase Flow, 89, 2017. Crossref
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Mlkvik Marek, Zaremba Matous, Jedelsky Jan, Jicha Miroslav, Dančová P., Veselý M., Comparison of Y-jet and OIL effervescent atomizers based on internal and external two-phase flow characteristics, EPJ Web of Conferences, 114, 2016. Crossref
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Wozniak Günter, Literatur, in Zerstäubungstechnik, 2003. Crossref
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Pacifico Antonio L., Yanagihara Jurandir I., The influence of geometrical and operational parameters on Y-jet atomizers performance, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 36, 1, 2014. Crossref
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Chumpitaz German R. A., Coronado Christian J. R., Carvalho João A., Andrade José C., Mendiburu Andrés Z., Pinto Gabriel M., de Souza Túlio A., Design and study of a pure tire pyrolysis oil (TPO) and blended with Brazilian diesel using Y-Jet atomizer, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 41, 3, 2019. Crossref
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Mlkvik Marek, Jedelsky Jan, Karbstein Heike P., Gaukel Volker, Spraying of Viscous Liquids: Influence of Fluid-Mixing Mechanism on the Performance of Internal-Mixing Twin-Fluid Atomizers, Applied Sciences, 10, 15, 2020. Crossref
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Lee Sang Ji, Kim Ji Yeop, Hong Jung Goo, Effects of Y-Jet Nozzle Mixing Chamber Length and the GLR on Spatial Asymmetric Spray, ACS Omega, 6, 26, 2021. Crossref
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Hammad Farid A., Sun Kai, Che Zhizhao, Jedelsky Jan, Wang Tianyou, Internal two-phase flow and spray characteristics of outside-in-liquid twin-fluid atomizers, Applied Thermal Engineering, 187, 2021. Crossref
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Nazeer Y. H., Ehmann M., Sami M., Gavaises M., Atomization Mechanism of Internally Mixing Twin-Fluid Y-Jet Atomizer, Journal of Energy Engineering, 147, 1, 2021. Crossref
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Mlkvik M., Stähle P., Schuchmann H.P., Gaukel V., Jedelsky J., Jicha M., Twin-fluid atomization of viscous liquids: The effect of atomizer construction on breakup process, spray stability and droplet size, International Journal of Multiphase Flow, 77, 2015. Crossref
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Xing Wenjing, Sato K. , Nishida Keiya , Ogata Youichi , Hashiguchi K. , ELUCIDATION OF INTERNAL FLOW AND ITS EFFECT ON THE JET OF A TWIN-FLUID ATOMIZER FOR GAS TURBINE CROSSFLOW COMBUSTORS , Atomization and Sprays, 33, 1, 2023. Crossref