NUMERICAL SIMULATION OF THE LIQUID JET BREAKUP FOR ELLIPTICAL ORIFICES WITH DIFFERENT ASPECT RATIOS

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MORAD MOHAMMAD REZA; NASIRI MOHAMMAD MAHDI

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:9 Page(s): 341-352

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Title

NUMERICAL SIMULATION OF THE LIQUID JET BREAKUP FOR ELLIPTICAL ORIFICES WITH DIFFERENT ASPECT RATIOS

Author(s)

MORAD MOHAMMAD REZA | NASIRI MOHAMMAD MAHDI | Issue Writer Certificate

Keywords

LIQUID JET BREAKUPQ2

BREAKUP LENGTHQ2

ELLIPTIC ORIFICESQ2

AXIS-SWITCHING PHENOMENAQ1

NUMERICAL ANALYSISQ2

Abstract

In this research, a numerical simulation of liquid jet ejecting from elliptical orifices into gaseous phase with different aspect ratios at Rayleigh regime is performed. The volume of fluid (VOF) method and large eddy simulation are used to simulate the liquid interface dynamics and the jet breakup utilizing the Open Foam software. In order to simulate the axis-switching phenomenon and jet BREAKUP LENGTH, the dynamic mesh refinement is used for all the examined cases. The results, which are validated with recent experimental and numerical works, indicate that the jet BREAKUP LENGTH increases by raising the Weber number from 20 to about 300. Also, it is shown that the jet BREAKUP LENGTH decreases as the aspect ratio of orifices declines from 0.66 to 0.25. Finally, it is observed that for the orifices with lower aspect ratios, jet breaks into droplets with uniform sizes with almost no satellite droplets which always present in the circular jet breakup.

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APA: Copy

MORAD, MOHAMMAD REZA, & NASIRI, MOHAMMAD MAHDI. (2015). NUMERICAL SIMULATION OF THE LIQUID JET BREAKUP FOR ELLIPTICAL ORIFICES WITH DIFFERENT ASPECT RATIOS. MODARES MECHANICAL ENGINEERING, 15(9), 341-352. SID. https://sid.ir/paper/179011/en

Vancouver: Copy

MORAD MOHAMMAD REZA, NASIRI MOHAMMAD MAHDI. NUMERICAL SIMULATION OF THE LIQUID JET BREAKUP FOR ELLIPTICAL ORIFICES WITH DIFFERENT ASPECT RATIOS. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(9):341-352. Available from: https://sid.ir/paper/179011/en

IEEE: Copy

MOHAMMAD REZA MORAD, and MOHAMMAD MAHDI NASIRI, “NUMERICAL SIMULATION OF THE LIQUID JET BREAKUP FOR ELLIPTICAL ORIFICES WITH DIFFERENT ASPECT RATIOS,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 9, pp. 341–352, 2015, [Online]. Available: https://sid.ir/paper/179011/en

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