Trajectory and penetration of elliptical liquid jets emerged into a low-speed crossflow of air are studied. The jets are introduced to the crossflow at different momentum ratios ranging from 1 to 300. The images are analyzed to obtain the trajectories of the outer boundary of the jets for two different aspect ratios. An empirical correlation is proposed for the present injector geometries and for the range of momentum ratio, Weber, and Reynolds numbers used in this study. Finally, a theoretical model for the trajectory of the liquid column for an initially elliptical liquid emerging into a crossflow is presented, and the associated drag coefficients are obtained for a precise trajectory prediction.
Penetration of Elliptical Liquid Jets in Low-Speed Crossflow
Sharif University of Technology,
Tehran 1458889694, Iran
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received November 7, 2017; final manuscript received May 17, 2018; published online June 27, 2018. Assoc. Editor: Jun Chen.
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Morad, M. R., and Khosrobeygi, H. (June 27, 2018). "Penetration of Elliptical Liquid Jets in Low-Speed Crossflow." ASME. J. Fluids Eng. January 2019; 141(1): 011301. https://doi.org/10.1115/1.4040373
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